From f07bb0896e4d0190b7ea3dd985c80c240c236203 Mon Sep 17 00:00:00 2001
From: Automated Update <automated@mitre.org>
Date: Thu, 12 Oct 2023 00:04:05 +0000
Subject: [PATCH] Update Benchmarks

---
 ...ndroid_13_BYOAD_STIG_V1R1_Manual-xccdf.xml |  603 ++
 ..._PP_3-3_BYOAD_STIG_V1R0-1_Manual-xccdf.xml |  121 +
 .../DISA/U_RHEL_9_STIG_V1R1_Manual-xccdf.xml  | 7018 +++++++++++++++++
 stigs.json                                    |   28 +-
 4 files changed, 7763 insertions(+), 7 deletions(-)
 create mode 100644 benchmarks/DISA/U_Google_Android_13_BYOAD_STIG_V1R1_Manual-xccdf.xml
 create mode 100644 benchmarks/DISA/U_Google_Android_13_MDF_PP_3-3_BYOAD_STIG_V1R0-1_Manual-xccdf.xml
 create mode 100644 benchmarks/DISA/U_RHEL_9_STIG_V1R1_Manual-xccdf.xml

diff --git a/benchmarks/DISA/U_Google_Android_13_BYOAD_STIG_V1R1_Manual-xccdf.xml b/benchmarks/DISA/U_Google_Android_13_BYOAD_STIG_V1R1_Manual-xccdf.xml
new file mode 100644
index 000000000..090cd5df3
--- /dev/null
+++ b/benchmarks/DISA/U_Google_Android_13_BYOAD_STIG_V1R1_Manual-xccdf.xml
@@ -0,0 +1,603 @@
+<?xml version="1.0" encoding="utf-8"?><?xml-stylesheet type='text/xsl' href='STIG_unclass.xsl'?><Benchmark xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cpe="http://cpe.mitre.org/language/2.0" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="http://checklists.nist.gov/xccdf/1.1 http://nvd.nist.gov/schema/xccdf-1.1.4.xsd http://cpe.mitre.org/dictionary/2.0 http://cpe.mitre.org/files/cpe-dictionary_2.1.xsd" id="Google_Android_13_BYOAD_STIG" xml:lang="en" xmlns="http://checklists.nist.gov/xccdf/1.1"><status date="2023-09-19">accepted</status><title>Google Android 13 BYOAD Security Technical Implementation Guide</title><description>This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.</description><notice id="terms-of-use" xml:lang="en"></notice><front-matter xml:lang="en"></front-matter><rear-matter xml:lang="en"></rear-matter><reference href="https://cyber.mil"><dc:publisher>DISA</dc:publisher><dc:source>STIG.DOD.MIL</dc:source></reference><plain-text id="release-info">Release: 1 Benchmark Date: 04 Oct 2023</plain-text><plain-text id="generator">3.4.1.22916</plain-text><plain-text id="conventionsVersion">1.10.0</plain-text><version>1</version><Profile id="MAC-1_Classified"><title>I - Mission Critical Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-1_Public"><title>I - Mission Critical Public</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-1_Sensitive"><title>I - Mission Critical Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-2_Classified"><title>II - Mission Support Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-2_Public"><title>II - Mission Support Public</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-2_Sensitive"><title>II - Mission Support Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-3_Classified"><title>III - Administrative Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-3_Public"><title>III - Administrative Public</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Profile id="MAC-3_Sensitive"><title>III - Administrative Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258475" selected="true" /><select idref="V-258476" selected="true" /><select idref="V-258477" selected="true" /><select idref="V-258478" selected="true" /><select idref="V-258479" selected="true" /><select idref="V-258480" selected="true" /><select idref="V-258481" selected="true" /><select idref="V-258482" selected="true" /><select idref="V-258483" selected="true" /><select idref="V-258484" selected="true" /><select idref="V-258485" selected="true" /><select idref="V-258486" selected="true" /><select idref="V-258487" selected="true" /><select idref="V-258488" selected="true" /><select idref="V-258489" selected="true" /><select idref="V-258490" selected="true" /><select idref="V-258491" selected="true" /><select idref="V-258492" selected="true" /><select idref="V-258493" selected="true" /><select idref="V-258494" selected="true" /><select idref="V-258495" selected="true" /><select idref="V-258496" selected="true" /><select idref="V-258497" selected="true" /></Profile><Group id="V-258475"><title>PP-MDF-331090</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258475r929241_rule" weight="10.0" severity="low"><version>GOOG-13-701100</version><title>Google Android 13 must prohibit DOD VPN profiles in the Personal Profile.</title><description>&lt;VulnDiscussion&gt;If DOD VPN profiles are configured in the Personal Profile DOD sensitive data world be at risk of compromise and the DOD network could be at risk of being attacked by malware installed on the device.
+
+SFR ID: FMT_SMF_EXT.1.1 #3&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000370</ident><fixtext fixref="F-62124r929240_fix">Do not configure DOD VPN profiles in the Personal Profile.</fixtext><fix id="F-62124r929240_fix" /><check system="C-62215r929239_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the list of VPN profiles in the Personal Profile and determine if any VPN profiles are listed. If so, verify the VPN profiles are not configured with a DOD network VPN profile. 
+
+This validation procedure is performed on the iOS device only.
+
+On the iPhone and iPad:
+1. Open the Settings app.
+2. Tap "Network &amp; internet".
+3. Tap "VPN" and determine if any VPN profiles exist.
+4. If not, the requirement has been met.
+5. If there are VPN profiles, open each VPN profile.
+6. Verify no DOD network VPN profiles are listed.
+
+If any VPN profiles are installed in the Personal Profile and they have a DOD network VPN profile configured, this is a finding.
+
+Note: This setting cannot be managed by the MDM administrator and is a User-Based Enforcement (UBE) requirement.</check-content></check></Rule></Group><Group id="V-258476"><title>PP-MDF-333024</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258476r929244_rule" weight="10.0" severity="medium"><version>GOOG-13-706000</version><title>Google Android 13 must be configured to enforce a minimum password length of six characters and not allow passwords that include more than four repeating or sequential characters.</title><description>&lt;VulnDiscussion&gt;Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. The ability to crack a password is a function of how many attempts an adversary is permitted, how quickly an adversary can do each attempt, and the size of the password space. The longer the minimum length of the password is, the larger the password space. Having a too-short minimum password length significantly reduces password strength, increasing the chance of password compromise and resulting device and data compromise.
+
+Satisfies: PP-MDF-333024, PP-MDF-333025
+
+SFR ID: FMT_SMF_EXT.1.1 #1a&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000205</ident><fixtext fixref="F-62125r929243_fix">Configure the Google Android 13 device to enforce high password quality for the device and standard DOD password complexity rules for the Work Profile (at least six-character length and prevent passwords from containing more than four repeating or sequential characters). In addition, enable OneLock so the user only must enter their device password to unlock the Work Profile. Note: enabling OneLock is optional and is a two-step process: configuration on the EMM and configuration by the user on the phone. If OneLock is not used, the user will always need to enter separate passwords to unlock the device and to unlock the Work Profile.
+
+1. Set the password on the whole device:
+Set device password complexity to "HIGH" (requires (at minimum) an eight numeric character password, or six alphabetic character password, or a six alphanumeric character password)
+
+On the EMM console:
+a. Open "Lock screen" settings.
+b. Open "Set required password complexity on parent".
+c. Select "High".
+
+2. Set DOD password for the Work Profile.
+
+On the EMM console:
+a. Open "Lock screen" settings.
+b. Open "Password constraints".
+c. Open "Minimum password quality".
+d. Choose Numeric Complex, Alphabetic, Alphanumeric, or Complex.
+e. Open "Minimum password length".
+f. Enter in the number of characters as "6".
+
+3. Enable OneLock on the EMM.
+
+On the MDM console:
+a. Disable the following Android API: "DISALLOW_UNIFIED_PASSWORD". The exact procedure will depend on the EMM product.
+Note: this control may be called "Require separate challenge".
+
+4. Train users to implement OneLock with the following User Based Enforcement (UBE): procedure:
+
+a. Open Settings &gt;&gt; Security &amp; privacy &gt;&gt; More security settings.
+b. Enable "Use one lock".</fixtext><fix id="F-62125r929243_fix" /><check system="C-62216r929242_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the mobile device is enforcing a high password quality for the device and standard DOD password complexity rules for the Work Profile (at least six-character length and prevent passwords from containing more than four repeating or sequential characters).
+
+1. Verify the device password configuration:
+
+On the EMM console:
+a. Open "Lock screen" settings.
+b. Open "Set required password complexity on parent".
+c. Verify "High" is selected.
+
+2. Verify the Work Profile password configuration:
+
+On the EMM console (for the work profile):
+1. Open "Lock screen" settings.
+2. Open "Password constraints".
+3. Open "Minimum password quality".
+4. Verify Numeric Complex, Alphabetic, Alphanumeric, or Complex is selected.
+5. Open "Minimum password length".
+6. Verify "6" is set for number of characters.
+
+If the device password quality is not set to High or the Work Profile password length is not set to six characters or the password quality is not set as required, this is a finding.
+
+Note: verifying the OneLock configuration is not required because the use of OneLock is optional.</check-content></check></Rule></Group><Group id="V-258477"><title>PP-MDF-333026</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258477r929247_rule" weight="10.0" severity="medium"><version>GOOG-13-706200</version><title>Google Android 13 must be configured to enable a screen-lock policy that will lock the display after a period of inactivity.</title><description>&lt;VulnDiscussion&gt;The screen-lock timeout helps protect the device from unauthorized access. Devices without a screen-lock timeout provide an opportunity for adversaries who gain physical access to the mobile device through loss, theft, etc. Such devices are much more likely to be in an unlocked state when acquired by an adversary, thus granting immediate access to the data on the mobile device and possibly access to DOD networks.
+
+SFR ID: FMT_SMF_EXT.1.1 #2a&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><fixtext fixref="F-62126r929246_fix">Configure the Google Android 13 device to enable a screen-lock policy that will lock the display after a period of inactivity.
+
+On the EMM console:
+
+1. Open "Lock screen" settings.
+2. Open "Lock screen restrictions".
+3. Set "Max time to screen lock" to any number desired.
+Note: The units are in seconds.</fixtext><fix id="F-62126r929246_fix" /><check system="C-62217r929245_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the mobile device is enforcing a screen-lock policy that will lock the display after a period of inactivity.
+
+This validation procedure is performed on both the EMM Administration Console and the managed Google Android 13 device. 
+
+On the EMM console:
+
+1. Open "Lock screen" settings.
+2. Open "Lock screen restrictions".
+3. Verify that "Max time to screen lock" is set to any number desired, the units are in seconds.
+
+On the managed Google Android 13 device:
+
+1. Open Settings &gt;&gt; Display.
+2. Tap "Screen timeout".
+3. Ensure the Screen timeout value is set to the desired value and cannot be set to a larger value.
+
+If the EMM console device policy is not set to enable a screen-lock policy that will lock the display after a period of inactivity, this is a finding.</check-content></check></Rule></Group><Group id="V-258478"><title>PP-MDF-333030</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258478r929250_rule" weight="10.0" severity="medium"><version>GOOG-13-706300</version><title>Google Android 13 must be configured to lock the display after 15 minutes (or less) of inactivity.</title><description>&lt;VulnDiscussion&gt;The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long timeout would increase the window of opportunity for adversaries who gain physical access to the mobile device through loss, theft, etc. Such devices are much more likely to be in an unlocked state when acquired by an adversary, thus granting immediate access to the data on the mobile device. The maximum timeout period of 15 minutes has been selected to balance functionality and security; shorter timeout periods may be appropriate depending on the risks posed to the mobile device.
+
+SFR ID: FMT_SMF_EXT.1.1 #2b&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><fixtext fixref="F-62127r929249_fix">Configure the Google Android 13 device to enable a screen-lock policy of 15 minutes for the max period of inactivity.
+
+Note: Google Android 13 does not support the 15 minute increment. The available allowable selection is 10 minutes, then increases to 30 minutes. Therefore, the control will be set to 10 minutes.
+
+On the EMM console:
+
+1. Open "Lock screen restrictions".
+2. Set "Max time to screen lock" to "600".
+Note: The units are in seconds.</fixtext><fix id="F-62127r929249_fix" /><check system="C-62218r929248_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android device configuration settings to determine if the mobile device is enforcing a screen-lock policy that will lock the display after a period of 15 minutes or less of inactivity.
+
+Note: Google Android 13 does not support the 15-minute increment. The available allowable selection is 10 minutes, then increases to 30 minutes. Therefore, the control should be set to 10 minutes.
+
+This validation procedure is performed on both the EMM Administration Console and the Android 13 device.
+
+On the EMM console:
+
+1. Open "Lock screen restrictions".
+2. Verify that "Max time to screen lock" is set to "600".
+Note: The units are in seconds.
+
+On the managed Google Android 13 device:
+
+1. Open Settings &gt;&gt; Display.
+2. Tap "Screen timeout".
+3. Ensure the Screen timeout value is set to "600" seconds or less.
+
+If the EMM console device policy is not set to enable a screen-lock policy that will lock the display after a period of inactivity of 600 seconds or less, this is a finding.</check-content></check></Rule></Group><Group id="V-258479"><title>PP-MDF-333040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258479r929253_rule" weight="10.0" severity="medium"><version>GOOG-13-706400</version><title>Google Android 13 must be configured to not allow more than 10 consecutive failed authentication attempts.</title><description>&lt;VulnDiscussion&gt;The more attempts an adversary makes to guess a password, the more likely the adversary will enter the correct password and gain access to resources on the device. Setting a limit on the number of attempts mitigates this risk. Setting the limit at 10 or less gives authorized users the ability to make a few mistakes when entering the password but still provides adequate protection against dictionary or brute force attacks on the password.
+
+SFR ID: FMT_SMF_EXT.1.1 #2c, FIA_AFL_EXT.1.5&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><fixtext fixref="F-62128r929252_fix">Configure the Google Android 13 device to allow only 10 or fewer consecutive failed authentication attempts.
+
+Note: Work Profile will be wiped.
+
+On the EMM console:
+
+1. Open "Lock screen" settings.
+2. Open "Lock screen restrictions".
+3. Set "Max password failures for local wipe" to a number between 1 and 10.</fixtext><fix id="F-62128r929252_fix" /><check system="C-62219r929251_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the work profile has the maximum number of consecutive failed authentication attempts set at 10 or fewer.
+
+This validation procedure is performed on both the EMM Administration Console and the managed Google Android 13 device.
+
+On the EMM console:
+
+1. Open "Lock screen" settings.
+2. Open "Lock screen restrictions".
+3. Verify that "Max password failures for local wipe" is set to a number between 1 and 10.
+
+On the managed Google Android 13 device:
+
+1. Lock the device screen.
+2. Attempt to unlock the device and validate that the device autowipes the Work Profile after specified number of invalid entries. Note: Perform this verification only with a test phone set up with a production profile.
+3. Attempt to unlock the Work Profile and validate that the device autowipes the Work Profile after specified number of invalid entries. Note: Perform this verification only with a test phone set up with a production profile.
+
+If the EMM console device policy is not set to the maximum number of consecutive failed authentication attempts at 10 or fewer, or if on the managed Google Android 13 device the device policy is not set to the maximum number of consecutive failed authentication attempts at 10 or fewer, this is a finding.</check-content></check></Rule></Group><Group id="V-258480"><title>PP-MDF-333050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258480r929256_rule" weight="10.0" severity="medium"><version>GOOG-13-706500</version><title>Google Android 13 must be configured to enforce an application installation policy by specifying one or more authorized application repositories.</title><description>&lt;VulnDiscussion&gt;Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious applications from being installed and executed on mobile devices. Allowing such installations and executions could cause a compromise of DOD data accessible by these unauthorized/malicious applications.
+
+SFR ID: FMT_SMF_EXT.1.1 #8a&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62129r929255_fix">Configure the Google Android 13 device to disable unauthorized application repositories.
+
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Toggle "Disallow install unknown sources" to "ON".
+3. Toggle "Disallow installs from unknown sources globally" to "ON".</fixtext><fix id="F-62129r929255_fix" /><check system="C-62220r929254_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the mobile device has only approved application repositories.
+
+This validation procedure is performed on both the EMM Administration Console and the managed Google Android 13 device.
+
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Verify that "Disallow install unknown sources" is toggled to "ON".
+3. Verify that "Disallow installs from unknown sources globally" is toggled to "ON".
+
+On the Google Android 13 device:
+
+1. Open Settings &gt;&gt; Apps &gt;&gt; Special app access.
+2. Open Install unknown apps.
+3. Ensure the list of apps is blank or if an app is on the list, "Disabled" is listed under the app name.
+
+If the EMM console device policy is not set to allow connections to only approved application repositories or on the managed Google Android 13 device, the device policy is not set to allow connections to only approved application repositories, this is a finding.</check-content></check></Rule></Group><Group id="V-258481"><title>PP-MDF-333060</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258481r929259_rule" weight="10.0" severity="medium"><version>GOOG-13-706600</version><title>Google Android 13 must be configured to enforce an application installation policy by specifying an application allowlist that restricts applications by the following characteristics: [selection: list of digital signatures, cryptographic hash values, names, application version].</title><description>&lt;VulnDiscussion&gt;The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core and preinstalled applications, or the MD must provide an alternate method of restricting user access/execution to core and preinstalled applications.
+
+Core application: Any application integrated into the OS by the OS or MD vendors.
+
+Preinstalled application: Additional noncore applications included in the OS build by the OS vendor, MD vendor, or wireless carrier.
+
+Requiring all authorized applications to be in an application allowlist prevents the execution of any applications (e.g., unauthorized, malicious) that are not part of the allowlist. Failure to configure an application allowlist properly could allow unauthorized and malicious applications to be downloaded, installed, and executed on the mobile device, causing a compromise of DOD data accessible by these applications.
+
+The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core applications (included in the OS by the OS vendor) and preinstalled applications (provided by the MD vendor and wireless carrier), or the MD must provide an alternate method of restricting user access/execution to core and preinstalled applications.
+
+SFR ID: FMT_SMF_EXT.1.1 #8b&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-62130r929258_fix">Configure the Google Android 13 device to use an application allowlist.
+
+On the EMM console:
+
+1. Go to the Android app catalog for managed Google Play.
+2. Select apps to be available (only approved apps).
+3. Push updated policy to the device.
+
+Note: Managed Google Play is an allowed App Store.</fixtext><fix id="F-62130r929258_fix" /><check system="C-62221r929257_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the mobile device has an application allowlist configured. Verify all applications listed on the allowlist have been approved by the Approving Official (AO).
+
+On the EMM console:
+
+1. Go to the Android app catalog for managed Google Play.
+2. Verify all selected apps are AO approved.
+
+On the managed Google Android 13 device:
+
+1. Open the managed Google Play Store.
+2. Verify that only the approved apps are visible.
+
+Note: Managed Google Play is an allowed App Store.
+
+If the EMM console list of selected managed Google Play apps includes nonapproved apps, this is a finding.
+
+Note: The application allowlist will only include approved core applications (included in the OS by the OS vendor) and pre-installed applications (provided by the MD vendor and wireless carrier), or the MD must provide an alternate method of restricting user access/execution to core and pre-installed applications. For Google Android, there are no pre-installed applications.</check-content></check></Rule></Group><Group id="V-258482"><title>PP-MDF-333070</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258482r929262_rule" weight="10.0" severity="medium"><version>GOOG-13-706700</version><title>Google Android 13 allowlist must be configured to not include applications with the following characteristics (work profile only):
+
+1. Back up mobile device (MD) data to non-DOD cloud servers (including user and application access to cloud backup services);
+2. Transmit MD diagnostic data to non-DOD servers;
+3. Voice assistant application if available when MD is locked;
+4. Voice dialing application if available when MD is locked;
+5. Allows synchronization of data or applications between devices associated with user; and
+6. Allows unencrypted (or encrypted but not FIPS 140-2 validated) data sharing with other MDs or printers.</title><description>&lt;VulnDiscussion&gt;Requiring all authorized applications to be in an application allowlist prevents the execution of any applications (e.g., unauthorized, malicious) that are not part of the allowlist. Failure to configure an application allowlist properly could allow unauthorized and malicious applications to be downloaded, installed, and executed on the mobile device, causing a compromise of DOD data accessible by these applications. Applications with the listed characteristics have features that can cause the compromise of sensitive DOD data or have features with no known application in the DOD environment.
+
+Application Note: The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core and preinstalled applications, or the MD must provide an alternate method of restricting user access/execution to core and preinstalled applications.
+
+Core application: Any application integrated into the OS by the OS or MD vendors.
+
+Preinstalled application: Additional noncore applications included in the OS build by the OS vendor, MD vendor, or wireless carrier.
+
+SFR ID: FMT_SMF_EXT.1.1 #8b&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62131r929261_fix">Configure the Google Android 13 device application allowlist to exclude applications with the following characteristics:
+
+- Back up MD data to non-DOD cloud servers (including user and application access to cloud backup services);
+- Transmit MD diagnostic data to non-DOD servers;
+- Voice assistant application if available when MD is locked;
+- Voice dialing application if available when MD is locked;
+- Allows synchronization of data or applications between devices associated with user;
+- Payment processing; and
+- Allows unencrypted (or encrypted but not FIPS 140-2 validated) data sharing with other MDs, display screens (screen mirroring), or printers.
+
+On the EMM console:
+
+1. Go to the Android app catalog for managed Google Play.
+2. Before selecting an app, review the app details and privacy policy to ensure the app does not include prohibited characteristics.</fixtext><fix id="F-62131r929261_fix" /><check system="C-62222r929260_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the mobile device has an application allowlist configured and that the application allowlist does not include applications with the following characteristics:
+
+- Back up MD data to non-DOD cloud servers (including user and application access to cloud backup services);
+- Transmit MD diagnostic data to non-DOD servers;
+- Voice assistant application if available when MD is locked;
+- Voice dialing application if available when MD is locked;
+- Allows synchronization of data or applications between devices associated with user;
+- Payment processing; and
+- Allows unencrypted (or encrypted but not FIPS 140-2 validated) data sharing with other MDs, display screens (screen mirroring), or printers.
+
+This validation procedure is performed only on the EMM Administration Console.
+
+On the EMM console:
+
+1. Review the list of selected Managed Google Play apps.
+2. Review the details and privacy policy of each selected app to ensure the app does not include prohibited characteristics.
+
+If the EMM console device policy includes applications with unauthorized characteristics, this is a finding.</check-content></check></Rule></Group><Group id="V-258483"><title>PP-MDF-333080</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258483r929265_rule" weight="10.0" severity="medium"><version>GOOG-13-706800</version><title>Google Android 13 must be configured to not display the following (work profile) notifications when the device is locked: [selection:
+a. email notifications 
+b. calendar appointments 
+c. contact associated with phone call notification 
+d. text message notification
+e. other application-based notifications
+f. all notifications].</title><description>&lt;VulnDiscussion&gt;Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new notifications. However, in many cases, these notifications can contain sensitive information. When they are available on the lock screen, an adversary can see them merely by being in close physical proximity to the device. Configuring the mobile operating system (MOS) to not send notifications to the lock screen mitigates this risk.
+
+SFR ID: FMT_SMF_EXT.1.1 #18&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000060</ident><fixtext fixref="F-62132r929264_fix">Configure the Google Android 13 device to not display (work profile) notifications when the device is locked.
+
+On the EMM console:
+
+1. Open "Lock screen" settings.
+2. Open "Lock screen restrictions".
+3. Toggle "Disable unredacted notifications".</fixtext><fix id="F-62132r929264_fix" /><check system="C-62223r929263_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device settings to determine if the Google Android 13 device displays (work profile) notifications on the lock screen. Notifications of incoming phone calls are acceptable even when the device is locked. 
+
+This validation procedure is performed on both the EMM Administration Console and the managed Google Android 13 device. 
+
+On the EMM console:
+
+1. Open "Lock screen" settings.
+2. Open "Lock screen restrictions".
+3. Verify that "Disable unredacted notifications" is toggled to "ON".
+
+On the managed Google Android 13 device:
+
+1. Go to Settings &gt;&gt; Display &gt;&gt; Lock screen.
+2. Tap on "When work profile is locked".
+3. Verify that "Hide sensitive work content" is selected.
+
+If the EMM console device policy allows work notifications on the lock screen, or the managed Google Android 13 device allows work notifications on the lock screen, this is a finding.</check-content></check></Rule></Group><Group id="V-258484"><title>PP-MDF-333110</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258484r929268_rule" weight="10.0" severity="medium"><version>GOOG-13-707200</version><title>Google Android 13 must be configured to disable trust agents.</title><description>&lt;VulnDiscussion&gt;Trust agents allow a user to unlock a mobile device without entering a passcode when the mobile device is, for example, connected to a user-selected Bluetooth device or in a user-selected location. This technology would allow unauthorized users to have access to DOD sensitive data if compromised. By not permitting the use of nonpassword authentication mechanisms, users are forced to use passcodes that meet DOD passcode requirements.
+
+SFR ID: FMT_SMF_EXT.1.1 #22, FIA_UAU.5.1&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000767</ident><fixtext fixref="F-62133r929267_fix">Configure the Google Android 13 device to disable trust agents at the same location where the DOD password is implemented (device or work profile).
+ 
+On the EMM console:
+
+1. Open "Lock screen restrictions".
+2. Select "Personal Profile".
+3. Toggle "Disable trust agents" to "ON".
+4. Open "Lock screen restrictions".
+5. Select "Work Profile".
+6. Toggle "Disable trust agents" to "ON".</fixtext><fix id="F-62133r929267_fix" /><check system="C-62224r929266_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review device configuration settings to confirm that trust agents are disabled at the same location where the DOD password is implemented (device or work profile).
+
+This procedure is performed on both the EMM Administration console and the managed Google Android 13 device.
+ 
+On the EMM console:
+1. Open "Lock screen restrictions".
+2. Select "Personal Profile".
+3. Verify that "Disable trust agents" is toggled to "ON".
+4. Open "Lock screen restrictions".
+5. Select "Work Profile".
+6. Verify that "Disable trust agents" is toggled to "ON".
+
+On the managed Google Android 13 device: 
+
+1. Open Settings.
+2. Tap "Security &amp; privacy". 
+3. Tap "More security settings". 
+4. Tap "Trust agents". 
+5. Verify that all listed trust agents are disabled and cannot be enabled.
+ 
+If on the EMM console, "disable trust agents" is not selected, or on the managed Google Android 13 device a trust agent can be enabled, this is a finding.</check-content></check></Rule></Group><Group id="V-258485"><title>PP-MDF-333160</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258485r929271_rule" weight="10.0" severity="low"><version>GOOG-13-707700</version><title>Google Android 13 must be configured to display the DOD advisory warning message at startup or each time the user unlocks the Work Profile.</title><description>&lt;VulnDiscussion&gt;Before granting access to the system, the mobile operating system is required to display the DOD-approved system use notification message or banner that provides privacy and security notices consistent with applicable Federal laws, Executive Orders, directives, policies, regulations, standards, and guidance. Required banners help ensure that DOD can audit and monitor the activities of mobile device users without legal restriction.
+
+System use notification messages can be displayed when individuals first access or unlock the mobile device. The banner must be implemented as a "click-through" banner at device unlock (to the extent permitted by the operating system). A "click-through" banner prevents further activity on the information system unless and until the user executes a positive action to manifest agreement by clicking on a box indicating "OK".
+
+The approved DOD text must be used exactly as required in the Knowledge Service referenced in DODI 8500.01. For devices accommodating banners of 1300 characters, the banner text is: 
+
+You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only. 
+By using this IS (which includes any device attached to this IS), you consent to the following conditions: 
+-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.
+-At any time, the USG may inspect and seize data stored on this IS.
+-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.
+-This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy.
+-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details.
+
+For devices with severe character limitations, the banner text is:
+
+I've read &amp; consent to terms in IS user agreem't.
+
+The administrator must configure the banner text exactly as written without any changes.
+
+SFR ID: FMT_SMF_EXT.1.1 #36&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000048</ident><fixtext fixref="F-62134r929270_fix">Configure the DOD warning banner by the following method (required text is found in the Vulnerability Discussion):
+
+By placing the DOD warning banner text in the user agreement signed by each Google Android 13 device user (preferred method).
+
+Note: It is not possible for the EMM to force a warning banner be placed on the device screen when using "work profile for employee-owned devices (BYOD)" deployment mode.</fixtext><fix id="F-62134r929270_fix" /><check system="C-62225r929269_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>The DOD warning banner can be displayed using the following method (required text is found in the Vulnerability Discussion):
+
+By placing the DOD warning banner text in the user agreement signed by each managed Android 13 device user (preferred method).
+
+Note: It is not possible for the EMM to force a warning banner be placed on the device screen when using "work profile for employee-owned devices (BYOD)" deployment mode.
+
+Review the signed user agreements for several Google Android 13 device users and verify the agreement includes the required DOD warning banner text.
+
+If the required warning banner text is not on all signed user agreements reviewed, this is a finding.</check-content></check></Rule></Group><Group id="V-258486"><title>PP-MDF-333250</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258486r929274_rule" weight="10.0" severity="medium"><version>GOOG-13-708600</version><title>Google Android 13 must be configured to not allow backup of all work profile applications to remote systems.</title><description>&lt;VulnDiscussion&gt;Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often offer less protection than the mobile operating system (MOS). Where the remote backup involves a cloud-based solution, the backup capability is often used to synchronize data across multiple devices. In this case, DOD devices may synchronize DOD sensitive information to a user's personal device or other unauthorized computers that are vulnerable to breach. Disallowing remote backup mitigates this risk.
+
+SFR ID: FMT_SMF_EXT.1.1 #40&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001090</ident><fixtext fixref="F-62135r929273_fix">Configure the Google Android 13 device to disable backup to remote systems (including commercial clouds).
+
+On the EMM console:
+
+1. Open "Device owner management".
+2. Toggle "Enable backup service" to "OFF".</fixtext><fix id="F-62135r929273_fix" /><check system="C-62226r929272_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review managed Google Android 13 device configuration settings to determine if the capability to back up to a remote system has been disabled.
+
+Note: Since personal accounts cannot be added to the work profile (GOOG-13-710100), this control only impacts personal accounts, this setting is used to prevent violations within the work profile for backing up data. This is not applicable to the personal profile.
+
+This validation procedure is performed on both the EMM Administration Console and the managed Google Android 13 device. 
+
+On the EMM console:
+
+1. Open "Device owner management".
+2. Verify "Enable backup service" is toggled to "OFF".
+
+On the managed Google Android 13 device:
+
+1. Go to Settings &gt;&gt; System &gt;&gt; System &gt;&gt; Backup.
+2. Select "Work".
+3. Verify Backup settings is "Not available".
+
+If backup service for the work profile has not been disabled, this is a finding.</check-content></check></Rule></Group><Group id="V-258487"><title>PP-MDF-333280</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258487r929277_rule" weight="10.0" severity="medium"><version>GOOG-13-708900</version><title>Google Android 13 must be configured to disable exceptions to the access control policy that prevent [selection: application processes, groups of application processes] from accessing [selection: all, private] data stored by other [selection: application processes, groups of application processes].</title><description>&lt;VulnDiscussion&gt;App data sharing gives apps the ability to access the data of other apps for enhanced user functionality. However, sharing also poses a significant risk that unauthorized users or apps will obtain access to DOD sensitive information. To mitigate this risk, there are data sharing restrictions, primarily from sharing data from personal (unmanaged) apps and work (managed) apps. If a user is allowed to make exceptions to the data sharing restriction policy, the user could enable unauthorized sharing of data, leaving it vulnerable to breach. Limiting the granting of exceptions to either the Administrator or common application developer mitigates this risk.
+
+Copy/paste of data between applications in different application processes or groups of application processes is considered an exception to the access control policy and therefore, the Administrator must be able to enable/disable the feature. Other exceptions include allowing any data or application sharing between process groups.
+
+SFR ID: FMT_SMF_EXT.1.1 #42, FDP_ACF_EXT.1.2&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002233</ident><ident system="http://cyber.mil/cci">CCI-002530</ident><fixtext fixref="F-62136r929276_fix">Configure the Google Android 13 device to enable the access control policy that prevents [selection: application processes, groups of application processes] from accessing [selection: all, private] data stored by other [selection: application processes, groups of application processes].
+
+Note: All application data is inherently sandboxed and isolated from other applications. To disable copy/paste on the EMM console:
+
+1. Open "User restrictions".
+2. Open "Set user restrictions".
+3. Toggle "Disallow cross profile copy/paste" to "ON".
+4. Toggle "Disallow sharing data into the profile" to "ON".</fixtext><fix id="F-62136r929276_fix" /><check system="C-62227r929275_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review documentation on the managed Google Android 13 device and inspect the configuration on the Google Android device to verify the access control policy that prevents [selection: application processes] from accessing [selection: all] data stored by other [selection: application processes] is enabled.
+
+This validation procedure is performed only on the EMM Administration Console. 
+
+On the EMM console:
+
+1. Open "User restrictions".
+2. Open "Set user restrictions".
+3. Verify that "Disallow cross profile copy/paste" is toggled to "ON".
+4. Verify that "Disallow sharing data into the profile" is toggled to "ON".
+
+If the EMM console device policy is not set to disable data sharing between profiles, this is a finding.</check-content></check></Rule></Group><Group id="V-258488"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258488r929280_rule" weight="10.0" severity="medium"><version>GOOG-13-709800</version><title>Google Android 13 users must complete required training.</title><description>&lt;VulnDiscussion&gt;The security posture of Google devices requires the device user to configure several required policy rules on their device. User-Based Enforcement (UBE) is required for these controls. In addition, if the Authorizing Official (AO) has approved the use of an unmanaged personal space, the user must receive training on risks. If a user is not aware of their responsibilities and does not comply with UBE requirements, the security posture of the Google mobile device and DOD sensitive data may become compromised.
+
+SFR ID: NA&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62137r929279_fix">All Google Android 13 device users must complete training on the following training topics (users must acknowledge that they have reviewed training via a signed User Agreement or similar written record): 
+- Operational security concerns introduced by unmanaged applications/unmanaged personal space, including applications using global positioning system (GPS) tracking.
+- The need to ensure no DOD data is saved to the personal space or transmitted from a personal app (for example, from personal email). 
+- If the Purebred key management app is used, users are responsible for always maintaining positive control of their credentialed device. The DOD PKI certificate policy requires subscribers to maintain positive control of the devices that contain private keys and to report any loss of control so the credentials can be revoked. Upon device retirement, turn-in, or reassignment, ensure that a factory data reset is performed prior to device hand-off. Follow mobility service provider decommissioning procedures as applicable.
+- How to configure the following UBE controls (users must configure the control) on the Google device: 
+ **Do not remove DOD intermediate and root PKI digital certificates 
+ **Do not configure a DOD network (work) VPN profile on any third-party VPN client installed in the personal space 
+- How to implement OneLock.
+- Screenshots will not be taken of any “work” related managed data.-Screenshots will not be taken of any “work” related managed data.</fixtext><fix id="F-62137r929279_fix" /><check system="C-62228r929278_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review a sample of site User Agreements for Google Android 13 device users or similar training records and training course content. 
+ 
+Verify the Google Android 13 device users have completed the required training. The intent is that required training is renewed on a periodic basis in a time period determined by the AO. 
+ 
+If any Google Android 13 device user has not completed the required training, this is a finding.</check-content></check></Rule></Group><Group id="V-258489"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258489r929283_rule" weight="10.0" severity="medium"><version>GOOG-13-710000</version><title>Google Android 13 must have the DOD root and intermediate PKI certificates installed (work profile only).</title><description>&lt;VulnDiscussion&gt;DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the root and intermediate certificates are not available, an adversary could falsely sign a certificate in such a way that it could not be detected. Providing access to the DOD root and intermediate PKI certificates greatly diminishes the risk of this attack.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62138r929282_fix">Configure the Google Android 13 device to install DOD root and intermediate certificates (work profile only). 
+ 
+On the EMM console upload DOD root and intermediate certificates as part of the work profile.
+ 
+The current DOD root and intermediate PKI certificates may be obtained in self-extracting zip files at http://cyber.mil/pki-pke (for NIPRNet).</fixtext><fix id="F-62138r929282_fix" /><check system="C-62229r929281_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review device configuration settings to confirm that the DOD root and intermediate PKI certificates are installed (work profile only).
+ 
+This procedure is performed on both the EMM Administration console and the managed Google Android 13 device. 
+ 
+The current DOD root and intermediate PKI certificates may be obtained in self-extracting zip files at http://cyber.mil/pki-pke (for NIPRNet). 
+ 
+On the EMM console verify that the DOD root and intermediate certificates are part of a device and/or work profile that is being pushed down to the devices.
+ 
+On the managed Google Android 13 device: 
+
+1. Open Settings. 
+2. Tap "Security &amp; privacy". 
+3. Tap "More security settings".
+4. Tap "Encryption &amp; credentials".
+5. Tap "Trusted credentials".
+6. Verify that DOD root and intermediate PKI certificates are listed under the User tab in the Work section.
+ 
+If on the EMM console the DOD root and intermediate certificates are not listed in a profile, or the managed Android 13 device does not list the DOD root and intermediate certificates under the user tab, this is a finding.</check-content></check></Rule></Group><Group id="V-258490"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258490r929286_rule" weight="10.0" severity="medium"><version>GOOG-13-710100</version><title>The Google Android 13 work profile must be configured to prevent users from adding personal email accounts to the work email app.</title><description>&lt;VulnDiscussion&gt;If the user can add a personal email account (POP3, IMAP, EAS) to the work email app, it could be used to forward sensitive DOD data to unauthorized recipients. Restricting email account addition to the administrator or restricting email account addition to allowlisted accounts mitigates this vulnerability.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62139r929285_fix">Configure the Google Android 13 device to prevent users from adding personal email accounts to the work email app. 
+ 
+On the EMM console: 
+
+1. Open "Set user restrictions".
+2. Toggle "Disallow modify accounts" to "ON".
+
+Refer to the EMM documentation to determine how to provision users' work email accounts for the work email app.</fixtext><fix id="F-62139r929285_fix" /><check system="C-62230r929284_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the managed Google Android 13 work profile configuration settings to confirm that users are prevented from adding personal email accounts to the work email app. 
+ 
+This procedure is performed on both the EMM Administrator console and the managed Google Android 13 device. 
+ 
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Verify "Disallow modify accounts" is toggled to "ON".
+
+On the managed Google Android 13 device: 
+
+1. Open Settings.
+2. Tap "Passwords &amp; accounts".
+3. Select "Work".
+4. Tap "Add account".
+5. Verify a message is displayed to the user stating, "Blocked by your IT admin".
+ 
+If on the EMM console the restriction to "Disallow modify accounts" is not set, or on the managed Android 13 device the user is able to add an account in the Work section, this is a finding.</check-content></check></Rule></Group><Group id="V-258491"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258491r929289_rule" weight="10.0" severity="medium"><version>GOOG-13-710200</version><title>The Google Android 13 work profile must be configured to enforce the system application disable list (work profile only).</title><description>&lt;VulnDiscussion&gt;The system application disables list controls user access to/execution of all core and preinstalled applications. 
+ 
+Core application: Any application integrated into Google Android 13 by Google. 
+ 
+Preinstalled application: Additional noncore applications included in the Google Android 13 build by Google or the wireless carrier. 
+ 
+Some system applications can compromise DOD data or upload users' information to non-DOD-approved servers. A user must be blocked from using such applications that exhibit behavior that can result in compromise of DOD data or DOD user information. 
+ 
+The site administrator must analyze all preinstalled applications on the device and disable all applications not approved for DOD use by configuring the system application disable list.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62140r929288_fix">Configure the Google Android 13 device to enforce the system application disable list (work profile only). 
+
+The required configuration is the default configuration when the device is enrolled. If the device configuration is changed, use the following procedure to bring the device back into compliance:
+
+On the EMM console:
+
+1. Open "Apps management" section.
+2. Select "Hide apps on parent".
+3. Enter package names of apps to hide.
+
+Configure a list of approved Google core and preinstalled apps in the core app allowlist.</fixtext><fix id="F-62140r929288_fix" /><check system="C-62231r929287_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the managed Google Android 13 work profile configuration settings to confirm the system application disable list is enforced (work profile only). This setting is enforced by default. Verify only approved system apps have been placed on the core allowlist.
+ 
+This procedure is performed on the EMM Administrator console. 
+ 
+Review the system app allowlist and verify only approved apps are on the list.
+
+1. Open "Apps management" section.
+2. Select "Hide apps on parent".
+3. Verify package names of apps are listed.
+
+If on the EMM console the system app allowlist contains unapproved core apps, this is a finding.</check-content></check></Rule></Group><Group id="V-258492"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258492r929292_rule" weight="10.0" severity="medium"><version>GOOG-13-710300</version><title>Google Android 13 must be provisioned as a BYOAD device (Android work profile for employee-owned devices [BYOD]).</title><description>&lt;VulnDiscussion&gt;The Android work profile for employee-owned devices (BYOD) is the designated application group for the BYOAD use case.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62141r929291_fix">Configure the Google Android 13 device for BYOD (work profile for employee-owned devices [BYOD]).
+
+On the EMM console, configure the default enrollment as work profile for employee-owned devices (BYOD).
+
+Refer to the EMM documentation to determine how to configure the device.</fixtext><fix id="F-62141r929291_fix" /><check system="C-62232r929290_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review that managed Google Android 13 is configured for BYOD (work profile for employee-owned devices [BYOD]).
+ 
+This procedure is performed on both the EMM Administrator console and the managed Google Android 13 device. 
+ 
+On the EMM console, configure the default enrollment as work profile for employee-owned devices (BYOD).
+ 
+On the managed Google Android 13 device: 
+
+1. Go to the application drawer.
+2. Ensure a Personal tab and a Work tab are present.
+
+If on the EMM console, the default enrollment is not set for BYOD (work profile for employee-owned devices [BYOD]), or if on the managed Android 13 device, the user does not have a Work tab, this is a finding.</check-content></check></Rule></Group><Group id="V-258493"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258493r929295_rule" weight="10.0" severity="medium"><version>GOOG-13-710400</version><title>The Google Android 13 work profile must be configured to disable automatic completion of workspace internet browser text input.</title><description>&lt;VulnDiscussion&gt;The autofill functionality in the web browser allows the user to complete a form that contains sensitive information, such as personally identifiable information (PII), without previous knowledge of the information. By allowing the use of autofill functionality, an adversary who learns a user's Android 13 device password, or who otherwise can unlock the device, may be able to further breach other systems by relying on the autofill feature to provide information unknown to the adversary. By disabling the autofill functionality, the risk of an adversary gaining further information about the device's user or compromising other systems is significantly mitigated.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62142r929294_fix">Configure the Chrome browser on the Google Android 13 device work profile to disable autofill.
+ 
+On the EMM console:
+
+1. Open "Managed Configurations" section.
+2. Select the Chrome Browser version from the work profile.
+3. Ensure "SearchSuggestEnabled" is turned "OFF".
+
+Refer to the EMM documentation to determine how to configure Chrome Browser Settings.</fixtext><fix id="F-62142r929294_fix" /><check system="C-62233r929293_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the work profile Chrome Browser app on the Google Android 13 autofill setting.
+
+This procedure is performed only on the EMM Administrator console. 
+ 
+On the EMM console:
+
+1. Open "Managed Configurations" section.
+2. Select the Chrome Browser version from the work profile.
+3. Verify "SearchSuggestEnabled" is turned "OFF".
+ 
+If on the EMM console autofill is set to "On" in the Chrome Browser Settings, this is a finding.</check-content></check></Rule></Group><Group id="V-258494"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258494r929298_rule" weight="10.0" severity="medium"><version>GOOG-13-710500</version><title>The Google Android 13 work profile must be configured to disable the autofill services.</title><description>&lt;VulnDiscussion&gt;The autofill services allow the user to complete text inputs that could contain sensitive information, such as personally identifiable information (PII), without previous knowledge of the information. By allowing the use of autofill services, an adversary who learns a user's Android 13 device password, or who otherwise can unlock the device, may be able to further breach other systems by relying on the autofill services to provide information unknown to the adversary. By disabling the autofill services, the risk of an adversary gaining further information about the device's user or compromising other systems is significantly mitigated. 
+ 
+Examples of apps that offer autofill services include Samsung Pass, Google, Dashlane, LastPass, and 1Password.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62143r929297_fix">Configure the Google Android 13 device work profile to disable the autofill services. 
+ 
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Toggle "Disallow autofill" to "ON".</fixtext><fix id="F-62143r929297_fix" /><check system="C-62234r929296_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the Google Android 13 work profile configuration settings to confirm that autofill services are disabled. 
+ 
+This procedure is performed only on the EMM Administration console. 
+ 
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Verify "Disallow autofill" is toggled to "ON".
+ 
+If on the EMM console "disallow autofill" is not selected, this is a finding.</check-content></check></Rule></Group><Group id="V-258495"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258495r929301_rule" weight="10.0" severity="high"><version>GOOG-13-710800</version><title>Android 13 devices must have the latest available Google Android 13 operating system installed.</title><description>&lt;VulnDiscussion&gt;Required security features are not available in earlier operating system versions. In addition, earlier versions may have known vulnerabilities.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62144r929300_fix">Install the latest released version of the Google Android 13 operating system on all managed Google devices.
+ 
+Note: Google Android device operating system updates are released directly by Google or can be distributed via the EMM. Check each device manufacturer and/or carriers for current updates.</fixtext><fix id="F-62144r929300_fix" /><check system="C-62235r929299_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review device configuration settings to confirm the Google Android device has the most recently released version of managed Google Android 13 installed. 
+ 
+This procedure is performed on both the EMM console and the managed Google Android 13 device.
+ 
+In the EMM management console, review the version of Google Android 13 installed on a sample of managed devices. This procedure will vary depending on the EMM product. 
+ 
+To determine the installed operating system version on the managed Google Android 13 device: 
+
+1. Open Settings.
+2. Tap "About phone".
+3. Verify "Build number".
+ 
+If the installed version of the Google Android 13 operating system on any reviewed device is not the latest released by Google, this is a finding. 
+
+Google's Android operating system patch website: https://source.android.com/security/bulletin/
+
+Android versions for Pixel devices: https://developers.google.com/android/images</check-content></check></Rule></Group><Group id="V-258496"><title>PP-MDF-993300</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258496r929304_rule" weight="10.0" severity="low"><version>GOOG-13-710900</version><title>Android 13 devices must be configured to disable the use of third-party keyboards (work profile only).</title><description>&lt;VulnDiscussion&gt;Many third-party keyboard applications are known to contain malware.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62145r929303_fix">Configure the Google Android 13 device to disallow the use of third-party keyboards (work profile only). 
+ 
+On the EMM console:
+
+1. Open "Input methods".
+2. Tap "Set input methods".
+3. Select only the approved keyboards.
+
+Additionally, admins can configure application allowlists for Google Play so no third-party keyboards are available for user installation.</fixtext><fix id="F-62145r929303_fix" /><check system="C-62236r929302_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the managed Google Android 13 configuration settings to confirm that no third-party keyboards are enabled (work profile only). 
+ 
+This procedure is performed on the EMM console.
+ 
+On the EMM console:
+
+1. Open "Input methods".
+2. Tap "Set input methods".
+3. Verify only the approved keyboards are selected.
+
+If unapproved third-party keyboards are allowed in the work profile, this is a finding.</check-content></check></Rule></Group><Group id="V-258497"><title>PP-MDF-333350</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258497r929307_rule" weight="10.0" severity="medium"><version>GOOG-13-712300</version><title>The Google Android 13 must allow only the administrator (EMM) to install/remove DOD root and intermediate PKI certificates (work profile).</title><description>&lt;VulnDiscussion&gt;DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the user is allowed to remove root and intermediate certificates, the user could allow an adversary to falsely sign a certificate in such a way that it could not be detected. Restricting the ability to remove DOD root and intermediate PKI certificates to the Administrator mitigates this risk.
+
+SFR ID: FMT_MOF_EXT.1.2 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 BYOAD</dc:subject><dc:identifier>5557</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000370</ident><fixtext fixref="F-62146r929306_fix">Configure Google Android 13 device to prevent a user from removing DOD root and intermediate PKI certificates (work profile).
+
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Toggle "Disallow config credentials" to "ON".</fixtext><fix id="F-62146r929306_fix" /><check system="C-62237r929305_chk"><check-content-ref href="Google_Android_13_BYOAD_STIG.xml" name="M" /><check-content>Review the device configuration to confirm that the user is unable to remove DOD root and intermediate PKI certificates (work profile).
+
+On the EMM console:
+
+1. Open "Set user restrictions".
+2. Verify "Disallow config credentials" is toggled to "ON".
+
+On the Google Android 13 device:
+
+1. Open Settings.
+2. Tap "Security and privacy".
+3. Tap "More security settings".
+4. Tap "Encryption &amp; credentials".
+5. Tap "Trusted credentials".
+6. Verify the user is unable to untrust or remove any work certificates.
+ 
+If the user can remove certificates on the Google Android 13 device, this is a finding.</check-content></check></Rule></Group></Benchmark>
\ No newline at end of file
diff --git a/benchmarks/DISA/U_Google_Android_13_MDF_PP_3-3_BYOAD_STIG_V1R0-1_Manual-xccdf.xml b/benchmarks/DISA/U_Google_Android_13_MDF_PP_3-3_BYOAD_STIG_V1R0-1_Manual-xccdf.xml
new file mode 100644
index 000000000..3a3ac90ce
--- /dev/null
+++ b/benchmarks/DISA/U_Google_Android_13_MDF_PP_3-3_BYOAD_STIG_V1R0-1_Manual-xccdf.xml
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="utf-8"?><?xml-stylesheet type='text/xsl' href='STIG_unclass.xsl'?><Benchmark xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cpe="http://cpe.mitre.org/language/2.0" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="http://checklists.nist.gov/xccdf/1.1 http://nvd.nist.gov/schema/xccdf-1.1.4.xsd http://cpe.mitre.org/dictionary/2.0 http://cpe.mitre.org/files/cpe-dictionary_2.1.xsd" id="Google_Android_13_MDF_PP_3-3_BYOAD_STIG" xml:lang="en" xmlns="http://checklists.nist.gov/xccdf/1.1"><status date="2023-09-19">accepted</status><title>Google Android 13 MDFPP 3.3 BYOAD Security Technical Implementation Guide</title><description>This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.</description><notice id="terms-of-use" xml:lang="en"></notice><front-matter xml:lang="en"></front-matter><rear-matter xml:lang="en"></rear-matter><reference href="https://cyber.mil"><dc:publisher>DISA</dc:publisher><dc:source>STIG.DOD.MIL</dc:source></reference><plain-text id="release-info">Release: 1 Benchmark Date: 04 Oct 2023</plain-text><plain-text id="generator">3.4.1.22916</plain-text><plain-text id="conventionsVersion">1.10.0</plain-text><version>1</version><Profile id="MAC-1_Classified"><title>I - Mission Critical Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-1_Public"><title>I - Mission Critical Public</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-1_Sensitive"><title>I - Mission Critical Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-2_Classified"><title>II - Mission Support Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-2_Public"><title>II - Mission Support Public</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-2_Sensitive"><title>II - Mission Support Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-3_Classified"><title>III - Administrative Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-3_Public"><title>III - Administrative Public</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Profile id="MAC-3_Sensitive"><title>III - Administrative Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-258461" selected="true" /><select idref="V-258462" selected="true" /><select idref="V-258463" selected="true" /><select idref="V-258464" selected="true" /><select idref="V-258465" selected="true" /><select idref="V-258466" selected="true" /><select idref="V-258467" selected="true" /><select idref="V-258468" selected="true" /><select idref="V-258469" selected="true" /><select idref="V-258470" selected="true" /><select idref="V-258471" selected="true" /><select idref="V-258472" selected="true" /><select idref="V-258473" selected="true" /><select idref="V-258474" selected="true" /></Profile><Group id="V-258461"><title>PP-BYO-000020</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258461r929199_rule" weight="10.0" severity="medium"><version>GOOG-13-800200</version><title>The EMM system supporting the Google Android 13 BYOAD must be configured for autonomous monitoring, compliance, and validation to ensure security/configuration settings of mobile devices do not deviate from the approved configuration baseline.</title><description>&lt;VulnDiscussion&gt;DOD policy requires BYOAD devices with DOD data be managed by a DOD MDM server, MAM server, or VMI system. This ensures the device can be monitored for compliance with the approved security baseline and the work profile can be removed when the device is out of compliance, which protects DOD data from unauthorized exposure.
+
+Examples of possible EMM security controls are as follows:
+1. Device access restrictions: Restrict or isolate access based on the devices access type (i.e., from the internet), authentication type (e.g., password), credential strength, etc.
+2. User and device activity monitoring: Configured to detect anomalous activity, malicious activity, and unauthorized attempts to access DOD information.
+3. Device health tracking: Monitor device attestation, health, and agents reporting compromised applications, connections, intrusions, and/or signatures.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)ii, 3.b.(2)ii.1 &amp; 2).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62110r929198_fix">Configure the EMM system supporting the Google Android 13 BYOAD to conduct autonomous monitoring, compliance, and validation to ensure security/configuration settings of mobile devices do not deviate from the approved configuration baseline. The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62110r929198_fix" /><check system="C-62201r929197_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system supporting the Google Android 13 BYOAD has been configured to conduct autonomous monitoring, compliance, and validation to ensure security/configuration settings of mobile devices do not deviate from the approved configuration baseline. The exact procedure will depend on the EMM system used at the site.
+
+If the EMM system supporting the Google Android 13 BYOAD has not been configured to conduct autonomous monitoring, compliance, and validation to ensure security/configuration settings of mobile devices, this is a finding.</check-content></check></Rule></Group><Group id="V-258462"><title>PP-BYO-000030</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258462r929202_rule" weight="10.0" severity="medium"><version>GOOG-13-800300</version><title>The EMM system supporting the Google Android 13 BYOAD must be configured to initiate autonomous monitoring, compliance, and validation prior to granting the Google Android 13 BYOAD access to DOD information and IT resources.</title><description>&lt;VulnDiscussion&gt;DOD policy requires BYOAD devices with DOD data be managed by a DOD MDM server, MAM server, or VMI system. This ensures the device can be monitored for compliance with the approved security baseline and the work profile can be removed when the device is out of compliance, which protects DOD data from unauthorized exposure.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)iii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62111r929201_fix">Configure the EMM system supporting the Google Android 13 BYOAD to initiate autonomous monitoring, compliance, and validation prior to granting the BYOAD access to DOD information and IT resources. The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62111r929201_fix" /><check system="C-62202r929200_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system supporting the Google Android 13 BYOAD has been configured to initiate autonomous monitoring, compliance, and validation prior to granting the BYOAD access to DOD information and IT resources. The exact procedure will depend on the EMM system used at the site.
+
+If the EMM system supporting the Google Android 13 BYOAD has not been configured to initiate autonomous monitoring, compliance, and validation prior to granting the BYOAD access to DOD information and IT resources, this is a finding.</check-content></check></Rule></Group><Group id="V-258463"><title>PP-BYO-000040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258463r929205_rule" weight="10.0" severity="medium"><version>GOOG-13-800400</version><title>The EMM system supporting the Google Android 13 BYOAD must be configured to detect if the Google Android 13 BYOAD native security controls are disabled.</title><description>&lt;VulnDiscussion&gt;Examples of indicators that the native device native security controls have been disabled include jailbroken or rooted devices.
+
+DOD policy requires BYOAD devices with DOD data be managed by a DOD MDM server, MAM server, or VMI system. This ensures the device can be monitored for compliance with the approved security baseline and the work profile can be removed when the device is out of compliance, which protects DOD data from unauthorized exposure. Detection via collecting and analysis of BYOAD generated logs for noncompliance indicators is acceptable.
+
+This detection capability must be implemented prior to BYOAD access to DOD information and IT resources and continuously monitored on the DOD-managed segment of the BYOAD enrolled in the program. If non-DOD information (i.e., personal user data, device information) outside the DOD-managed segment of the BYOAD is required to be accessed, collected, monitored, tracked (i.e., location), or maintained, the circumstances under which this may be done must be outlined in the user agreement.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)iii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62112r929204_fix">Configure the EMM system supporting the Google Android 13 BYOAD to detect if the BYOAD native security controls are disabled. The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62112r929204_fix" /><check system="C-62203r929203_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system supporting the Google Android 13 BYOAD has been configured to detect if the BYOAD native security controls are disabled. The exact procedure will depend on the EMM system used at the site.
+
+If the EMM system supporting the Google Android 13 BYOAD is not configured to detect if the BYOAD native security controls are disabled, this is a finding.</check-content></check></Rule></Group><Group id="V-258464"><title>PP-BYO-000050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258464r929208_rule" weight="10.0" severity="medium"><version>GOOG-13-800500</version><title>The EMM system supporting the Google Android 13 BYOAD must be configured to detect if known malicious applications, blocked, or prohibited applications are installed on the Google Android 13 BYOAD (DOD-managed segment only).</title><description>&lt;VulnDiscussion&gt;DOD policy requires BYOAD devices with DOD data be managed by a DOD MDM server, MAM server, or VMI system. This ensures the device can be monitored for compliance with the approved security baseline and the work profile can be removed when the device is out of compliance, which protects DOD data from unauthorized exposure. Detection via collecting and analysis of BYOAD generated logs for noncompliance indicators is acceptable.
+
+This detection capability must be implemented prior to AMD (Approved Mobile Device, called BYOAD device in the STIG) enrollment, AMD access to DOD information and IT resources, and continuously monitored on the DOD-managed segment of the AMD enrolled in the program. If non-DOD information (i.e., personal user data, device information) outside the DOD-managed segment of the AMD is required to be accessed, collected, monitored, tracked (i.e., location), or maintained, the circumstances under which this may be done must be outlined in the user agreement.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)iii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62113r929207_fix">Implement an app vetting process before work profile apps are placed in the MDM app repository.</fixtext><fix id="F-62113r929207_fix" /><check system="C-62204r929206_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify an app vetting process is being used to vet apps before work profile apps are placed in the MDM app repository.
+
+If an app vetting process is not being used to vet apps before work profile apps are placed in the MDM app repository, this is a finding.</check-content></check></Rule></Group><Group id="V-258465"><title>PP-BYO-000070</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258465r929211_rule" weight="10.0" severity="medium"><version>GOOG-13-800700</version><title>The EMM detection/monitoring system must use continuous monitoring of enrolled Google Android 13 BYOAD.</title><description>&lt;VulnDiscussion&gt;DOD policy requires BYOAD devices with DOD data be managed by a DOD MDM server, MAM server, or VMI system. This ensures the device can be monitored for compliance with the approved security baseline and the work profile can be removed when the device is out of compliance, which protects DOD data from unauthorized exposure. Continuous monitoring must be used to ensure all noncompliance events will be seen by the detection system.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)iii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62114r929210_fix">Configure the EMM detection/monitoring system to use continuous monitoring of enrolled Google Android 13 BYOAD. The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62114r929210_fix" /><check system="C-62205r929209_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM detection/monitoring system is configured to use continuous monitoring of enrolled Google Android 13 BYOAD. The exact procedure will depend on the EMM system used at the site.
+
+If the EMM detection/monitoring system is not configured to use continuous monitoring of enrolled Google Android 13 BYOAD, this is a finding.</check-content></check></Rule></Group><Group id="V-258466"><title>PP-BYO-000080</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258466r929214_rule" weight="10.0" severity="medium"><version>GOOG-13-800800</version><title>The Google Android 13 BYOAD must be configured to either disable access to DOD data and IT systems and user accounts or wipe the work profile if the EMM system detects native security controls are disabled.</title><description>&lt;VulnDiscussion&gt;Examples of indicators that the native device security controls have been disabled include jailbroken or rooted devices.
+
+When a BYOAD is out of compliance, DOD data and apps must be removed to protect against compromise of sensitive DOD information.
+
+Note: The site should review DOD and local data retention policies before wiping the work profile of a BYOAD device.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.b.(4) 3.b.(5)i).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62115r929213_fix">Configure the EMM to either disable access to DOD data and IT systems and user accounts on the Google Android 13 BYOAD or wipe the work profile if it has been detected that native BYOAD security controls are disabled (e.g., jailbroken/rooted). The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62115r929213_fix" /><check system="C-62206r929212_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM has been configured to either disable access to DOD data, IT systems, and user accounts on the Google Android 13 BYOAD or wipe the work profile if it has been detected that native BYOAD security controls are disabled (e.g., jailbroken/rooted). The exact procedure will depend on the EMM system used at the site.
+
+If the EMM has not been configured to either disable access to DOD data, IT systems, and user accounts on the Google Android 13 BYOAD or wipe the work profile if it has been detected that native BYOAD security controls are disabled, this is a finding.</check-content></check></Rule></Group><Group id="V-258467"><title>PP-BYO-000090</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258467r929217_rule" weight="10.0" severity="medium"><version>GOOG-13-800900</version><title>The Google Android 13 BYOAD must be configured to either disable access to DOD data and IT systems and user accounts or wipe the work profile if the EMM system detects the Google Android 13 BYOAD device has known malicious, blocked, or prohibited applications, or configured to access nonapproved third-party applications stores in the work profile.</title><description>&lt;VulnDiscussion&gt;When a BYOAD is out of compliance, DOD data and apps must be removed to protect against compromise of sensitive DOD information.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)iii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62116r929216_fix">Configure the EMM system to either disable access to DOD data and IT systems and user accounts or wipe the work profile if it has detected the Google Android 13 BYOAD device has known malicious, blocked, or prohibited managed applications, or configured to access nonapproved third-party applications stores for managed apps. The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62116r929216_fix" /><check system="C-62207r929215_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system has been configured to either disable access to DOD data and IT systems and user accounts or the work profile if it has detected the Google Android 13 BYOAD device has known malicious, blocked, or prohibited managed applications, or configured to access nonapproved third-party applications stores for managed apps. The exact procedure will depend on the EMM system used at the site.
+
+If the EMM system has not been configured to either disable access to DOD data and IT systems and user accounts or wipe the work profile if it has detected the Google Android 13 BYOAD device has known malicious, blocked, or prohibited managed applications, or configured to access nonapproved third-party applications stores for managed apps, this is a finding.</check-content></check></Rule></Group><Group id="V-258468"><title>PP-BYO-000100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258468r929220_rule" weight="10.0" severity="medium"><version>GOOG-13-801000</version><title>The Google Android 13 BYOAD must be configured so that the work profile is removed if the device is no longer receiving security or software updates.</title><description>&lt;VulnDiscussion&gt;When a BYOAD is out of compliance, DOD data and apps must be removed to protect against compromise of sensitive DOD information.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.b.(1)ii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62117r929219_fix">Configure the EMM system so the work profile is removed if the Google Android 13 BYOAD is no longer receiving security or software updates. The exact procedure will depend on the EMM system used at the site.</fixtext><fix id="F-62117r929219_fix" /><check system="C-62208r929218_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system is configured to wipe the work profile if the Google Android 13 BYOAD is no longer receiving security or software updates. The exact procedure will depend on the EMM system used at the site.
+
+If the EMM system is not configured to wipe the work profile if the Google Android 13 BYOAD is no longer receiving security or software updates, this is a finding.</check-content></check></Rule></Group><Group id="V-258469"><title>PP-BYO-000110</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258469r929223_rule" weight="10.0" severity="high"><version>GOOG-13-801100</version><title>The Google Android 13 BYOAD and DOD enterprise must be configured to limit access to only AO-approved, corporate-owned enterprise IT resources.</title><description>&lt;VulnDiscussion&gt;Note: IT resources includes DOD networks and applications (for example, DOD email).
+
+The System Administrator must have the capability to limit access of the BYOAD to DOD networks and DOD IT resources based on mission needs and risk. An adversary could exploit vulnerabilities created by the weaker configuration to compromise DOD sensitive information. The AO should document networks, IT resources, and enterprise applications that BYOAD can access.
+
+Examples of EMM security controls are as follows:
+1. Device access restrictions: Restrict or isolate access based on the devices access type (i .e., from the internet), authentication type (e.g., password), credential strength, etc.
+2. User and device activity monitoring: Configured to detect anomalous activity, malicious activity, and unauthorized attempts to access DOD information.
+3. Device health tracking: Monitor device attestation, health, and agents reporting compromised applications, connections, intrusions, and/or signatures.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.b.(2)ii).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000213</ident><fixtext fixref="F-62118r929222_fix">Configure the EMM system and DOD enterprise to limit the Google Android 13 BYOAD access to only AO-approved enterprise IT resources. The exact procedure will depend on the EMM system used and IT resources at the site.</fixtext><fix id="F-62118r929222_fix" /><check system="C-62209r929221_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system and DOD enterprise have been configured to limit the Google Android 13 BYOAD access to only AO-approved enterprise IT resources. The exact procedure will depend on the EMM system used and IT resources at the site.
+
+If the EMM system and DOD enterprise have not been configured to limit Google Android 13 BYOAD access to only AO-approved enterprise IT resources, this is a finding.</check-content></check></Rule></Group><Group id="V-258470"><title>PP-BYO-000200</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258470r929226_rule" weight="10.0" severity="high"><version>GOOG-13-802000</version><title>The EMM system supporting the Google Android 13 BYOAD must be NIAP validated (included on the NIAP list of compliant products or products in evaluation) unless the DOD CIO has granted an Approved Exception to Policy (E2P).</title><description>&lt;VulnDiscussion&gt;Note: For a VMI solution, both the client and server must be NIAP compliant.
+
+Nonapproved EMM systems may not include sufficient controls to protect work data, applications, and networks from malware or adversary attack. EMM: mobile device management (MDM), mobile application management (MAM), mobile content management (MCM), and virtual mobile infrastructure (VMI). 
+
+Components must only approve devices listed on the NIAP product compliant list or products listed in evaluation at the following links respectfully:
+- https://www.niap-ccevs.org/Product/
+- https://www.niap-ccevs.org/Product/PINE.cfm
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(2)).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62119r929225_fix">Only use an EMM system supporting the Google Android 13 BYOAD that is NIAP validated (included on the NIAP list of compliant products or products in evaluation), unless the DOD CIO has granted an Approved Exception to Policy (E2P).
+
+Note: For a VMI solution, both the client and server components must be NIAP compliant.</fixtext><fix id="F-62119r929225_fix" /><check system="C-62210r929224_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the EMM system supporting the Google Android 13 BYOAD is NIAP-validated (included on the NIAP list of compliant products or products in evaluation). If not, verify the DOD CIO has granted an Approved Exception to Policy (E2P).
+
+Note: For a VMI solution, both the client and server components must be NIAP compliant.
+
+If the EMM system supporting the Google Android 13 BYOAD is not NIAP-validated (included on the NIAP list of compliant products or products in evaluation) and the DOD CIO has not granted an Approved Exception to Policy (E2P), this is a finding.</check-content></check></Rule></Group><Group id="V-258471"><title>PP-BYO-000210</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258471r929229_rule" weight="10.0" severity="low"><version>GOOG-13-802100</version><title>The User Agreement must include a description of what personal data and information is being monitored, collected, or managed by the EMM system or deployed agents or tools.</title><description>&lt;VulnDiscussion&gt;DOD policy states BYOAD owners must sign a user agreement and be made aware of what personal data and activities will be monitored by the Enterprise by including this information in the user agreement.
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.a.(3)ii, and 3.c.(4)).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62120r929228_fix">Include a description of what personal data and information is being monitored, collected, or managed by the EMM system or deployed agents or tools in the user agreement.</fixtext><fix id="F-62120r929228_fix" /><check system="C-62211r929227_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the user agreement includes a description of what personal data and information is being monitored, collected, or managed by the EMM system or deployed agents or tools.
+
+If the user agreement does not include a description of what personal data and information is being monitored, collected, or managed by the EMM system or deployed agents or tools, this is a finding.</check-content></check></Rule></Group><Group id="V-258472"><title>PP-BYO-000220</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258472r929232_rule" weight="10.0" severity="medium"><version>GOOG-13-802200</version><title>The DOD Mobile Service Provider must not allow Google Android 13 BYOADs in facilities where personally owned mobile devices are prohibited.</title><description>&lt;VulnDiscussion&gt;DOD policy requires BYOAD devices with DOD data be managed by a DOD MDM server, MAM server, or VMI system. This ensures the device can be monitored for compliance with the approved security baseline and the work profile can be removed when the device is out of compliance, which protects DOD data from unauthorized exposure. 
+
+Follow local physical security procedures regarding allowing or prohibiting personally owned mobile devices in a DOD facility. If BYOAD devices are brought into facilities where the AO has determined the risk of using personal devices is unacceptable, this could lead to the exposure of sensitive DOD data.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000382</ident><fixtext fixref="F-62121r929231_fix">Do not allow BYOADs in facilities where personally owned mobile devices are prohibited.</fixtext><fix id="F-62121r929231_fix" /><check system="C-62212r929230_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the DOD Mobile Service Provider or ISSO/ISSM do not allow BYOADs in facilities where personally owned mobile devices are prohibited.
+
+If the DOD Mobile Service Provider or ISSO/ISSM allows BYOADs in facilities where personally owned mobile devices are prohibited, this is a finding.</check-content></check></Rule></Group><Group id="V-258473"><title>PP-BYO-000230</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258473r929235_rule" weight="10.0" severity="medium"><version>GOOG-13-802300</version><title>The Google Android 13 BYOAD must be configured to disable device cameras and/or microphones when brought into DOD facilities where mobile phone cameras and/or microphones are prohibited.</title><description>&lt;VulnDiscussion&gt;In some DOD operational environments, the use of the mobile device camera or microphone could lead to a security incident or compromise of DOD information. The System Administrator must have the capability to disable the mobile device camera and/or microphone based on mission needs. Alternatively, mobile devices with cameras or microphones that cannot be disabled must be prohibited from the facility by the ISSO/ISSM.
+
+If BYOAD devices are brought into facilities where the AO has determined the risk of using mobile device cameras or microphones is unacceptable, this could lead to the exposure of sensitive DOD data.
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000382</ident><fixtext fixref="F-62122r929234_fix">Do not allow Google Android 13 BYOADs in DOD facilities where mobile phone cameras and/or microphones are prohibited.</fixtext><fix id="F-62122r929234_fix" /><check system="C-62213r929233_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify Google Android 13 BYOADs are prohibited in DOD facilities that prohibit mobile devices with cameras and microphones.
+
+If for DOD sites that prohibit mobile devices with cameras and microphones, Google Android 13 BYOADs have not been prohibited from the facility by the ISSO/ISSM, this is a finding.</check-content></check></Rule></Group><Group id="V-258474"><title>PP-BYO-000200</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258474r929238_rule" weight="10.0" severity="high"><version>GOOG-13-802800</version><title>The mobile device used for BYOAD must be NIAP validated.</title><description>&lt;VulnDiscussion&gt;Nonapproved mobile devices may not include sufficient controls to protect work data, applications, and networks from malware or adversary attack.
+
+Components must only approve devices listed on the NIAP product compliant list or products listed in evaluation at the following links respectfully:
+- https://www.niap-ccevs.org/Product/
+- https://www.niap-ccevs.org/Product/PINE.cfm
+
+Reference: DOD policy "Use of Non-Government Mobile Devices" (3.b.(1)i).
+
+SFR ID: FMT_SMF_EXT.1.1 #47&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Google Android 13 MDFPP 3.3 BYOAD</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Google Android 13 MDFPP 3.3 BYOAD</dc:subject><dc:identifier>5556</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-62123r929237_fix">Use only mobile devices for BYOAD that are NIAP validated (included on the NIAP list of compliant products or products in evaluation).</fixtext><fix id="F-62123r929237_fix" /><check system="C-62214r929236_chk"><check-content-ref href="Google_Android_13_MDFPP_3.3_BYOAD_STIG.xml" name="M" /><check-content>Verify the mobile device used for BYOAD is NIAP validated (included on the NIAP list of compliant products or products in evaluation). 
+
+If the mobile device used for BYOAD is not NIAP validated (included on the NIAP list of compliant products or products in evaluation), this is a finding.</check-content></check></Rule></Group></Benchmark>
\ No newline at end of file
diff --git a/benchmarks/DISA/U_RHEL_9_STIG_V1R1_Manual-xccdf.xml b/benchmarks/DISA/U_RHEL_9_STIG_V1R1_Manual-xccdf.xml
new file mode 100644
index 000000000..8a824f0d4
--- /dev/null
+++ b/benchmarks/DISA/U_RHEL_9_STIG_V1R1_Manual-xccdf.xml
@@ -0,0 +1,7018 @@
+<?xml version="1.0" encoding="utf-8"?><?xml-stylesheet type='text/xsl' href='STIG_unclass.xsl'?><Benchmark xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:cpe="http://cpe.mitre.org/language/2.0" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="http://checklists.nist.gov/xccdf/1.1 http://nvd.nist.gov/schema/xccdf-1.1.4.xsd http://cpe.mitre.org/dictionary/2.0 http://cpe.mitre.org/files/cpe-dictionary_2.1.xsd" id="RHEL_9_STIG" xml:lang="en" xmlns="http://checklists.nist.gov/xccdf/1.1"><status date="2023-09-13">accepted</status><title>Red Hat Enterprise Linux 9 Security Technical Implementation Guide</title><description>This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. 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idref="V-258233" selected="true" /><select idref="V-258234" selected="true" /><select idref="V-258235" selected="true" /><select idref="V-258236" selected="true" /><select idref="V-258237" selected="true" /><select idref="V-258238" selected="true" /><select idref="V-258239" selected="true" /><select idref="V-258240" selected="true" /><select idref="V-258241" selected="true" /><select idref="V-258242" selected="true" /></Profile><Profile id="MAC-1_Sensitive"><title>I - Mission Critical Sensitive</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-257777" selected="true" /><select idref="V-257778" selected="true" /><select idref="V-257779" selected="true" /><select idref="V-257780" selected="true" /><select idref="V-257781" selected="true" /><select idref="V-257782" selected="true" /><select idref="V-257783" selected="true" /><select idref="V-257784" selected="true" /><select idref="V-257785" selected="true" /><select idref="V-257786" selected="true" /><select idref="V-257787" selected="true" /><select idref="V-257788" selected="true" /><select idref="V-257789" selected="true" /><select idref="V-257790" selected="true" /><select idref="V-257791" selected="true" /><select idref="V-257792" selected="true" /><select idref="V-257793" selected="true" /><select idref="V-257794" selected="true" /><select idref="V-257795" selected="true" /><select idref="V-257796" selected="true" /><select idref="V-257797" selected="true" /><select idref="V-257798" selected="true" /><select idref="V-257799" selected="true" /><select idref="V-257800" selected="true" /><select idref="V-257801" selected="true" /><select idref="V-257802" selected="true" /><select idref="V-257803" selected="true" /><select idref="V-257804" selected="true" /><select idref="V-257805" selected="true" /><select idref="V-257806" selected="true" /><select idref="V-257807" selected="true" /><select idref="V-257808" selected="true" /><select idref="V-257809" selected="true" /><select idref="V-257810" selected="true" /><select idref="V-257811" selected="true" /><select idref="V-257812" selected="true" /><select idref="V-257813" selected="true" /><select idref="V-257814" selected="true" /><select idref="V-257815" selected="true" /><select idref="V-257816" selected="true" /><select idref="V-257817" selected="true" /><select idref="V-257818" selected="true" /><select idref="V-257819" selected="true" /><select idref="V-257820" selected="true" /><select idref="V-257821" selected="true" /><select idref="V-257822" selected="true" /><select idref="V-257823" selected="true" /><select idref="V-257824" selected="true" /><select idref="V-257825" selected="true" /><select idref="V-257826" selected="true" /><select idref="V-257827" selected="true" /><select idref="V-257828" selected="true" /><select idref="V-257829" selected="true" /><select idref="V-257830" selected="true" /><select idref="V-257831" selected="true" /><select idref="V-257832" selected="true" /><select idref="V-257833" selected="true" /><select idref="V-257834" selected="true" /><select idref="V-257835" selected="true" /><select idref="V-257836" selected="true" /><select idref="V-257837" selected="true" /><select idref="V-257838" selected="true" /><select idref="V-257839" selected="true" /><select idref="V-257840" selected="true" /><select idref="V-257841" selected="true" /><select idref="V-257842" selected="true" /><select idref="V-257843" selected="true" /><select idref="V-257844" selected="true" /><select idref="V-257845" selected="true" /><select idref="V-257846" selected="true" /><select idref="V-257847" selected="true" /><select idref="V-257848" selected="true" /><select idref="V-257849" selected="true" /><select idref="V-257850" selected="true" /><select idref="V-257851" selected="true" /><select idref="V-257852" selected="true" /><select idref="V-257853" selected="true" /><select idref="V-257854" selected="true" /><select idref="V-257855" selected="true" /><select idref="V-257856" selected="true" /><select idref="V-257857" selected="true" /><select idref="V-257858" selected="true" /><select idref="V-257859" selected="true" /><select idref="V-257860" selected="true" /><select idref="V-257861" selected="true" /><select idref="V-257862" selected="true" /><select idref="V-257863" selected="true" /><select idref="V-257864" selected="true" /><select idref="V-257865" selected="true" /><select idref="V-257866" selected="true" /><select idref="V-257867" selected="true" /><select idref="V-257868" selected="true" /><select idref="V-257869" selected="true" /><select idref="V-257870" selected="true" /><select idref="V-257871" selected="true" /><select idref="V-257872" selected="true" /><select idref="V-257873" selected="true" /><select idref="V-257874" selected="true" /><select idref="V-257875" selected="true" /><select idref="V-257876" selected="true" /><select idref="V-257877" selected="true" /><select idref="V-257878" selected="true" /><select idref="V-257879" selected="true" /><select idref="V-257880" selected="true" /><select idref="V-257881" selected="true" /><select idref="V-257882" selected="true" /><select idref="V-257883" selected="true" /><select idref="V-257884" selected="true" /><select idref="V-257885" selected="true" /><select idref="V-257886" selected="true" /><select idref="V-257887" selected="true" /><select idref="V-257888" selected="true" /><select idref="V-257889" selected="true" /><select idref="V-257890" selected="true" /><select idref="V-257891" selected="true" /><select idref="V-257892" selected="true" /><select idref="V-257893" selected="true" /><select idref="V-257894" selected="true" /><select idref="V-257895" selected="true" /><select idref="V-257896" selected="true" /><select idref="V-257897" selected="true" /><select idref="V-257898" selected="true" /><select idref="V-257899" selected="true" /><select idref="V-257900" selected="true" /><select idref="V-257901" selected="true" /><select idref="V-257902" selected="true" /><select idref="V-257903" selected="true" /><select idref="V-257904" selected="true" /><select idref="V-257905" selected="true" /><select idref="V-257906" selected="true" /><select idref="V-257907" selected="true" /><select idref="V-257908" selected="true" /><select idref="V-257909" selected="true" /><select idref="V-257910" selected="true" /><select idref="V-257911" selected="true" /><select idref="V-257912" selected="true" /><select idref="V-257913" selected="true" /><select idref="V-257914" selected="true" /><select idref="V-257915" selected="true" /><select idref="V-257916" selected="true" /><select idref="V-257917" selected="true" /><select idref="V-257918" selected="true" /><select idref="V-257919" selected="true" /><select idref="V-257920" selected="true" /><select idref="V-257921" selected="true" /><select idref="V-257922" selected="true" /><select idref="V-257923" selected="true" /><select idref="V-257924" selected="true" /><select idref="V-257925" selected="true" /><select idref="V-257926" selected="true" /><select idref="V-257927" selected="true" /><select idref="V-257928" selected="true" /><select idref="V-257929" selected="true" /><select idref="V-257930" selected="true" /><select idref="V-257931" selected="true" /><select idref="V-257932" selected="true" /><select idref="V-257933" selected="true" /><select idref="V-257934" selected="true" /><select idref="V-257935" selected="true" /><select idref="V-257936" selected="true" /><select idref="V-257937" selected="true" /><select idref="V-257938" selected="true" /><select idref="V-257939" selected="true" /><select idref="V-257940" selected="true" /><select idref="V-257941" selected="true" /><select idref="V-257942" selected="true" /><select idref="V-257943" selected="true" /><select idref="V-257944" selected="true" /><select idref="V-257945" selected="true" /><select idref="V-257946" selected="true" /><select idref="V-257947" selected="true" /><select idref="V-257948" selected="true" /><select idref="V-257949" selected="true" /><select idref="V-257950" selected="true" /><select idref="V-257951" selected="true" /><select idref="V-257952" selected="true" /><select idref="V-257953" selected="true" /><select idref="V-257954" selected="true" /><select idref="V-257955" selected="true" /><select idref="V-257956" selected="true" /><select idref="V-257957" selected="true" /><select idref="V-257958" selected="true" /><select idref="V-257959" selected="true" /><select idref="V-257960" selected="true" /><select idref="V-257961" selected="true" /><select idref="V-257962" selected="true" /><select idref="V-257963" selected="true" /><select idref="V-257964" selected="true" /><select idref="V-257965" selected="true" /><select idref="V-257966" selected="true" /><select idref="V-257967" selected="true" /><select idref="V-257968" selected="true" /><select idref="V-257969" selected="true" /><select idref="V-257970" selected="true" /><select idref="V-257971" selected="true" /><select idref="V-257972" selected="true" /><select idref="V-257973" selected="true" /><select idref="V-257974" selected="true" /><select idref="V-257975" selected="true" /><select idref="V-257976" selected="true" /><select idref="V-257977" selected="true" /><select idref="V-257978" selected="true" /><select idref="V-257979" selected="true" /><select idref="V-257980" selected="true" /><select idref="V-257981" selected="true" /><select idref="V-257982" selected="true" /><select idref="V-257983" selected="true" /><select idref="V-257984" selected="true" /><select idref="V-257985" selected="true" /><select idref="V-257986" selected="true" /><select idref="V-257987" selected="true" /><select idref="V-257988" selected="true" /><select idref="V-257989" selected="true" /><select idref="V-257990" selected="true" /><select idref="V-257991" selected="true" /><select idref="V-257992" selected="true" /><select idref="V-257993" selected="true" /><select idref="V-257994" selected="true" /><select idref="V-257995" selected="true" /><select idref="V-257996" selected="true" /><select idref="V-257997" selected="true" /><select idref="V-257998" selected="true" /><select idref="V-257999" selected="true" /><select idref="V-258000" selected="true" /><select idref="V-258001" selected="true" /><select idref="V-258002" selected="true" /><select idref="V-258003" selected="true" /><select idref="V-258004" selected="true" /><select idref="V-258005" selected="true" /><select idref="V-258006" selected="true" /><select idref="V-258007" selected="true" /><select idref="V-258008" selected="true" /><select idref="V-258009" selected="true" /><select idref="V-258010" selected="true" /><select idref="V-258011" selected="true" /><select idref="V-258012" selected="true" /><select idref="V-258013" selected="true" /><select idref="V-258014" selected="true" /><select idref="V-258015" selected="true" /><select idref="V-258016" selected="true" /><select idref="V-258017" selected="true" /><select idref="V-258018" selected="true" /><select idref="V-258019" selected="true" /><select idref="V-258020" selected="true" /><select idref="V-258021" selected="true" /><select idref="V-258022" selected="true" /><select idref="V-258023" selected="true" /><select idref="V-258024" selected="true" /><select idref="V-258025" selected="true" /><select idref="V-258026" selected="true" /><select idref="V-258027" selected="true" /><select idref="V-258028" selected="true" /><select idref="V-258029" selected="true" /><select idref="V-258030" selected="true" /><select idref="V-258031" selected="true" /><select idref="V-258032" selected="true" /><select idref="V-258033" selected="true" /><select idref="V-258034" selected="true" /><select idref="V-258035" selected="true" /><select idref="V-258036" selected="true" /><select idref="V-258037" selected="true" /><select idref="V-258038" selected="true" /><select idref="V-258039" selected="true" /><select idref="V-258040" selected="true" /><select idref="V-258041" selected="true" /><select idref="V-258042" selected="true" /><select idref="V-258043" selected="true" /><select idref="V-258044" selected="true" /><select idref="V-258045" selected="true" /><select idref="V-258046" selected="true" /><select idref="V-258047" selected="true" /><select idref="V-258048" selected="true" /><select idref="V-258049" selected="true" /><select idref="V-258050" selected="true" /><select idref="V-258051" selected="true" /><select idref="V-258052" selected="true" /><select idref="V-258053" selected="true" /><select idref="V-258054" selected="true" /><select idref="V-258055" selected="true" /><select idref="V-258056" selected="true" /><select idref="V-258057" selected="true" /><select idref="V-258058" selected="true" /><select idref="V-258059" selected="true" /><select idref="V-258060" selected="true" /><select idref="V-258061" selected="true" /><select idref="V-258062" selected="true" /><select idref="V-258063" selected="true" /><select idref="V-258064" selected="true" /><select idref="V-258065" selected="true" /><select idref="V-258066" selected="true" /><select idref="V-258067" selected="true" /><select idref="V-258068" selected="true" /><select idref="V-258069" selected="true" /><select idref="V-258070" selected="true" /><select idref="V-258071" selected="true" /><select idref="V-258072" selected="true" /><select idref="V-258073" selected="true" /><select idref="V-258074" selected="true" /><select idref="V-258075" selected="true" /><select idref="V-258076" selected="true" /><select idref="V-258077" selected="true" /><select idref="V-258078" selected="true" /><select idref="V-258079" selected="true" /><select idref="V-258080" selected="true" /><select idref="V-258081" selected="true" /><select idref="V-258082" selected="true" /><select idref="V-258083" selected="true" /><select idref="V-258084" selected="true" /><select idref="V-258085" selected="true" /><select idref="V-258086" selected="true" /><select idref="V-258087" selected="true" /><select idref="V-258088" selected="true" /><select idref="V-258089" selected="true" /><select idref="V-258090" selected="true" /><select idref="V-258091" selected="true" /><select idref="V-258092" selected="true" /><select idref="V-258093" selected="true" /><select idref="V-258094" selected="true" /><select idref="V-258095" selected="true" /><select idref="V-258096" selected="true" /><select idref="V-258097" selected="true" /><select idref="V-258098" selected="true" /><select idref="V-258099" selected="true" /><select idref="V-258100" selected="true" /><select idref="V-258101" selected="true" /><select idref="V-258102" selected="true" /><select idref="V-258103" selected="true" /><select idref="V-258104" selected="true" /><select idref="V-258105" selected="true" /><select idref="V-258106" selected="true" /><select idref="V-258107" selected="true" /><select idref="V-258108" selected="true" /><select idref="V-258109" selected="true" /><select idref="V-258110" selected="true" /><select idref="V-258111" selected="true" /><select idref="V-258112" selected="true" /><select idref="V-258113" selected="true" /><select idref="V-258114" selected="true" /><select idref="V-258115" selected="true" /><select idref="V-258116" selected="true" /><select idref="V-258117" selected="true" /><select idref="V-258118" selected="true" /><select idref="V-258119" selected="true" /><select idref="V-258120" selected="true" /><select idref="V-258121" selected="true" /><select idref="V-258122" selected="true" /><select idref="V-258123" selected="true" /><select idref="V-258124" selected="true" /><select idref="V-258125" selected="true" /><select idref="V-258126" selected="true" /><select idref="V-258127" selected="true" /><select idref="V-258128" selected="true" /><select idref="V-258129" selected="true" /><select idref="V-258130" selected="true" /><select idref="V-258131" selected="true" /><select idref="V-258132" selected="true" /><select idref="V-258133" selected="true" /><select idref="V-258134" selected="true" /><select idref="V-258135" selected="true" /><select idref="V-258136" selected="true" /><select idref="V-258137" selected="true" /><select idref="V-258138" selected="true" /><select idref="V-258139" selected="true" /><select idref="V-258140" selected="true" /><select idref="V-258141" selected="true" /><select idref="V-258142" selected="true" /><select idref="V-258143" selected="true" /><select idref="V-258144" selected="true" /><select idref="V-258145" selected="true" /><select idref="V-258146" selected="true" /><select idref="V-258147" selected="true" /><select idref="V-258148" selected="true" /><select idref="V-258149" selected="true" /><select idref="V-258150" selected="true" /><select idref="V-258151" selected="true" /><select idref="V-258152" selected="true" /><select idref="V-258153" selected="true" /><select idref="V-258154" selected="true" /><select idref="V-258155" selected="true" /><select idref="V-258156" selected="true" /><select idref="V-258157" selected="true" /><select idref="V-258158" selected="true" /><select idref="V-258159" selected="true" /><select idref="V-258160" selected="true" /><select idref="V-258161" selected="true" /><select idref="V-258162" selected="true" /><select idref="V-258163" selected="true" /><select idref="V-258164" selected="true" /><select idref="V-258165" selected="true" /><select idref="V-258166" selected="true" /><select idref="V-258167" selected="true" /><select idref="V-258168" selected="true" /><select idref="V-258169" selected="true" /><select idref="V-258170" selected="true" /><select idref="V-258171" selected="true" /><select idref="V-258172" selected="true" /><select idref="V-258173" selected="true" /><select idref="V-258174" selected="true" /><select idref="V-258175" selected="true" /><select idref="V-258176" selected="true" /><select idref="V-258177" selected="true" /><select idref="V-258178" selected="true" /><select idref="V-258179" selected="true" /><select idref="V-258180" selected="true" /><select idref="V-258181" selected="true" /><select idref="V-258182" selected="true" /><select idref="V-258183" selected="true" /><select idref="V-258184" selected="true" /><select idref="V-258185" selected="true" /><select idref="V-258186" selected="true" /><select idref="V-258187" selected="true" /><select idref="V-258188" selected="true" /><select idref="V-258189" selected="true" /><select idref="V-258190" selected="true" /><select idref="V-258191" selected="true" /><select idref="V-258192" selected="true" /><select idref="V-258193" selected="true" /><select idref="V-258194" selected="true" /><select idref="V-258195" selected="true" /><select idref="V-258196" selected="true" /><select idref="V-258197" selected="true" /><select idref="V-258198" selected="true" /><select idref="V-258199" selected="true" /><select idref="V-258200" selected="true" /><select idref="V-258201" selected="true" /><select idref="V-258202" selected="true" /><select idref="V-258203" selected="true" /><select idref="V-258204" selected="true" /><select idref="V-258205" selected="true" /><select idref="V-258206" selected="true" /><select idref="V-258207" selected="true" /><select idref="V-258208" selected="true" /><select idref="V-258209" selected="true" /><select idref="V-258210" selected="true" /><select idref="V-258211" selected="true" /><select idref="V-258212" selected="true" /><select idref="V-258213" selected="true" /><select idref="V-258214" selected="true" /><select idref="V-258215" selected="true" /><select idref="V-258216" selected="true" /><select idref="V-258217" selected="true" /><select idref="V-258218" selected="true" /><select idref="V-258219" selected="true" /><select idref="V-258220" selected="true" /><select idref="V-258221" selected="true" /><select idref="V-258222" selected="true" /><select idref="V-258223" selected="true" /><select idref="V-258224" selected="true" /><select idref="V-258225" selected="true" /><select idref="V-258226" selected="true" /><select idref="V-258227" selected="true" /><select idref="V-258228" selected="true" /><select idref="V-258229" selected="true" /><select idref="V-258230" selected="true" /><select idref="V-258231" selected="true" /><select idref="V-258232" selected="true" /><select idref="V-258233" selected="true" /><select idref="V-258234" selected="true" /><select idref="V-258235" selected="true" /><select idref="V-258236" selected="true" /><select idref="V-258237" selected="true" /><select idref="V-258238" selected="true" /><select idref="V-258239" selected="true" /><select idref="V-258240" selected="true" /><select idref="V-258241" selected="true" /><select idref="V-258242" selected="true" /></Profile><Profile id="MAC-2_Classified"><title>II - Mission Support Classified</title><description>&lt;ProfileDescription&gt;&lt;/ProfileDescription&gt;</description><select idref="V-257777" selected="true" /><select idref="V-257778" selected="true" /><select idref="V-257779" selected="true" /><select idref="V-257780" selected="true" /><select idref="V-257781" selected="true" /><select idref="V-257782" selected="true" /><select idref="V-257783" selected="true" /><select idref="V-257784" selected="true" /><select idref="V-257785" selected="true" /><select idref="V-257786" selected="true" /><select idref="V-257787" selected="true" /><select idref="V-257788" selected="true" /><select idref="V-257789" selected="true" /><select idref="V-257790" selected="true" /><select idref="V-257791" selected="true" /><select idref="V-257792" selected="true" /><select idref="V-257793" selected="true" /><select idref="V-257794" selected="true" /><select idref="V-257795" selected="true" /><select idref="V-257796" selected="true" /><select idref="V-257797" selected="true" 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idref="V-257844" selected="true" /><select idref="V-257845" selected="true" /><select idref="V-257846" selected="true" /><select idref="V-257847" selected="true" /><select idref="V-257848" selected="true" /><select idref="V-257849" selected="true" /><select idref="V-257850" selected="true" /><select idref="V-257851" selected="true" /><select idref="V-257852" selected="true" /><select idref="V-257853" selected="true" /><select idref="V-257854" selected="true" /><select idref="V-257855" selected="true" /><select idref="V-257856" selected="true" /><select idref="V-257857" selected="true" /><select idref="V-257858" selected="true" /><select idref="V-257859" selected="true" /><select idref="V-257860" selected="true" /><select idref="V-257861" selected="true" /><select idref="V-257862" selected="true" /><select idref="V-257863" selected="true" /><select idref="V-257864" selected="true" /><select idref="V-257865" selected="true" /><select idref="V-257866" selected="true" /><select 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idref="V-257936" selected="true" /><select idref="V-257937" selected="true" /><select idref="V-257938" selected="true" /><select idref="V-257939" selected="true" /><select idref="V-257940" selected="true" /><select idref="V-257941" selected="true" /><select idref="V-257942" selected="true" /><select idref="V-257943" selected="true" /><select idref="V-257944" selected="true" /><select idref="V-257945" selected="true" /><select idref="V-257946" selected="true" /><select idref="V-257947" selected="true" /><select idref="V-257948" selected="true" /><select idref="V-257949" selected="true" /><select idref="V-257950" selected="true" /><select idref="V-257951" selected="true" /><select idref="V-257952" selected="true" /><select idref="V-257953" selected="true" /><select idref="V-257954" selected="true" /><select idref="V-257955" selected="true" /><select idref="V-257956" selected="true" /><select idref="V-257957" selected="true" /><select idref="V-257958" selected="true" /><select 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idref="V-258097" selected="true" /><select idref="V-258098" selected="true" /><select idref="V-258099" selected="true" /><select idref="V-258100" selected="true" /><select idref="V-258101" selected="true" /><select idref="V-258102" selected="true" /><select idref="V-258103" selected="true" /><select idref="V-258104" selected="true" /><select idref="V-258105" selected="true" /><select idref="V-258106" selected="true" /><select idref="V-258107" selected="true" /><select idref="V-258108" selected="true" /><select idref="V-258109" selected="true" /><select idref="V-258110" selected="true" /><select idref="V-258111" selected="true" /><select idref="V-258112" selected="true" /><select idref="V-258113" selected="true" /><select idref="V-258114" selected="true" /><select idref="V-258115" selected="true" /><select idref="V-258116" selected="true" /><select idref="V-258117" selected="true" /><select idref="V-258118" selected="true" /><select idref="V-258119" selected="true" /><select 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idref="V-258189" selected="true" /><select idref="V-258190" selected="true" /><select idref="V-258191" selected="true" /><select idref="V-258192" selected="true" /><select idref="V-258193" selected="true" /><select idref="V-258194" selected="true" /><select idref="V-258195" selected="true" /><select idref="V-258196" selected="true" /><select idref="V-258197" selected="true" /><select idref="V-258198" selected="true" /><select idref="V-258199" selected="true" /><select idref="V-258200" selected="true" /><select idref="V-258201" selected="true" /><select idref="V-258202" selected="true" /><select idref="V-258203" selected="true" /><select idref="V-258204" selected="true" /><select idref="V-258205" selected="true" /><select idref="V-258206" selected="true" /><select idref="V-258207" selected="true" /><select idref="V-258208" selected="true" /><select idref="V-258209" selected="true" /><select idref="V-258210" selected="true" /><select idref="V-258211" selected="true" /><select idref="V-258212" selected="true" /><select idref="V-258213" selected="true" /><select idref="V-258214" selected="true" /><select idref="V-258215" selected="true" /><select idref="V-258216" selected="true" /><select idref="V-258217" selected="true" /><select idref="V-258218" selected="true" /><select idref="V-258219" selected="true" /><select idref="V-258220" selected="true" /><select idref="V-258221" selected="true" /><select idref="V-258222" selected="true" /><select idref="V-258223" selected="true" /><select idref="V-258224" selected="true" /><select idref="V-258225" selected="true" /><select idref="V-258226" selected="true" /><select idref="V-258227" selected="true" /><select idref="V-258228" selected="true" /><select idref="V-258229" selected="true" /><select idref="V-258230" selected="true" /><select idref="V-258231" selected="true" /><select idref="V-258232" selected="true" /><select idref="V-258233" selected="true" /><select idref="V-258234" selected="true" /><select 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idref="V-258216" selected="true" /><select idref="V-258217" selected="true" /><select idref="V-258218" selected="true" /><select idref="V-258219" selected="true" /><select idref="V-258220" selected="true" /><select idref="V-258221" selected="true" /><select idref="V-258222" selected="true" /><select idref="V-258223" selected="true" /><select idref="V-258224" selected="true" /><select idref="V-258225" selected="true" /><select idref="V-258226" selected="true" /><select idref="V-258227" selected="true" /><select idref="V-258228" selected="true" /><select idref="V-258229" selected="true" /><select idref="V-258230" selected="true" /><select idref="V-258231" selected="true" /><select idref="V-258232" selected="true" /><select idref="V-258233" selected="true" /><select idref="V-258234" selected="true" /><select idref="V-258235" selected="true" /><select idref="V-258236" selected="true" /><select idref="V-258237" selected="true" /><select idref="V-258238" selected="true" /><select 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selected="true" /><select idref="V-257935" selected="true" /><select idref="V-257936" selected="true" /><select idref="V-257937" selected="true" /><select idref="V-257938" selected="true" /><select idref="V-257939" selected="true" /><select idref="V-257940" selected="true" /><select idref="V-257941" selected="true" /><select idref="V-257942" selected="true" /><select idref="V-257943" selected="true" /><select idref="V-257944" selected="true" /><select idref="V-257945" selected="true" /><select idref="V-257946" selected="true" /><select idref="V-257947" selected="true" /><select idref="V-257948" selected="true" /><select idref="V-257949" selected="true" /><select idref="V-257950" selected="true" /><select idref="V-257951" selected="true" /><select idref="V-257952" selected="true" /><select idref="V-257953" selected="true" /><select idref="V-257954" selected="true" /><select idref="V-257955" selected="true" /><select idref="V-257956" selected="true" /><select idref="V-257957" selected="true" /><select idref="V-257958" selected="true" /><select idref="V-257959" selected="true" /><select idref="V-257960" selected="true" /><select idref="V-257961" selected="true" /><select idref="V-257962" selected="true" /><select idref="V-257963" selected="true" /><select idref="V-257964" selected="true" /><select idref="V-257965" selected="true" /><select idref="V-257966" selected="true" /><select idref="V-257967" selected="true" /><select idref="V-257968" selected="true" /><select idref="V-257969" selected="true" /><select idref="V-257970" selected="true" /><select idref="V-257971" selected="true" /><select idref="V-257972" selected="true" /><select idref="V-257973" selected="true" /><select idref="V-257974" selected="true" /><select idref="V-257975" selected="true" /><select idref="V-257976" selected="true" /><select idref="V-257977" selected="true" /><select idref="V-257978" selected="true" /><select idref="V-257979" selected="true" /><select idref="V-257980" selected="true" /><select idref="V-257981" selected="true" /><select idref="V-257982" selected="true" /><select idref="V-257983" selected="true" /><select idref="V-257984" selected="true" /><select idref="V-257985" selected="true" /><select idref="V-257986" selected="true" /><select idref="V-257987" selected="true" /><select idref="V-257988" selected="true" /><select idref="V-257989" selected="true" /><select idref="V-257990" selected="true" /><select idref="V-257991" selected="true" /><select idref="V-257992" selected="true" /><select idref="V-257993" selected="true" /><select idref="V-257994" selected="true" /><select idref="V-257995" selected="true" /><select idref="V-257996" selected="true" /><select idref="V-257997" selected="true" /><select idref="V-257998" selected="true" /><select idref="V-257999" selected="true" /><select idref="V-258000" selected="true" /><select idref="V-258001" selected="true" /><select idref="V-258002" selected="true" /><select idref="V-258003" selected="true" /><select idref="V-258004" selected="true" /><select idref="V-258005" selected="true" /><select idref="V-258006" selected="true" /><select idref="V-258007" selected="true" /><select idref="V-258008" selected="true" /><select idref="V-258009" selected="true" /><select idref="V-258010" selected="true" /><select idref="V-258011" selected="true" /><select idref="V-258012" selected="true" /><select idref="V-258013" selected="true" /><select idref="V-258014" selected="true" /><select idref="V-258015" selected="true" /><select idref="V-258016" selected="true" /><select idref="V-258017" selected="true" /><select idref="V-258018" selected="true" /><select idref="V-258019" selected="true" /><select idref="V-258020" selected="true" /><select idref="V-258021" selected="true" /><select idref="V-258022" selected="true" /><select idref="V-258023" selected="true" /><select idref="V-258024" selected="true" /><select idref="V-258025" selected="true" /><select idref="V-258026" selected="true" /><select idref="V-258027" selected="true" /><select idref="V-258028" selected="true" /><select idref="V-258029" selected="true" /><select idref="V-258030" selected="true" /><select idref="V-258031" selected="true" /><select idref="V-258032" selected="true" /><select idref="V-258033" selected="true" /><select idref="V-258034" selected="true" /><select idref="V-258035" selected="true" /><select idref="V-258036" selected="true" /><select idref="V-258037" selected="true" /><select idref="V-258038" selected="true" /><select idref="V-258039" selected="true" /><select idref="V-258040" selected="true" /><select idref="V-258041" selected="true" /><select idref="V-258042" selected="true" /><select idref="V-258043" selected="true" /><select idref="V-258044" selected="true" /><select idref="V-258045" selected="true" /><select idref="V-258046" selected="true" /><select idref="V-258047" selected="true" /><select idref="V-258048" selected="true" /><select idref="V-258049" selected="true" /><select idref="V-258050" selected="true" /><select idref="V-258051" selected="true" /><select idref="V-258052" selected="true" /><select idref="V-258053" selected="true" /><select idref="V-258054" selected="true" /><select idref="V-258055" selected="true" /><select idref="V-258056" selected="true" /><select idref="V-258057" selected="true" /><select idref="V-258058" selected="true" /><select idref="V-258059" selected="true" /><select idref="V-258060" selected="true" /><select idref="V-258061" selected="true" /><select idref="V-258062" selected="true" /><select idref="V-258063" selected="true" /><select idref="V-258064" selected="true" /><select idref="V-258065" selected="true" /><select idref="V-258066" selected="true" /><select idref="V-258067" selected="true" /><select idref="V-258068" selected="true" /><select idref="V-258069" selected="true" /><select idref="V-258070" selected="true" /><select idref="V-258071" selected="true" /><select idref="V-258072" selected="true" /><select idref="V-258073" selected="true" /><select idref="V-258074" selected="true" /><select idref="V-258075" selected="true" /><select idref="V-258076" selected="true" /><select idref="V-258077" selected="true" /><select idref="V-258078" selected="true" /><select idref="V-258079" selected="true" /><select idref="V-258080" selected="true" /><select idref="V-258081" selected="true" /><select idref="V-258082" selected="true" /><select idref="V-258083" selected="true" /><select idref="V-258084" selected="true" /><select idref="V-258085" selected="true" /><select idref="V-258086" selected="true" /><select idref="V-258087" selected="true" /><select idref="V-258088" selected="true" /><select idref="V-258089" selected="true" /><select idref="V-258090" selected="true" /><select idref="V-258091" selected="true" /><select idref="V-258092" selected="true" /><select idref="V-258093" selected="true" /><select idref="V-258094" selected="true" /><select idref="V-258095" selected="true" /><select idref="V-258096" selected="true" /><select idref="V-258097" selected="true" /><select idref="V-258098" selected="true" /><select idref="V-258099" selected="true" /><select idref="V-258100" selected="true" /><select idref="V-258101" selected="true" /><select idref="V-258102" selected="true" /><select idref="V-258103" selected="true" /><select idref="V-258104" selected="true" /><select idref="V-258105" selected="true" /><select idref="V-258106" selected="true" /><select idref="V-258107" selected="true" /><select idref="V-258108" selected="true" /><select idref="V-258109" selected="true" /><select idref="V-258110" selected="true" /><select idref="V-258111" selected="true" /><select idref="V-258112" selected="true" /><select idref="V-258113" selected="true" /><select idref="V-258114" selected="true" /><select idref="V-258115" selected="true" /><select idref="V-258116" selected="true" /><select idref="V-258117" selected="true" /><select idref="V-258118" selected="true" /><select idref="V-258119" selected="true" /><select idref="V-258120" selected="true" /><select idref="V-258121" selected="true" /><select idref="V-258122" selected="true" /><select idref="V-258123" selected="true" /><select idref="V-258124" selected="true" /><select idref="V-258125" selected="true" /><select idref="V-258126" selected="true" /><select idref="V-258127" selected="true" /><select idref="V-258128" selected="true" /><select idref="V-258129" selected="true" /><select idref="V-258130" selected="true" /><select idref="V-258131" selected="true" /><select idref="V-258132" selected="true" /><select idref="V-258133" selected="true" /><select idref="V-258134" selected="true" /><select idref="V-258135" selected="true" /><select idref="V-258136" selected="true" /><select idref="V-258137" selected="true" /><select idref="V-258138" selected="true" /><select idref="V-258139" selected="true" /><select idref="V-258140" selected="true" /><select idref="V-258141" selected="true" /><select idref="V-258142" selected="true" /><select idref="V-258143" selected="true" /><select idref="V-258144" selected="true" /><select idref="V-258145" selected="true" /><select idref="V-258146" selected="true" /><select idref="V-258147" selected="true" /><select idref="V-258148" selected="true" /><select idref="V-258149" selected="true" /><select idref="V-258150" selected="true" /><select idref="V-258151" selected="true" /><select idref="V-258152" selected="true" /><select idref="V-258153" selected="true" /><select idref="V-258154" selected="true" /><select idref="V-258155" selected="true" /><select idref="V-258156" selected="true" /><select idref="V-258157" selected="true" /><select idref="V-258158" selected="true" /><select idref="V-258159" selected="true" /><select idref="V-258160" selected="true" /><select idref="V-258161" selected="true" /><select idref="V-258162" selected="true" /><select idref="V-258163" selected="true" /><select idref="V-258164" selected="true" /><select idref="V-258165" selected="true" /><select idref="V-258166" selected="true" /><select idref="V-258167" selected="true" /><select idref="V-258168" selected="true" /><select idref="V-258169" selected="true" /><select idref="V-258170" selected="true" /><select idref="V-258171" selected="true" /><select idref="V-258172" selected="true" /><select idref="V-258173" selected="true" /><select idref="V-258174" selected="true" /><select idref="V-258175" selected="true" /><select idref="V-258176" selected="true" /><select idref="V-258177" selected="true" /><select idref="V-258178" selected="true" /><select idref="V-258179" selected="true" /><select idref="V-258180" selected="true" /><select idref="V-258181" selected="true" /><select idref="V-258182" selected="true" /><select idref="V-258183" selected="true" /><select idref="V-258184" selected="true" /><select idref="V-258185" selected="true" /><select idref="V-258186" selected="true" /><select idref="V-258187" selected="true" /><select idref="V-258188" selected="true" /><select idref="V-258189" selected="true" /><select idref="V-258190" selected="true" /><select idref="V-258191" selected="true" /><select idref="V-258192" selected="true" /><select idref="V-258193" selected="true" /><select idref="V-258194" selected="true" /><select idref="V-258195" selected="true" /><select idref="V-258196" selected="true" /><select idref="V-258197" selected="true" /><select idref="V-258198" selected="true" /><select idref="V-258199" selected="true" /><select idref="V-258200" selected="true" /><select idref="V-258201" selected="true" /><select idref="V-258202" selected="true" /><select idref="V-258203" selected="true" /><select idref="V-258204" selected="true" /><select idref="V-258205" selected="true" /><select idref="V-258206" selected="true" /><select idref="V-258207" selected="true" /><select idref="V-258208" selected="true" /><select idref="V-258209" selected="true" /><select idref="V-258210" selected="true" /><select idref="V-258211" selected="true" /><select idref="V-258212" selected="true" /><select idref="V-258213" selected="true" /><select idref="V-258214" selected="true" /><select idref="V-258215" selected="true" /><select idref="V-258216" selected="true" /><select idref="V-258217" selected="true" /><select idref="V-258218" selected="true" /><select idref="V-258219" selected="true" /><select idref="V-258220" selected="true" /><select idref="V-258221" selected="true" /><select idref="V-258222" selected="true" /><select idref="V-258223" selected="true" /><select idref="V-258224" selected="true" /><select idref="V-258225" selected="true" /><select idref="V-258226" selected="true" /><select idref="V-258227" selected="true" /><select idref="V-258228" selected="true" /><select idref="V-258229" selected="true" /><select idref="V-258230" selected="true" /><select idref="V-258231" selected="true" /><select idref="V-258232" selected="true" /><select idref="V-258233" selected="true" /><select idref="V-258234" selected="true" /><select idref="V-258235" selected="true" /><select idref="V-258236" selected="true" /><select idref="V-258237" selected="true" /><select idref="V-258238" selected="true" /><select idref="V-258239" selected="true" /><select idref="V-258240" selected="true" /><select idref="V-258241" selected="true" /><select idref="V-258242" selected="true" /></Profile><Group id="V-257777"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257777r925318_rule" weight="10.0" severity="high"><version>RHEL-09-211010</version><title>RHEL 9 must be a vendor-supported release.</title><description>&lt;VulnDiscussion&gt;An operating system release is considered "supported" if the vendor continues to provide security patches for the product. With an unsupported release, it will not be possible to resolve security issues discovered in the system software.
+
+Red Hat offers the Extended Update Support (EUS) add-on to a Red Hat Enterprise Linux subscription, for a fee, for those customers who wish to standardize on a specific minor release for an extended period.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61442r925317_fix">Upgrade to a supported version of RHEL 9.</fixtext><fix id="F-61442r925317_fix" /><check system="C-61518r925316_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the version or RHEL 9 is vendor supported with the following command:
+
+$ cat /etc/redhat-release 
+
+Red Hat Enterprise Linux release 9.2 (Plow)
+
+If the installed version of RHEL 9 is not supported, this is a finding.</check-content></check></Rule></Group><Group id="V-257778"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257778r925321_rule" weight="10.0" severity="medium"><version>RHEL-09-211015</version><title>RHEL 9 vendor packaged system security patches and updates must be installed and up to date.</title><description>&lt;VulnDiscussion&gt;Installing software updates is a fundamental mitigation against the exploitation of publicly known vulnerabilities. If the most recent security patches and updates are not installed, unauthorized users may take advantage of weaknesses in the unpatched software. The lack of prompt attention to patching could result in a system compromise.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61443r925320_fix">Install RHEL 9 security patches and updates at the organizationally defined frequency. If system updates are installed via a centralized repository that is configured on the system, all updates can be installed with the following command:
+
+$ sudo dnf update</fixtext><fix id="F-61443r925320_fix" /><check system="C-61519r925319_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 security patches and updates are installed and up to date. Updates are required to be applied with a frequency determined by organizational policy.
+
+Obtain the list of available package security updates from Red Hat. The URL for updates is https://access.redhat.com/errata-search/. It is important to note that updates provided by Red Hat may not be present on the system if the underlying packages are not installed.
+
+Check that the available package security updates have been installed on the system with the following command:
+
+$ dnf history list | more
+
+    ID | Command line | Date and time | Action(s) | Altered    
+-------------------------------------------------------------------------------    
+   70 | install aide | 2023-03-05 10:58 | Install | 1    
+   69 | update -y | 2023-03-04 14:34 | Update | 18 EE    
+   68 | install vlc | 2023-02-21 17:12 | Install | 21   
+   67 | update -y | 2023-02-21 17:04 | Update | 7 EE 
+
+Typical update frequency may be overridden by Information Assurance Vulnerability Alert (IAVA) notifications from CYBERCOM.
+
+If the system is in noncompliance with the organizational patching policy, this is a finding.</check-content></check></Rule></Group><Group id="V-257779"><title>SRG-OS-000023-GPOS-00006</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257779r925324_rule" weight="10.0" severity="medium"><version>RHEL-09-211020</version><title>RHEL 9 must display the Standard Mandatory DOD Notice and Consent Banner before granting local or remote access to the system via a command line user logon.</title><description>&lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.
+
+System use notifications are required only for access via login interfaces with human users and are not required when such human interfaces do not exist.
+
+Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000228-GPOS-00088&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000048</ident><ident system="http://cyber.mil/cci">CCI-001384</ident><ident system="http://cyber.mil/cci">CCI-001385</ident><ident system="http://cyber.mil/cci">CCI-001386</ident><ident system="http://cyber.mil/cci">CCI-001387</ident><ident system="http://cyber.mil/cci">CCI-001388</ident><fixtext fixref="F-61444r925323_fix">Configure RHEL 9 to display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system via command line logon.
+
+Edit the "/etc/issue" file to replace the default text with the Standard Mandatory DOD Notice and Consent Banner. The DOD-required text is:
+
+"You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only.
+
+By using this IS (which includes any device attached to this IS), you consent to the following conditions:
+
+-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.
+
+-At any time, the USG may inspect and seize data stored on this IS.
+
+-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.
+
+-This IS includes security measures (e.g., authentication and access controls) to protect USG interests -- not for your personal benefit or privacy.
+
+-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details."</fixtext><fix id="F-61444r925323_fix" /><check system="C-61520r925322_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 displays the Standard Mandatory DOD Notice and Consent Banner before granting access to the operating system via a command line user logon.
+
+Check that a banner is displayed at the command line login screen with the following command:
+
+$ sudo cat /etc/issue
+
+If the banner is set correctly it will return the following text:
+
+"You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only.
+
+By using this IS (which includes any device attached to this IS), you consent to the following conditions:
+
+-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.
+
+-At any time, the USG may inspect and seize data stored on this IS.
+
+-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.
+
+-This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not for your personal benefit or privacy.
+
+-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details."
+
+If the banner text does not match the Standard Mandatory DOD Notice and Consent Banner exactly, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257780"><title>SRG-OS-000191-GPOS-00080</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257780r925327_rule" weight="10.0" severity="medium"><version>RHEL-09-211025</version><title>RHEL 9 must implement the Endpoint Security for Linux Threat Prevention tool.</title><description>&lt;VulnDiscussion&gt;Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis, the operating system or other system components may remain vulnerable to the exploits presented by undetected software flaws.
+
+To support this requirement, the operating system may have an integrated solution incorporating continuous scanning using ESS and periodic scanning using other tools, as specified in the requirement.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001233</ident><fixtext fixref="F-61445r925326_fix">Install and enable the latest McAfee ENSLTP package.</fixtext><fix id="F-61445r925326_fix" /><check system="C-61521r925325_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has implemented the Endpoint Security for Linux Threat Prevention tool.
+
+Check that the following package has been installed:
+
+$ sudo rpm -qa | grep -i mcafeetp
+
+If the "mcafeetp" package is not installed, this is a finding.
+
+Verify that the daemon is running:
+
+$ sudo ps -ef | grep -i mfetpd
+
+If the daemon is not running, this is a finding.</check-content></check></Rule></Group><Group id="V-257781"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257781r925330_rule" weight="10.0" severity="medium"><version>RHEL-09-211030</version><title>The graphical display manager must not be the default target on RHEL 9 unless approved.</title><description>&lt;VulnDiscussion&gt;Unnecessary service packages must not be installed to decrease the attack surface of the system. Graphical display managers have a long history of security vulnerabilities and must not be used, unless approved and documented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61446r925329_fix">Document the requirement for a graphical user interface with the ISSO or set the default target to multi-user with the following command:
+
+$ sudo systemctl set-default multi-user.target</fixtext><fix id="F-61446r925329_fix" /><check system="C-61522r925328_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to boot to the command line:
+
+$ systemctl get-default
+
+multi-user.target
+
+If the system default target is not set to "multi-user.target" and the information system security officer (ISSO) lacks a documented requirement for a graphical user interface, this is a finding.</check-content></check></Rule></Group><Group id="V-257782"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257782r925333_rule" weight="10.0" severity="low"><version>RHEL-09-211035</version><title>RHEL 9 must enable the hardware random number generator entropy gatherer service.</title><description>&lt;VulnDiscussion&gt;The most important characteristic of a random number generator is its randomness, namely its ability to deliver random numbers that are impossible to predict. Entropy in computer security is associated with the unpredictability of a source of randomness. The random source with high entropy tends to achieve a uniform distribution of random values. Random number generators are one of the most important building blocks of cryptosystems.  
+
+The rngd service feeds random data from hardware device to kernel random device. Quality (nonpredictable) random number generation is important for several security functions (i.e., ciphers).&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61447r925332_fix">Install the rng-tools package with the following command:
+
+$ sudo dnf install rng-tools
+
+Then enable the rngd service run the following command:
+
+$ sudo systemctl enable --now rngd</fixtext><fix id="F-61447r925332_fix" /><check system="C-61523r925331_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has enabled the hardware random number generator entropy gatherer service with the following command:
+
+$ systemctl is-active rngd
+
+active
+
+If the "rngd" service is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-257783"><title>SRG-OS-000269-GPOS-00103</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257783r925336_rule" weight="10.0" severity="medium"><version>RHEL-09-211040</version><title>RHEL 9 systemd-journald service must be enabled.</title><description>&lt;VulnDiscussion&gt;In the event of a system failure, RHEL 9 must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to system processes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001665</ident><fixtext fixref="F-61448r925335_fix">To enable the systemd-journald service, run the following command:
+
+$ sudo systemctl enable --now systemd-journald</fixtext><fix id="F-61448r925335_fix" /><check system="C-61524r925334_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "systemd-journald" is active with the following command:
+
+$ systemctl is-active systemd-journald
+
+active
+
+If the systemd-journald service is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-257784"><title>SRG-OS-000324-GPOS-00125</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257784r925339_rule" weight="10.0" severity="high"><version>RHEL-09-211045</version><title>The systemd Ctrl-Alt-Delete burst key sequence in RHEL 9 must be disabled.</title><description>&lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete when at the console can reboot the system. If accidentally pressed, as could happen in the case of a mixed OS environment, this can create the risk of short-term loss of availability of systems due to unintentional reboot. In a graphical user environment, risk of unintentional reboot from the Ctrl-Alt-Delete sequence is reduced because the user will be prompted before any action is taken.
+
+Satisfies: SRG-OS-000324-GPOS-00125, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61449r925338_fix">Configure the system to disable the CtrlAltDelBurstAction by added or modifying the following line in the "/etc/systemd/system.conf" configuration file:
+
+CtrlAltDelBurstAction=none
+
+Reload the daemon for this change to take effect.
+
+$ sudo systemctl daemon-reload</fixtext><fix id="F-61449r925338_fix" /><check system="C-61525r925337_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to not reboot the system when Ctrl-Alt-Delete is pressed seven times within two seconds with the following command:
+
+$ grep -i ctrl /etc/systemd/system.conf
+
+CtrlAltDelBurstAction=none
+
+If the "CtrlAltDelBurstAction" is not set to "none", commented out, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257785"><title>SRG-OS-000324-GPOS-00125</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257785r925342_rule" weight="10.0" severity="high"><version>RHEL-09-211050</version><title>The x86 Ctrl-Alt-Delete key sequence must be disabled on RHEL 9.</title><description>&lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete when at the console can reboot the system. If accidentally pressed, as could happen in the case of a mixed OS environment, this can create the risk of short-term loss of availability of systems due to unintentional reboot. In a graphical user environment, risk of unintentional reboot from the Ctrl-Alt-Delete sequence is reduced because the user will be prompted before any action is taken.
+
+Satisfies: SRG-OS-000324-GPOS-00125, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61450r925341_fix">Configure RHEL 9 to disable the ctrl-alt-del.target with the following command:
+
+$ sudo systemctl disable --now ctrl-alt-del.target
+$ sudo systemctl mask --now ctrl-alt-del.target</fixtext><fix id="F-61450r925341_fix" /><check system="C-61526r925340_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is not configured to reboot the system when Ctrl-Alt-Delete is pressed with the following command:
+
+$ sudo systemctl status ctrl-alt-del.target
+
+ctrl-alt-del.target
+Loaded: masked (Reason: Unit ctrl-alt-del.target is masked.)
+Active: inactive (dead)
+
+If the "ctrl-alt-del.target" is loaded and not masked, this is a finding.</check-content></check></Rule></Group><Group id="V-257786"><title>SRG-OS-000324-GPOS-00125</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257786r925345_rule" weight="10.0" severity="medium"><version>RHEL-09-211055</version><title>RHEL 9 debug-shell systemd service must be disabled.</title><description>&lt;VulnDiscussion&gt;The debug-shell requires no authentication and provides root privileges to anyone who has physical access to the machine. While this feature is disabled by default, masking it adds an additional layer of assurance that it will not be enabled via a dependency in systemd. This also prevents attackers with physical access from trivially bypassing security on the machine through valid troubleshooting configurations and gaining root access when the system is rebooted.
+
+Satisfies: SRG-OS-000324-GPOS-00125, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61451r925344_fix">Configure RHEL 9 to mask the debug-shell systemd service with the following command:
+
+$ sudo systemctl disable --now debug-shell.target
+$ sudo systemctl mask --now debug-shell.target</fixtext><fix id="F-61451r925344_fix" /><check system="C-61527r925343_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to mask the debug-shell systemd service with the following command:
+
+$ sudo systemctl status debug-shell.service
+
+debug-shell.service
+Loaded: masked (Reason: Unit debug-shell.service is masked.)
+Active: inactive (dead)
+
+If the "debug-shell.service" is loaded and not masked, this is a finding.</check-content></check></Rule></Group><Group id="V-257787"><title>SRG-OS-000080-GPOS-00048</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257787r925348_rule" weight="10.0" severity="medium"><version>RHEL-09-212010</version><title>RHEL 9 must require a boot loader superuser password.</title><description>&lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-approved PKIs, all DOD systems (e.g., web servers and web portals) must be properly configured to incorporate access control methods that do not rely solely on the possession of a certificate for access. Successful authentication must not automatically give an entity access to an asset or security boundary. Authorization procedures and controls must be implemented to ensure each authenticated entity also has a validated and current authorization. Authorization is the process of determining whether an entity, once authenticated, is permitted to access a specific asset. Information systems use access control policies and enforcement mechanisms to implement this requirement.
+
+Password protection on the boot loader configuration ensures users with physical access cannot trivially alter important bootloader settings. These include which kernel to use, and whether to enter single-user mode.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000213</ident><fixtext fixref="F-61452r925347_fix">Configure RHEL 9 to require a grub bootloader password for the grub superuser account.
+
+Generate an encrypted grub2 password for the grub superuser account with the following command:
+
+$ sudo grub2-setpassword
+Enter password:
+Confirm password:</fixtext><fix id="F-61452r925347_fix" /><check system="C-61528r925346_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the boot loader superuser password has been set and run the following command:
+
+$ sudo grep "superusers" /etc/grub2.cfg 
+
+password_pbkdf2  superusers-account   ${GRUB2_PASSWORD}  
+
+To verify the boot loader superuser account password has been set, and the password encrypted, run the following command:
+
+$ sudo cat /boot/grub2/user.cfg 
+
+GRUB2_PASSWORD=grub.pbkdf2.sha512.10000.C4E08AC72FBFF7E837FD267BFAD7AEB3D42DDC
+2C99F2A94DD5E2E75C2DC331B719FE55D9411745F82D1B6CFD9E927D61925F9BBDD1CFAA0080E0
+916F7AB46E0D.1302284FCCC52CD73BA3671C6C12C26FF50BA873293B24EE2A96EE3B57963E6D7
+0C83964B473EC8F93B07FE749AA6710269E904A9B08A6BBACB00A2D242AD828 
+
+If a "GRUB2_PASSWORD" is not set, this is a finding.</check-content></check></Rule></Group><Group id="V-257788"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257788r925351_rule" weight="10.0" severity="medium"><version>RHEL-09-212015</version><title>RHEL 9 must disable the ability of systemd to spawn an interactive boot process.</title><description>&lt;VulnDiscussion&gt;Using interactive or recovery boot, the console user could disable auditing, firewalls, or other services, weakening system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61453r925350_fix">Configure RHEL 9 to allocate sufficient audit_backlog_limit to disable the ability of systemd to spawn an interactive boot process with the following command:
+
+$ sudo grubby --update-kernel=ALL --remove-args="systemd.confirm_spawn"</fixtext><fix id="F-61453r925350_fix" /><check system="C-61529r925349_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that GRUB 2 is configured to disable interactive boot.
+
+Check that the current GRUB 2 configuration disables the ability of systemd to spawn an interactive boot process with the following command:
+
+$ sudo grubby --info=ALL | grep args | grep 'systemd.confirm_spawn'
+
+If any output is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257789"><title>SRG-OS-000080-GPOS-00048</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257789r925354_rule" weight="10.0" severity="high"><version>RHEL-09-212020</version><title>RHEL 9 must require a unique superusers name upon booting into single-user and maintenance modes.</title><description>&lt;VulnDiscussion&gt;Having a nondefault grub superuser username makes password-guessing attacks less effective.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000213</ident><fixtext fixref="F-61454r925353_fix">Configure RHEL 9 to have a unique username for the grub superuser account.
+
+Edit the "/etc/grub.d/01_users" file and add or modify the following lines in the "### BEGIN /etc/grub.d/01_users ###" section:
+
+set superusers="superusers-account"
+export superusers
+
+Once the superuser account has been added, update the grub.cfg file by running:
+
+$ sudo grubby --update-kernel=ALL'</fixtext><fix id="F-61454r925353_fix" /><check system="C-61530r925352_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the boot loader superuser account has been set with the following command:
+
+$ sudo grep -A1 "superusers" /etc/grub2.cfg 
+
+ set superusers="&lt;superusers-account&gt;"
+export superusers
+ 
+The &lt;superusers-account&gt; is the actual account name different from common names like root, admin, or administrator.
+
+If superusers contains easily guessable usernames, this is a finding.</check-content></check></Rule></Group><Group id="V-257790"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257790r925357_rule" weight="10.0" severity="medium"><version>RHEL-09-212025</version><title>RHEL 9 /boot/grub2/grub.cfg file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "root" group is a highly privileged group. Furthermore, the group-owner of this file should not have any access privileges anyway.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61455r925356_fix">Change the group of the file /boot/grub2/grub.cfg to root by running the following command:
+
+$ sudo chgrp root /boot/grub2/grub.cfg</fixtext><fix id="F-61455r925356_fix" /><check system="C-61531r925355_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/boot/grub2/grub.cfg" file with the following command:
+
+$ sudo stat -c "%G %n" /boot/grub2/grub.cfg 
+
+root /boot/grub2/grub.cfg
+
+If "/boot/grub2/grub.cfg" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257791"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257791r925360_rule" weight="10.0" severity="medium"><version>RHEL-09-212030</version><title>RHEL 9 /boot/grub2/grub.cfg file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The " /boot/grub2/grub.cfg" file stores sensitive system configuration. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61456r925359_fix">Change the owner of the file /boot/grub2/grub.cfg to root by running the following command:
+
+$ sudo chown root /boot/grub2/grub.cfg</fixtext><fix id="F-61456r925359_fix" /><check system="C-61532r925358_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/boot/grub2/grub.cfg" file with the following command:
+
+$ sudo stat -c "%U %n" /boot/grub2/grub.cfg 
+
+root /boot/grub2/grub.cfg 
+
+If "/boot/grub2/grub.cfg" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257792"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257792r925363_rule" weight="10.0" severity="medium"><version>RHEL-09-212035</version><title>RHEL 9 must disable virtual system calls.</title><description>&lt;VulnDiscussion&gt;System calls are special routines in the Linux kernel, which userspace applications ask to do privileged tasks. Invoking a system call is an expensive operation because the processor must interrupt the currently executing task and switch context to kernel mode and then back to userspace after the system call completes. Virtual system calls map into user space a page that contains some variables and the implementation of some system calls. This allows the system calls to be executed in userspace to alleviate the context switching expense.
+
+Virtual system calls provide an opportunity of attack for a user who has control of the return instruction pointer. Disabling virtual system calls help to prevent return oriented programming (ROP) attacks via buffer overflows and overruns. If the system intends to run containers based on RHEL 6 components, then virtual system calls will need enabled so the components function properly.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000134-GPOS-00068&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001084</ident><fixtext fixref="F-61457r925362_fix">Document the use of virtual system calls with the ISSO as an operational requirement or disable them with the following command:
+
+$ sudo grubby --update-kernel=ALL --args="vsyscall=none"
+
+Add or modify the following line in "/etc/default/grub" to ensure the configuration survives kernel updates:
+
+GRUB_CMDLINE_LINUX="vsyscall=none"</fixtext><fix id="F-61457r925362_fix" /><check system="C-61533r925361_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the current GRUB 2 configuration disables virtual system calls with the following command:
+
+$ sudo grubby --info=ALL | grep args | grep -v 'vsyscall=none'
+
+If any output is returned, this is a finding.
+
+Check that virtual system calls are disabled by default to persist in kernel updates with the following command: 
+
+$ sudo grep vsyscall /etc/default/grub
+
+GRUB_CMDLINE_LINUX="vsyscall=none"
+
+If "vsyscall" is not set to "none", is missing or commented out, and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257793"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257793r925366_rule" weight="10.0" severity="medium"><version>RHEL-09-212040</version><title>RHEL 9 must clear the page allocator to prevent use-after-free attacks.</title><description>&lt;VulnDiscussion&gt;Poisoning writes an arbitrary value to freed pages, so any modification or reference to that page after being freed or before being initialized will be detected and prevented. This prevents many types of use-after-free vulnerabilities at little performance cost. Also prevents leak of data and detection of corrupted memory.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000134-GPOS-00068&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001084</ident><fixtext fixref="F-61458r925365_fix">Configure RHEL 9 to enable page poisoning with the following commands:
+
+$ sudo grubby --update-kernel=ALL --args="page_poison=1"
+
+Add or modify the following line in "/etc/default/grub" to ensure the configuration survives kernel updates:
+
+GRUB_CMDLINE_LINUX="page_poison=1"</fixtext><fix id="F-61458r925365_fix" /><check system="C-61534r925364_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that GRUB 2 is configured to enable page poisoning to mitigate use-after-free vulnerabilities.
+
+Check that the current GRUB 2 configuration has page poisoning enabled  with the following command:
+
+$ sudo grubby --info=ALL | grep args | grep -v 'page_poison=1'
+
+If any output is returned, this is a finding.
+
+Check that page poisoning is enabled by default to persist in kernel updates with the following command: 
+
+$ sudo grep page_poison /etc/default/grub
+
+GRUB_CMDLINE_LINUX="page_poison=1"
+
+If "page_poison" is not set to "1", is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257794"><title>SRG-OS-000433-GPOS-00192</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257794r925369_rule" weight="10.0" severity="medium"><version>RHEL-09-212045</version><title>RHEL 9 must clear SLUB/SLAB objects to prevent use-after-free attacks.</title><description>&lt;VulnDiscussion&gt;Some adversaries launch attacks with the intent of executing code in nonexecutable regions of memory or in memory locations that are prohibited. Security safeguards employed to protect memory include, for example, data execution prevention and address space layout randomization. Data execution prevention safeguards can be either hardware-enforced or software-enforced with hardware providing the greater strength of mechanism.
+
+Poisoning writes an arbitrary value to freed pages, so any modification or reference to that page after being freed or before being initialized will be detected and prevented. This prevents many types of use-after-free vulnerabilities at little performance cost. Also prevents leak of data and detection of corrupted memory.
+
+SLAB objects are blocks of physically contiguous memory. SLUB is the unqueued SLAB allocator.
+
+Satisfies: SRG-OS-000433-GPOS-00192, SRG-OS-000134-GPOS-00068&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001084</ident><ident system="http://cyber.mil/cci">CCI-002824</ident><fixtext fixref="F-61459r925368_fix">Configure RHEL  to enable poisoning of SLUB/SLAB objects with the following commands:
+
+$ sudo grubby --update-kernel=ALL --args="slub_debug=P"
+
+Add or modify the following line in "/etc/default/grub" to ensure the configuration survives kernel updates:
+
+GRUB_CMDLINE_LINUX="slub_debug=P"</fixtext><fix id="F-61459r925368_fix" /><check system="C-61535r925367_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that GRUB 2 is configured to enable poisoning of SLUB/SLAB objects to mitigate use-after-free vulnerabilities with the following commands:
+
+Check that the current GRUB 2 configuration has poisoning of SLUB/SLAB objects enabled:
+
+$ sudo grubby --info=ALL | grep args | grep -v 'slub_debug=P' 
+
+If any output is returned, this is a finding.
+
+Check that poisoning of SLUB/SLAB objects is enabled by default to persist in kernel updates: 
+
+$ sudo grep slub_debug /etc/default/grub
+
+GRUB_CMDLINE_LINUX="slub_debug=P"
+
+If "slub_debug" is not set to "P", is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257795"><title>SRG-OS-000433-GPOS-00193</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257795r925372_rule" weight="10.0" severity="low"><version>RHEL-09-212050</version><title>RHEL 9 must enable mitigations against processor-based vulnerabilities.</title><description>&lt;VulnDiscussion&gt;Kernel page-table isolation is a kernel feature that mitigates the Meltdown security vulnerability and hardens the kernel against attempts to bypass kernel address space layout randomization (KASLR).
+
+Satisfies: SRG-OS-000433-GPOS-00193, SRG-OS-000095-GPOS-00049&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><ident system="http://cyber.mil/cci">CCI-002824</ident><fixtext fixref="F-61460r925371_fix">Configure RHEL 9 to enable kernel page-table isolation with the following command:
+
+$ sudo grubby --update-kernel=ALL --args="pti=on"
+
+Add or modify the following line in "/etc/default/grub" to ensure the configuration survives kernel updates:
+
+GRUB_CMDLINE_LINUX="pti=on"</fixtext><fix id="F-61460r925371_fix" /><check system="C-61536r925370_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enables kernel page-table isolation with the following command:
+
+$ sudo grubby --info=ALL | grep pti
+
+args="ro crashkernel=auto resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet fips=1 audit=1 audit_backlog_limit=8192 pti=on 
+
+If the "pti" entry does not equal "on", or is missing, this is a finding.
+
+Check that kernel page-table isolation is enabled by default to persist in kernel updates: 
+
+$ sudo grep pti /etc/default/grub
+
+GRUB_CMDLINE_LINUX="pti=on"
+
+If "pti" is not set to "on", is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257796"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257796r925375_rule" weight="10.0" severity="low"><version>RHEL-09-212055</version><title>RHEL 9 must enable auditing of processes that start prior to the audit daemon.</title><description>&lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000473-GPOS-00218, SRG-OS-000254-GPOS-00095&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001464</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61461r925374_fix">Enable auditing of processes that start prior to the audit daemon with the following command:
+
+$ sudo grubby --update-kernel=ALL --args="audit=1"
+
+Add or modify the following line in "/etc/default/grub" to ensure the configuration survives kernel updates:
+
+GRUB_CMDLINE_LINUX="audit=1"</fixtext><fix id="F-61461r925374_fix" /><check system="C-61537r925373_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that GRUB 2 is configured to enable auditing of processes that start prior to the audit daemon with the following commands:
+
+Check that the current GRUB 2 configuration enabled auditing:
+
+$ sudo grubby --info=ALL | grep audit
+
+args="ro crashkernel=auto resume=/dev/mapper/rhel-swap rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb quiet fips=1 audit=1 audit_backlog_limit=8192 pti=on 
+
+If "audit" is not set to "1" or is missing, this is a finding.
+
+Check that auditing is enabled by default to persist in kernel updates: 
+
+$ sudo grep audit /etc/default/grub
+
+GRUB_CMDLINE_LINUX="audit=1"
+
+If "audit" is not set to "1", is missing, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257797"><title>SRG-OS-000132-GPOS-00067</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257797r925378_rule" weight="10.0" severity="medium"><version>RHEL-09-213010</version><title>RHEL 9 must restrict access to the kernel message buffer.</title><description>&lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of information, produced by the actions of prior users/roles (or the actions of processes acting on behalf of prior users/roles) from being available to any current users/roles (or current processes) that obtain access to shared system resources (e.g., registers, main memory, hard disks) after those resources have been released back to information systems. The control of information in shared resources is also commonly referred to as object reuse and residual information protection.
+
+This requirement generally applies to the design of an information technology product, but it can also apply to the configuration of particular information system components that are, or use, such products. This can be verified by acceptance/validation processes in DOD or other government agencies.
+
+There may be shared resources with configurable protections (e.g., files in storage) that may be assessed on specific information system components.
+
+Restricting access to the kernel message buffer limits access to only root. This prevents attackers from gaining additional system information as a nonprivileged user.
+
+Satisfies: SRG-OS-000132-GPOS-00067, SRG-OS-000138-GPOS-00069&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001082</ident><ident system="http://cyber.mil/cci">CCI-001090</ident><fixtext fixref="F-61462r925377_fix">Configure RHEL 9 to restrict access to the kernel message buffer.
+
+Add or edit the following line in a system configuration file, in the "/etc/sysctl.d/" directory:
+
+kernel.dmesg_restrict = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61462r925377_fix" /><check system="C-61538r925376_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to restrict access to the kernel message buffer with the following commands:
+
+Check the status of the kernel.dmesg_restrict kernel parameter.
+
+$ sysctl kernel.dmesg_restrict
+
+kernel.dmesg_restrict = 1
+
+If "kernel.dmesg_restrict" is not set to "1" or is missing, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F kernel.dmesg_restrict | tail -1
+
+kernel.dmesg_restrict = 1
+
+If "kernel.dmesg_restrict" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257798"><title>SRG-OS-000132-GPOS-00067</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257798r925381_rule" weight="10.0" severity="medium"><version>RHEL-09-213015</version><title>RHEL 9 must prevent kernel profiling by nonprivileged users.</title><description>&lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of information, produced by the actions of prior users/roles (or the actions of processes acting on behalf of prior users/roles) from being available to any current users/roles (or current processes) that obtain access to shared system resources (e.g., registers, main memory, hard disks) after those resources have been released back to information systems. The control of information in shared resources is also commonly referred to as object reuse and residual information protection.
+
+This requirement generally applies to the design of an information technology product, but it can also apply to the configuration of particular information system components that are, or use, such products. This can be verified by acceptance/validation processes in DOD or other government agencies.
+
+There may be shared resources with configurable protections (e.g., files in storage) that may be assessed on specific information system components.
+
+Setting the kernel.perf_event_paranoid kernel parameter to "2" prevents attackers from gaining additional system information as a nonprivileged user.
+
+Satisfies: SRG-OS-000132-GPOS-00067, SRG-OS-000138-GPOS-00069&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001082</ident><ident system="http://cyber.mil/cci">CCI-001090</ident><fixtext fixref="F-61463r925380_fix">Configure RHEL 9 to prevent kernel profiling by nonprivileged users.
+
+Add or edit the following line in a system configuration file, in the "/etc/sysctl.d/" directory:
+
+kernel.perf_event_paranoid = 2
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61463r925380_fix" /><check system="C-61539r925379_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to prevent kernel profiling by nonprivileged users with the following commands:
+
+Check the status of the kernel.perf_event_paranoid kernel parameter.
+
+$sysctl kernel.perf_event_paranoid
+
+kernel.perf_event_paranoid = 2
+
+If "kernel.perf_event_paranoid" is not set to "2" or is missing, this is a finding.
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config  | egrep -v '^(#|;)' | grep -F kernel.perf_event_paranoid | tail -1
+
+kernel.perf_event_paranoid = 2
+
+If "kernel.perf_event_paranoid" is not set to "2" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257799"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257799r925384_rule" weight="10.0" severity="medium"><version>RHEL-09-213020</version><title>RHEL 9 must prevent the loading of a new kernel for later execution.</title><description>&lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has been provided by a trusted vendor.
+
+Disabling kexec_load prevents an unsigned kernel image (that could be a windows kernel or modified vulnerable kernel) from being loaded. Kexec can be used subvert the entire secureboot process and should be avoided at all costs especially since it can load unsigned kernel images.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000366-GPOS-00153&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001749</ident><fixtext fixref="F-61464r925383_fix">Add or edit the following line in a system configuration file in the "/etc/sysctl.d/" directory:
+
+kernel.kexec_load_disabled = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61464r925383_fix" /><check system="C-61540r925382_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to disable kernel image loading.
+
+Check the status of the kernel.kexec_load_disabled kernel parameter with the following command:
+
+$ sysctl kernel.kexec_load_disabled
+
+kernel.kexec_load_disabled = 1
+
+If "kernel.kexec_load_disabled" is not set to "1" or is missing, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter with the following command:
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F kernel.kexec_load_disabled | tail -1
+
+kernel.kexec_load_disabled = 1
+
+If "kernel.kexec_load_disabled" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257800"><title>SRG-OS-000132-GPOS-00067</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257800r925387_rule" weight="10.0" severity="medium"><version>RHEL-09-213025</version><title>RHEL 9 must restrict exposed kernel pointer addresses access.</title><description>&lt;VulnDiscussion&gt;Exposing kernel pointers (through procfs or "seq_printf()") exposes kernel writeable structures, which may contain functions pointers. If a write vulnerability occurs in the kernel, allowing write access to any of this structure, the kernel can be compromised. This option disallows any program without the CAP_SYSLOG capability to get the addresses of kernel pointers by replacing them with "0".
+
+Satisfies: SRG-OS-000132-GPOS-00067, SRG-OS-000433-GPOS-00192, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001082</ident><ident system="http://cyber.mil/cci">CCI-002824</ident><fixtext fixref="F-61465r925386_fix">Add or edit the following line in a system configuration file in the "/etc/sysctl.d/" directory:
+
+kernel.kptr_restrict = 1
+
+Reload settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61465r925386_fix" /><check system="C-61541r925385_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the runtime status of the kernel.kptr_restrict kernel parameter with the following command:
+
+$ sysctl kernel.kptr_restrict 
+
+kernel.kptr_restrict = 1
+
+Verify the configuration of the kernel.kptr_restrict kernel parameter with the following command:
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F kernel.kptr_restrict | tail -1
+
+kernel.kptr_restrict =1
+
+If "kernel.kptr_restrict" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257801"><title>SRG-OS-000312-GPOS-00123</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257801r925390_rule" weight="10.0" severity="medium"><version>RHEL-09-213030</version><title>RHEL 9 must enable kernel parameters to enforce discretionary access control on hardlinks.</title><description>&lt;VulnDiscussion&gt;By enabling the fs.protected_hardlinks kernel parameter, users can no longer create soft or hard links to files they do not own. Disallowing such hardlinks mitigates vulnerabilities based on insecure file system accessed by privileged programs, avoiding an exploitation vector exploiting unsafe use of open() or creat().
+
+Satisfies: SRG-OS-000312-GPOS-00123, SRG-OS-000324-GPOS-00125&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002165</ident><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61466r925389_fix">Configure RHEL 9 to enable DAC on hardlinks with the following:
+
+Add or edit the following line in a system configuration file in the "/etc/sysctl.d/" directory:
+
+fs.protected_hardlinks = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61466r925389_fix" /><check system="C-61542r925388_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to enable DAC on hardlinks.
+
+Check the status of the fs.protected_hardlinks kernel parameter with the following command:
+
+$ sudo sysctl fs.protected_hardlinks
+
+fs.protected_hardlinks = 1
+
+If "fs.protected_hardlinks" is not set to "1" or is missing, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F fs.protected_hardlinks | tail -1
+
+fs.protected_hardlinks = 1
+
+If "fs.protected_hardlinks" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257802"><title>SRG-OS-000312-GPOS-00123</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257802r925393_rule" weight="10.0" severity="medium"><version>RHEL-09-213035</version><title>RHEL 9 must enable kernel parameters to enforce discretionary access control on symlinks.</title><description>&lt;VulnDiscussion&gt;By enabling the fs.protected_symlinks kernel parameter, symbolic links are permitted to be followed only when outside a sticky world-writable directory, or when the user identifier (UID) of the link and follower match, or when the directory owner matches the symlink's owner. Disallowing such symlinks helps mitigate vulnerabilities based on insecure file system accessed by privileged programs, avoiding an exploitation vector exploiting unsafe use of open() or creat().
+
+Satisfies: SRG-OS-000312-GPOS-00123, SRG-OS-000324-GPOS-00125&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002165</ident><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61467r925392_fix">Configure RHEL 9 to enable DAC on symlinks with the following:
+
+Add or edit the following line in a system configuration file in the "/etc/sysctl.d/" directory:
+
+fs.protected_symlinks = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61467r925392_fix" /><check system="C-61543r925391_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to enable DAC on symlinks.
+
+Check the status of the fs.protected_symlinks kernel parameter with the following command:
+
+$ sudo sysctl fs.protected_symlinks
+
+fs.protected_symlinks = 1
+
+If "fs.protected_symlinks " is not set to "1" or is missing, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F fs.protected_symlinks | tail -1
+
+fs.protected_symlinks = 1
+
+If "fs.protected_symlinks" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257803"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257803r925396_rule" weight="10.0" severity="medium"><version>RHEL-09-213040</version><title>RHEL 9 must disable the kernel.core_pattern.</title><description>&lt;VulnDiscussion&gt;A core dump includes a memory image taken at the time the operating system terminates an application. The memory image could contain sensitive data and is generally useful only for developers trying to debug problems.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61468r925395_fix">Configure RHEL 9 to disable storing core dumps.
+
+Add or edit the following line in a system configuration file, in the "/etc/sysctl.d/" directory:
+
+kernel.core_pattern = |/bin/false
+
+The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61468r925395_fix" /><check system="C-61544r925394_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables storing core dumps with the following commands:
+
+$ sysctl kernel.core_pattern
+
+kernel.core_pattern = |/bin/false
+
+If the returned line does not have a value of "|/bin/false", or a line is not returned and the need for core dumps is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.
+
+Check that the configuration files are present to disable core dump storage.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F kernel.core_pattern | tail -1
+
+kernel.core_pattern = |/bin/false
+
+If "kernel.core_pattern" is not set to "|/bin/false" and is not documented with the ISSO as an operational requirement, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257804"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257804r925399_rule" weight="10.0" severity="medium"><version>RHEL-09-213045</version><title>RHEL 9 must be configured to disable the Asynchronous Transfer Mode kernel module.</title><description>&lt;VulnDiscussion&gt;Disabling Asynchronous Transfer Mode (ATM) protects the system against exploitation of any flaws in its implementation.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61469r925398_fix">To configure the system to prevent the atm kernel module from being loaded, add the following line to the file  /etc/modprobe.d/atm.conf (or create atm.conf if it does not exist):
+
+install atm /bin/false
+blacklist atm</fixtext><fix id="F-61469r925398_fix" /><check system="C-61545r925397_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the ATM kernel module with the following command:
+
+$ sudo grep -r atm /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist atm
+
+If the command does not return any output, or the line is commented out, and use of ATM is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257805"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257805r925402_rule" weight="10.0" severity="medium"><version>RHEL-09-213050</version><title>RHEL 9 must be configured to disable the Controller Area Network kernel module.</title><description>&lt;VulnDiscussion&gt;Disabling Controller Area Network (CAN) protects the system against exploitation of any flaws in its implementation.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61470r925401_fix">To configure the system to prevent the can kernel module from being loaded, add the following line to the file  /etc/modprobe.d/can.conf (or create atm.conf if it does not exist):
+
+install can /bin/false
+blacklist can</fixtext><fix id="F-61470r925401_fix" /><check system="C-61546r925400_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the CAN kernel module with the following command:
+
+$ sudo grep -r can /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist can
+
+If the command does not return any output, or the line is commented out, and use of CAN is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257806"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257806r928942_rule" weight="10.0" severity="medium"><version>RHEL-09-213055</version><title>RHEL 9 must be configured to disable the FireWire kernel module.</title><description>&lt;VulnDiscussion&gt;Disabling firewire protects the system against exploitation of any flaws in its implementation.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61471r928942_fix">To configure the system to prevent the firewire-core kernel module from being loaded, add the following line to the file /etc/modprobe.d/firewire-core.conf (or create firewire-core.conf if it does not exist):
+
+install firewire-core /bin/true
+blacklist firewire-core</fixtext><fix id="F-61471r928942_fix" /><check system="C-61547r925403_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the firewire-core kernel module with the following command:
+
+$ sudo grep -r firewire-core /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist firewire-core
+
+If the command does not return any output, or the line is commented out, and use of firewire-core is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257807"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257807r925408_rule" weight="10.0" severity="medium"><version>RHEL-09-213060</version><title>RHEL 9 must disable the Stream Control Transmission Protocol (SCTP) kernel module.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
+
+Failing to disconnect unused protocols can result in a system compromise.
+
+The Stream Control Transmission Protocol (SCTP) is a transport layer protocol, designed to support the idea of message-oriented communication, with several streams of messages within one connection. Disabling SCTP protects the system against exploitation of any flaws in its implementation.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61472r925407_fix">To configure the system to prevent the sctp kernel module from being loaded, add the following line to the file  /etc/modprobe.d/sctp.conf (or create sctp.conf if it does not exist):
+
+install sctp/bin/false
+blacklist sctp</fixtext><fix id="F-61472r925407_fix" /><check system="C-61548r925406_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the sctp kernel module with the following command:
+
+$ sudo grep -r sctp /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist sctp
+
+If the command does not return any output, or the line is commented out, and use of sctp is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257808"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257808r925411_rule" weight="10.0" severity="medium"><version>RHEL-09-213065</version><title>RHEL 9 must disable the Transparent Inter Process Communication (TIPC) kernel module.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
+
+Failing to disconnect unused protocols can result in a system compromise.
+
+The Transparent Inter Process Communication (TIPC) is a protocol that is specially designed for intra-cluster communication. It can be configured to transmit messages either on UDP or directly across Ethernet. Message delivery is sequence guaranteed, loss free and flow controlled. Disabling TIPC protects the system against exploitation of any flaws in its implementation.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61473r925410_fix">To configure the system to prevent the tipc kernel module from being loaded, add the following line to the file  /etc/modprobe.d/tipc.conf (or create tipc.conf if it does not exist):
+
+install tipc /bin/false
+blacklist tipc</fixtext><fix id="F-61473r925410_fix" /><check system="C-61549r925409_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the tipc kernel module with the following command:
+
+$ sudo grep -r tipc /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist tipc
+
+If the command does not return any output, or the line is commented out, and use of tipc is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257809"><title>SRG-OS-000433-GPOS-00193</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257809r925414_rule" weight="10.0" severity="medium"><version>RHEL-09-213070</version><title>RHEL 9 must implement address space layout randomization (ASLR) to protect its memory from unauthorized code execution.</title><description>&lt;VulnDiscussion&gt;Address space layout randomization (ASLR) makes it more difficult for an attacker to predict the location of attack code they have introduced into a process' address space during an attempt at exploitation. Additionally, ASLR makes it more difficult for an attacker to know the location of existing code in order to repurpose it using return oriented programming (ROP) techniques.
+
+Satisfies: SRG-OS-000433-GPOS-00193, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-002824</ident><fixtext fixref="F-61474r925413_fix">Add or edit the following line in a system configuration file in the "/etc/sysctl.d/" directory:
+
+kernel.randomize_va_space = 2
+
+Reload settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61474r925413_fix" /><check system="C-61550r925412_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is implementing ASLR with the following command:
+
+$ sysctl kernel.randomize_va_space
+
+kernel.randomize_va_space = 2
+
+Check that the configuration files are present to enable this kernel parameter.
+Verify the configuration of the kernel.kptr_restrict kernel parameter with the following command:
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F kernel.randomize_va_space | tail -1
+
+kernel.randomize_va_space = 2
+
+If "kernel.randomize_va_space" is not set to "2" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257810"><title>SRG-OS-000132-GPOS-00067</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257810r925417_rule" weight="10.0" severity="medium"><version>RHEL-09-213075</version><title>RHEL 9 must disable access to network bpf system call from nonprivileged processes.</title><description>&lt;VulnDiscussion&gt;Loading and accessing the packet filters programs and maps using the bpf() system call has the potential of revealing sensitive information about the kernel state.
+
+Satisfies: SRG-OS-000132-GPOS-00067, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001082</ident><fixtext fixref="F-61475r925416_fix">Configure RHEL 9 to prevent privilege escalation thru the kernel by disabling access to the bpf syscall by adding the following line to a file, in the "/etc/sysctl.d" directory:
+
+kernel.unprivileged_bpf_disabled = 1
+
+The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61475r925416_fix" /><check system="C-61551r925415_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents privilege escalation thru the kernel by disabling access to the bpf system call with the following commands:
+
+$ sysctl kernel.unprivileged_bpf_disabled
+
+kernel.unprivileged_bpf_disabled = 1
+
+If the returned line does not have a value of "1", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F kernel.unprivileged_bpf_disabled | tail -1
+kernel.unprivileged_bpf_disabled = 1
+
+If the network parameter "ipv4.tcp_syncookies" is not equal to "1", or nothing is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257811"><title>SRG-OS-000132-GPOS-00067</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257811r925420_rule" weight="10.0" severity="medium"><version>RHEL-09-213080</version><title>RHEL 9 must restrict usage of ptrace to descendant processes.</title><description>&lt;VulnDiscussion&gt;Unrestricted usage of ptrace allows compromised binaries to run ptrace on other processes of the user. Like this, the attacker can steal sensitive information from the target processes (e.g., SSH sessions, web browser, etc.) without any additional assistance from the user (i.e., without resorting to phishing).
+
+Satisfies: SRG-OS-000132-GPOS-00067, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001082</ident><fixtext fixref="F-61476r925419_fix">Configure RHEL 9 to restrict usage of ptrace to descendant processes by adding the following line to a file, in the "/etc/sysctl.d" directory:
+
+kernel.yama.ptrace_scope = 1
+
+The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61476r925419_fix" /><check system="C-61552r925418_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 restricts usage of ptrace to descendant processes with the following commands:
+
+$ sysctl kernel.yama.ptrace_scope
+
+kernel.yama.ptrace_scope = 1
+
+If the returned line does not have a value of "1", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F kernel.yama.ptrace_scope| tail -1
+kernel.yama.ptrace_scope = 1
+
+If the network parameter "kernel.yama.ptrace_scope" is not equal to "1", or nothing is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257812"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257812r925423_rule" weight="10.0" severity="medium"><version>RHEL-09-213085</version><title>RHEL 9 must disable core dump backtraces.</title><description>&lt;VulnDiscussion&gt;A core dump includes a memory image taken at the time the operating system terminates an application. The memory image could contain sensitive data and is generally useful only for developers or system operators trying to debug problems.
+
+Enabling core dumps on production systems is not recommended; however, there may be overriding operational requirements to enable advanced debugging. Permitting temporary enablement of core dumps during such situations must be reviewed through local needs and policy.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61477r925422_fix">Configure the operating system to disable core dump backtraces.
+
+Add or modify the following line in /etc/systemd/coredump.conf:
+
+ProcessSizeMax=0</fixtext><fix id="F-61477r925422_fix" /><check system="C-61553r925421_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables core dump backtraces by issuing the following command:
+
+$ grep -i process /etc/systemd/coredump.conf
+
+ProcessSizeMax=0
+
+If the "ProcessSizeMax" item is missing, commented out, or the value is anything other than "0" and the need for core dumps is not documented with the information system security officer (ISSO) as an operational requirement for all domains that have the "core" item assigned, this is a finding.</check-content></check></Rule></Group><Group id="V-257813"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257813r925426_rule" weight="10.0" severity="medium"><version>RHEL-09-213090</version><title>RHEL 9 must disable storing core dumps.</title><description>&lt;VulnDiscussion&gt;A core dump includes a memory image taken at the time the operating system terminates an application. The memory image could contain sensitive data and is generally useful only for developers or system operators trying to debug problems. Enabling core dumps on production systems is not recommended; however, there may be overriding operational requirements to enable advanced debugging. Permitting temporary enablement of core dumps during such situations must be reviewed through local needs and policy.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61478r925425_fix">Configure the operating system to disable storing core dumps for all users.
+
+Add or modify the following line in /etc/systemd/coredump.conf:
+
+Storage=none</fixtext><fix id="F-61478r925425_fix" /><check system="C-61554r925424_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables storing core dumps for all users by issuing the following command:
+
+$ grep -i storage /etc/systemd/coredump.conf
+
+Storage=none
+
+If the "Storage" item is missing, commented out, or the value is anything other than "none" and the need for core dumps is not documented with the information system security officer (ISSO) as an operational requirement for all domains that have the "core" item assigned, this is a finding.</check-content></check></Rule></Group><Group id="V-257814"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257814r925429_rule" weight="10.0" severity="medium"><version>RHEL-09-213095</version><title>RHEL 9 must disable core dumps for all users.</title><description>&lt;VulnDiscussion&gt;A core dump includes a memory image taken at the time the operating system terminates an application. The memory image could contain sensitive data and is generally useful only for developers trying to debug problems.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61479r925428_fix">Configure the operating system to disable core dumps for all users.
+
+Add the following line to the top of the /etc/security/limits.conf or in a single ".conf" file defined in /etc/security/limits.d/:
+
+* hard core 0</fixtext><fix id="F-61479r925428_fix" /><check system="C-61555r925427_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables core dumps for all users by issuing the following command:
+
+$ grep -r -s core /etc/security/limits.conf /etc/security/limits.d/*.conf
+
+/etc/security/limits.conf:* hard core 0
+
+This can be set as a global domain (with the * wildcard) but may be set differently for multiple domains.
+
+If the "core" item is missing, commented out, or the value is anything other than "0" and the need for core dumps is not documented with the information system security officer (ISSO) as an operational requirement for all domains that have the "core" item assigned, this is a finding.</check-content></check></Rule></Group><Group id="V-257815"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257815r925432_rule" weight="10.0" severity="medium"><version>RHEL-09-213100</version><title>RHEL 9 must disable acquiring, saving, and processing core dumps.</title><description>&lt;VulnDiscussion&gt;A core dump includes a memory image taken at the time the operating system terminates an application. The memory image could contain sensitive data and is generally useful only for developers trying to debug problems.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61480r925431_fix">Configure the system to disable the systemd-coredump.socket with the following command:
+
+$ sudo systemctl mask --now systemd-coredump.socket
+
+Created symlink /etc/systemd/system/systemd-coredump.socket -&gt; /dev/null
+
+Reload the daemon for this change to take effect.
+
+$ sudo systemctl daemon-reload</fixtext><fix id="F-61480r925431_fix" /><check system="C-61556r925430_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is not configured to acquire, save, or process core dumps with the following command:
+
+$ sudo systemctl status systemd-coredump.socket
+
+systemd-coredump.socket
+Loaded: masked (Reason: Unit systemd-coredump.socket is masked.)
+Active: inactive (dead)
+
+If the "systemd-coredump.socket" is loaded and not masked and the need for core dumps is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257816"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257816r925435_rule" weight="10.0" severity="medium"><version>RHEL-09-213105</version><title>RHEL 9 must disable the use of user namespaces.</title><description>&lt;VulnDiscussion&gt;User namespaces are used primarily for Linux containers. The value "0" disallows the use of user namespaces.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61481r925434_fix">Configure RHEL 9 to disable the use of user namespaces by adding the following line to a file, in the "/etc/sysctl.d" directory:
+
+Note: User namespaces are used primarily for Linux containers. If containers are in use, this requirement is Not Applicable. 
+
+user.max_user_namespaces = 0
+
+The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61481r925434_fix" /><check system="C-61557r925433_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables the use of user namespaces with the following commands:
+
+Note: User namespaces are used primarily for Linux containers. If containers are in use, this requirement is Not Applicable.
+
+$ sysctl user.max_user_namespaces
+
+user.max_user_namespaces = 0
+
+If the returned line does not have a value of "0", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F user.max_user_namespaces | tail -1
+user.max_user_namespaces = 0
+
+If the network parameter "user.max_user_namespaces" is not equal to "0", or nothing is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257817"><title>SRG-OS-000433-GPOS-00192</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257817r925438_rule" weight="10.0" severity="medium"><version>RHEL-09-213110</version><title>RHEL 9 must implement nonexecutable data to protect its memory from unauthorized code execution.</title><description>&lt;VulnDiscussion&gt;ExecShield uses the segmentation feature on all x86 systems to prevent execution in memory higher than a certain address. It writes an address as a limit in the code segment descriptor, to control where code can be executed, on a per-process basis. When the kernel places a process's memory regions such as the stack and heap higher than this address, the hardware prevents execution in that address range. This is enabled by default on the latest Red Hat and Fedora systems if supported by the hardware.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002824</ident><fixtext fixref="F-61482r925437_fix">Update the GRUB 2 bootloader configuration.
+
+Run the following command:
+
+$ sudo grubby --update-kernel=ALL --remove-args=noexec</fixtext><fix id="F-61482r925437_fix" /><check system="C-61558r925436_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify ExecShield is enabled on 64-bit RHEL 9 systems with the following command:
+
+$ sudo dmesg | grep '[NX|DX]*protection' 
+
+[ 0.000000] NX (Execute Disable) protection: active
+
+If "dmesg" does not show "NX (Execute Disable) protection" active, this is a finding.</check-content></check></Rule></Group><Group id="V-257818"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257818r925441_rule" weight="10.0" severity="medium"><version>RHEL-09-213115</version><title>The kdump service on RHEL 9 must be disabled.</title><description>&lt;VulnDiscussion&gt;Kernel core dumps may contain the full contents of system memory at the time of the crash. Kernel core dumps consume a considerable amount of disk space and may result in denial of service by exhausting the available space on the target file system partition. Unless the system is used for kernel development or testing, there is little need to run the kdump service.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61483r925440_fix">Disable and mask the kdump service on RHEL 9.
+
+To disable the kdump service run the following command:
+
+$ sudo systemctl disable --now kdump
+
+To mask the kdump service run the following command:
+
+$ sudo systemctl mask --now kdump</fixtext><fix id="F-61483r925440_fix" /><check system="C-61559r925439_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the kdump service is disabled in system boot configuration with the following command:
+
+$ systemctl is-enabled  kdump  
+
+disabled 
+
+Verify that the kdump service is not active (i.e., not running) through current runtime configuration with the following command:
+
+$ systemctl is-active kdump 
+
+inactive 
+
+Verify that the kdump service is masked with the following command:
+
+$ sudo systemctl show  kdump  | grep "LoadState\|UnitFileState" 
+
+LoadState=masked 
+
+UnitFileState=masked 
+
+If the "kdump" service is loaded or active, and is not masked, this is a finding.</check-content></check></Rule></Group><Group id="V-257819"><title>SRG-OS-000366-GPOS-00153</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257819r925444_rule" weight="10.0" severity="medium"><version>RHEL-09-214010</version><title>RHEL 9 must ensure cryptographic verification of vendor software packages.</title><description>&lt;VulnDiscussion&gt;Cryptographic verification of vendor software packages ensures that all software packages are obtained from a valid source and protects against spoofing that could lead to installation of malware on the system. Red Hat cryptographically signs all software packages, which includes updates, with a GPG key to verify that they are valid.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001749</ident><fixtext fixref="F-61484r925443_fix">Install Red Hat package-signing keys on the system and verify their fingerprints match vendor values.
+
+Insert RHEL 9 installation disc or attach RHEL 9 installation image to the system. Mount the disc or image to make the contents accessible inside the system.
+
+Assuming the mounted location is "/media/cdrom", use the following command to copy Red Hat GPG key file onto the system:
+
+$ sudo cp /media/cdrom/RPM-GPG-KEY-redhat-release /etc/pki/rpm-gpg/
+	 
+Import Red Hat GPG keys from key file into system keyring:
+
+$ sudo rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
+	 
+Using the steps listed in the Check Text, confirm the newly imported keys show as installed on the system and verify their fingerprints match vendor values.</fixtext><fix id="F-61484r925443_fix" /><check system="C-61560r925442_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Confirm Red Hat package-signing keys are installed on the system and verify their fingerprints match vendor values.
+
+Note: For RHEL 9 software packages, Red Hat uses GPG keys labeled "release key 2" and "auxiliary key 3". The keys are defined in key file "/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release" by default.
+
+List Red Hat GPG keys installed on the system:
+
+$ sudo rpm -q --queryformat "%{SUMMARY}\n" gpg-pubkey | grep -i "red hat"
+
+Red Hat, Inc. (release key 2) &lt;security@redhat.com&gt; public key
+Red Hat, Inc. (auxiliary key 3) &lt;security@redhat.com&gt; public key
+
+If Red Hat GPG keys "release key 2" and "auxiliary key 3" are not installed, this is a finding.
+
+List key fingerprints of installed Red Hat GPG keys:
+
+$ sudo gpg -q --keyid-format short --with-fingerprint /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release
+
+If key file "/etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release" is missing, this is a finding.
+
+Example output:
+
+pub   rsa4096/FD431D51 2009-10-22 [SC]
+      Key fingerprint = 567E 347A D004 4ADE 55BA  8A5F 199E 2F91 FD43 1D51
+uid                   Red Hat, Inc. (release key 2) &lt;security@redhat.com&gt;
+pub   rsa4096/5A6340B3 2022-03-09 [SC]
+      Key fingerprint = 7E46 2425 8C40 6535 D56D  6F13 5054 E4A4 5A63 40B3
+uid                   Red Hat, Inc. (auxiliary key 3) &lt;security@redhat.com&gt;
+
+Compare key fingerprints of installed Red Hat GPG keys with fingerprints listed for RHEL 9 on Red Hat "Product Signing Keys" webpage at https://access.redhat.com/security/team/key.
+
+If key fingerprints do not match, this is a finding.</check-content></check></Rule></Group><Group id="V-257820"><title>SRG-OS-000366-GPOS-00153</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257820r925447_rule" weight="10.0" severity="high"><version>RHEL-09-214015</version><title>RHEL 9 must check the GPG signature of software packages originating from external software repositories before installation.</title><description>&lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has been provided by a trusted vendor.
+
+All software packages must be signed with a cryptographic key recognized and approved by the organization.
+
+Verifying the authenticity of software prior to installation validates the integrity of the software package received from a vendor. This verifies the software has not been tampered with and that it has been provided by a trusted vendor.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001749</ident><fixtext fixref="F-61485r925446_fix">Configure dnf to always check the GPG signature of software packages originating from external software repositories before installation.
+
+Add or update the following line in the [main] section of the /etc/dnf/dnf.conf file:
+
+gpgcheck=1</fixtext><fix id="F-61485r925446_fix" /><check system="C-61561r925445_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that dnf always checks the GPG signature of software packages originating from external software repositories before installation:
+
+$ grep gpgcheck /etc/dnf/dnf.conf
+
+gpgcheck=1
+
+If "gpgcheck" is not set to "1", or if the option is missing or commented out, ask the system administrator how the GPG signatures of software packages are being verified.
+
+If there is no process to verify GPG signatures that is approved by the organization, this is a finding.</check-content></check></Rule></Group><Group id="V-257821"><title>SRG-OS-000366-GPOS-00153</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257821r925450_rule" weight="10.0" severity="high"><version>RHEL-09-214020</version><title>RHEL 9 must check the GPG signature of locally installed software packages before installation.</title><description>&lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has been provided by a trusted vendor.
+
+All software packages must be signed with a cryptographic key recognized and approved by the organization.
+
+Verifying the authenticity of software prior to installation validates the integrity of the software package received from a vendor. This verifies the software has not been tampered with and that it has been provided by a trusted vendor.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001749</ident><fixtext fixref="F-61486r925449_fix">Configure dnf to always check the GPG signature of local software packages before installation.
+
+Add or update the following line in the [main] section of the /etc/dnf/dnf.conf file:
+
+localpkg_gpgcheck=1</fixtext><fix id="F-61486r925449_fix" /><check system="C-61562r925448_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that dnf always checks the GPG signature of locally installed software packages before installation:
+
+$ grep localpkg_gpgcheck /etc/dnf/dnf.conf 
+
+localpkg_gpgcheck=1 
+
+If "localpkg_gpgcheck" is not set to "1", or if the option is missing or commented out, ask the system administrator how the GPG signatures of local software packages are being verified.
+
+If there is no process to verify GPG signatures that is approved by the organization, this is a finding.</check-content></check></Rule></Group><Group id="V-257822"><title>SRG-OS-000366-GPOS-00153</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257822r925453_rule" weight="10.0" severity="high"><version>RHEL-09-214025</version><title>RHEL 9 must have GPG signature verification enabled for all software repositories.</title><description>&lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has been provided by a trusted vendor.
+
+All software packages must be signed with a cryptographic key recognized and approved by the organization.
+
+Verifying the authenticity of software prior to installation validates the integrity of the software package received from a vendor. This verifies the software has not been tampered with and that it has been provided by a trusted vendor.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001749</ident><fixtext fixref="F-61487r925452_fix">Configure all software repositories defined in "/etc/yum.repos.d/" to have "gpgcheck" enabled:
+
+$ sudo sed -i 's/gpgcheck\s*=.*/gpgcheck=1/g' /etc/yum.repos.d/*</fixtext><fix id="F-61487r925452_fix" /><check system="C-61563r925451_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that all software repositories defined in "/etc/yum.repos.d/" have been configured with "gpgcheck" enabled:
+
+$ grep gpgcheck /etc/yum.repos.d/*.repo | more
+
+gpgcheck = 1
+
+If "gpgcheck" is not set to "1" for all returned lines, this is a finding.</check-content></check></Rule></Group><Group id="V-257823"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257823r925456_rule" weight="10.0" severity="medium"><version>RHEL-09-214030</version><title>RHEL 9 must be configured so that the cryptographic hashes of system files match vendor values.</title><description>&lt;VulnDiscussion&gt;The hashes of important files like system executables should match the information given by the RPM database. Executables with erroneous hashes could be a sign of nefarious activity on the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61488r925455_fix">Given output from the check command, identify the package that provides the output and reinstall it. The following trimmed example output shows a package that has failed verification, been identified, and been reinstalled:
+
+$ rpm -Va --noconfig | awk '$1 ~ /..5/ &amp;&amp; $2 != "c"'
+S.5....T.    /usr/bin/znew
+$ sudo dnf provides /usr/bin/znew
+[...]
+gzip-1.10-8.el9.x86_64 : The GNU data compression program
+[...]
+$ sudo dnf reinstall gzip
+[...]
+$ rpm -Va --noconfig | awk '$1 ~ /..5/ &amp;&amp; $2 != "c"'
+[no output]</fixtext><fix id="F-61488r925455_fix" /><check system="C-61564r925454_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>The following command will list which files on the system have file hashes different from what is expected by the RPM database:
+
+ $ rpm -Va --noconfig | awk '$1 ~ /..5/ &amp;&amp; $2 != "c"' 
+
+If there is output, this is a finding.</check-content></check></Rule></Group><Group id="V-257824"><title>SRG-OS-000437-GPOS-00194</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257824r925459_rule" weight="10.0" severity="low"><version>RHEL-09-214035</version><title>RHEL 9 must remove all software components after updated versions have been installed.</title><description>&lt;VulnDiscussion&gt;Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by some adversaries.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002617</ident><fixtext fixref="F-61489r925458_fix">Configure RHEL 9 to remove all software components after updated versions have been installed.
+
+Edit the file /etc/dnf/dnf.conf by adding or editing the following line:
+
+ clean_requirements_on_remove=1</fixtext><fix id="F-61489r925458_fix" /><check system="C-61565r925457_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 removes all software components after updated versions have been installed with the following command:
+
+$ grep clean /etc/dnf/dnf.conf 
+
+clean_requirements_on_remove=1 
+
+If "clean_requirements_on_remove" is not set to "1", this is a finding.</check-content></check></Rule></Group><Group id="V-257825"><title>SRG-OS-000366-GPOS-00153</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257825r925462_rule" weight="10.0" severity="medium"><version>RHEL-09-215010</version><title>RHEL 9 subscription-manager package must be installed.</title><description>&lt;VulnDiscussion&gt;The Red Hat Subscription Manager application manages software subscriptions and software repositories for installed software products on the local system. It communicates with backend servers, such as the Red Hat Customer Portal or an on-premise instance of Subscription Asset Manager, to register the local system and grant access to software resources determined by the subscription entitlement.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001749</ident><fixtext fixref="F-61490r925461_fix">The  subscription-manager package can be installed with the following command:
+ 
+$ sudo dnf install subscription-manager</fixtext><fix id="F-61490r925461_fix" /><check system="C-61566r925460_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 subscription-manager package is installed with the following command:
+
+$ sudo dnf list --installed subscription-manager
+
+Example output:
+
+subscription-manager.x86_64          1.29.26-3.el9_0
+
+If the "subscription-manager" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257826"><title>SRG-OS-000074-GPOS-00042</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257826r925465_rule" weight="10.0" severity="high"><version>RHEL-09-215015</version><title>RHEL 9 must not have a File Transfer Protocol (FTP) server package installed.</title><description>&lt;VulnDiscussion&gt;The FTP service provides an unencrypted remote access that does not provide for the confidentiality and integrity of user passwords or the remote session. If a privileged user were to log on using this service, the privileged user password could be compromised. SSH or other encrypted file transfer methods must be used in place of this service.
+
+Removing the "vsftpd" package decreases the risk of accidental activation.
+
+Satisfies: SRG-OS-000074-GPOS-00042, SRG-OS-000095-GPOS-00049, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000197</ident><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61491r925464_fix">The ftp package can be removed with the following command (using vsftpd as an example):
+
+$ sudo dnf remove vsftpd</fixtext><fix id="F-61491r925464_fix" /><check system="C-61567r925463_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 does not have a File Transfer Protocol (FTP) server package installed with the following command:
+
+$ sudo dnf list --installed | grep ftp 
+
+If the "ftp" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257827"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257827r925468_rule" weight="10.0" severity="medium"><version>RHEL-09-215020</version><title>RHEL 9 must not have the sendmail package installed.</title><description>&lt;VulnDiscussion&gt;The sendmail software was not developed with security in mind, and its design prevents it from being effectively contained by SELinux. Postfix must be used instead.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000095-GPOS-00049&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61492r925467_fix">Remove the sendmail package with the following command:
+
+$ sudo dnf remove sendmail</fixtext><fix id="F-61492r925467_fix" /><check system="C-61568r925466_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the sendmail package is not installed with the following command:
+
+$ sudo dnf list --installed sendmail
+
+Error: No matching Packages to list
+
+If the "sendmail" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257828"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257828r925471_rule" weight="10.0" severity="medium"><version>RHEL-09-215025</version><title>RHEL 9 must not have the nfs-utils package installed.</title><description>&lt;VulnDiscussion&gt;"nfs-utils" provides a daemon for the kernel NFS server and related tools. This package also contains the "showmount" program. "showmount" queries the mount daemon on a remote host for information about the Network File System (NFS) server on the remote host. For example, "showmount" can display the clients that are mounted on that host.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61493r925470_fix">Remove the nfs-utils package with the following command:
+
+$ sudo dnf remove nfs-utils</fixtext><fix id="F-61493r925470_fix" /><check system="C-61569r925469_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the nfs-utils package is not installed with the following command:
+
+$ sudo dnf list --installed nfs-utils
+
+Error: No matching Packages to list
+
+If the "nfs-utils" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257829"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257829r925474_rule" weight="10.0" severity="medium"><version>RHEL-09-215030</version><title>RHEL 9 must not have the ypserv package installed.</title><description>&lt;VulnDiscussion&gt;The NIS service provides an unencrypted authentication service, which does not provide for the confidentiality and integrity of user passwords or the remote session.
+
+Removing the "ypserv" package decreases the risk of the accidental (or intentional) activation of NIS or NIS+ services.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61494r925473_fix">Remove the ypserv package with the following command:
+
+$ sudo dnf remove ypserv</fixtext><fix id="F-61494r925473_fix" /><check system="C-61570r925472_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the ypserv package is not installed with the following command:
+
+$ sudo dnf list --installed ypserv
+
+Error: No matching Packages to list
+
+If the "ypserv" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257830"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257830r925477_rule" weight="10.0" severity="medium"><version>RHEL-09-215035</version><title>RHEL 9 must not have the rsh-server package installed.</title><description>&lt;VulnDiscussion&gt;The "rsh-server" service provides unencrypted remote access service, which does not provide for the confidentiality and integrity of user passwords or the remote session and has very weak authentication. If a privileged user were to login using this service, the privileged user password could be compromised. The "rsh-server" package provides several obsolete and insecure network services. Removing it decreases the risk of accidental (or intentional) activation of those services.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61495r925476_fix">Remove the rsh-server package with the following command:
+
+$ sudo dnf remove rsh-server</fixtext><fix id="F-61495r925476_fix" /><check system="C-61571r925475_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the rsh-server package is not installed with the following command:
+
+$ sudo dnf list --installed rsh-server
+
+Error: No matching Packages to list
+
+If the "rsh-server" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257831"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257831r925480_rule" weight="10.0" severity="medium"><version>RHEL-09-215040</version><title>RHEL 9 must not have the telnet-server package installed.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities are often overlooked and therefore, may remain unsecure. They increase the risk to the platform by providing additional attack vectors.
+
+The telnet service provides an unencrypted remote access service, which does not provide for the confidentiality and integrity of user passwords or the remote session. If a privileged user were to login using this service, the privileged user password could be compromised.
+
+Removing the "telnet-server" package decreases the risk of accidental (or intentional) activation of the telnet service.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61496r925479_fix">Remove the telnet-server package with the following command:
+
+$ sudo dnf remove telnet-server</fixtext><fix id="F-61496r925479_fix" /><check system="C-61572r925478_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the telnet-server package is not installed with the following command:
+
+$ sudo dnf list --installed telnet-server
+
+Error: No matching Packages to list
+
+If the "telnet-server" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257832"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257832r925483_rule" weight="10.0" severity="medium"><version>RHEL-09-215045</version><title>RHEL 9 must not have the gssproxy package installed.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore, may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
+
+Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services provided by default may not be necessary to support essential organizational operations (e.g., key missions, functions).
+
+The gssproxy package is a proxy for GSS API credential handling and could expose secrets on some networks. It is not needed for normal function of the OS.
+
+Satisfies: SRG-OS-000095-GPOS-00049, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61497r925482_fix">Remove the gssproxy package with the following command:
+
+$ sudo dnf remove gssproxy</fixtext><fix id="F-61497r925482_fix" /><check system="C-61573r925481_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the gssproxy package is not installed with the following command:
+
+$ sudo dnf list --installed gssproxy
+
+Error: No matching Packages to list
+
+If the "gssproxy" package is installed and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257833"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257833r925486_rule" weight="10.0" severity="medium"><version>RHEL-09-215050</version><title>RHEL 9 must not have the iprutils package installed.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
+
+Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizational operations (e.g., key missions, functions).
+
+The iprutils package provides a suite of utilities to manage and configure SCSI devices supported by the ipr SCSI storage device driver.
+
+Satisfies: SRG-OS-000095-GPOS-00049, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61498r925485_fix">Remove the iprutils package with the following command:
+
+$ sudo dnf remove iprutils</fixtext><fix id="F-61498r925485_fix" /><check system="C-61574r925484_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the iprutils package is not installed with the following command:
+
+$ sudo dnf list --installed iprutils
+
+Error: No matching Packages to list
+
+If the "iprutils" package is installed and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257834"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257834r925489_rule" weight="10.0" severity="medium"><version>RHEL-09-215055</version><title>RHEL 9 must not have the tuned package installed.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
+
+Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services, provided by default, may not be necessary to support essential organizational operations (e.g., key missions, functions).
+
+The tuned package contains a daemon that tunes the system settings dynamically. It does so by monitoring the usage of several system components periodically. Based on that information, components will then be put into lower or higher power savings modes to adapt to the current usage. The tuned package is not needed for normal OS operations.
+
+Satisfies: SRG-OS-000095-GPOS-00049, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61499r925488_fix">Remove the tuned package with the following command:
+
+$ sudo dnf remove tuned</fixtext><fix id="F-61499r925488_fix" /><check system="C-61575r925487_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the tuned package is not installed with the following command:
+
+$ sudo dnf list --installed tuned
+
+Error: No matching Packages to list
+
+If the "tuned" package is installed and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257835"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257835r925492_rule" weight="10.0" severity="high"><version>RHEL-09-215060</version><title>RHEL 9 must not have a Trivial File Transfer Protocol (TFTP) server package installed.</title><description>&lt;VulnDiscussion&gt;Removing the "tftp-server" package decreases the risk of the accidental (or intentional) activation of tftp services.
+
+If TFTP is required for operational support (such as transmission of router configurations), its use must be documented with the information systems security manager (ISSM), restricted to only authorized personnel, and have access control rules established.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61500r925491_fix">The tftp package can be removed with the following command:
+
+$ sudo dnf remove tftp</fixtext><fix id="F-61500r925491_fix" /><check system="C-61576r925490_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 does not have a tftp server package installed with the following command:
+
+$ sudo dnf list --installed | grep tftp 
+
+If the "tftp" package is installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257836"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257836r925495_rule" weight="10.0" severity="medium"><version>RHEL-09-215065</version><title>RHEL 9 must not have the quagga package installed.</title><description>&lt;VulnDiscussion&gt;Quagga is a network routing software suite providing implementations of Open Shortest Path First (OSPF), Routing Information Protocol (RIP), Border Gateway Protocol (BGP) for Unix and Linux platforms.
+
+If there is no need to make the router software available, removing it provides a safeguard against its activation.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61501r925494_fix">Remove the quagga package with the following command:
+
+$ sudo dnf remove quagga</fixtext><fix id="F-61501r925494_fix" /><check system="C-61577r925493_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the quagga package is not installed with the following command:
+
+$ sudo dnf list --installed quagga
+
+Error: No matching Packages to list
+
+If the "quagga" package is installed, and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257837"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257837r925498_rule" weight="10.0" severity="medium"><version>RHEL-09-215070</version><title>A graphical display manager must not be installed on RHEL 9 unless approved.</title><description>&lt;VulnDiscussion&gt;Unnecessary service packages must not be installed to decrease the attack surface of the system. Graphical display managers have a long history of security vulnerabilities and must not be used, unless approved and documented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61502r925497_fix">Document the requirement for a graphical user interface with the ISSO or remove all xorg packages with the following command:
+
+Warning: If you are accessing the system through the graphical user interface, change to the multi-user.target with the following command:
+
+$ sudo systemctl isolate multi-user.target
+
+Warning: Removal of the graphical user interface will immediately render it useless. The following commands must not be run from a virtual terminal emulator in the graphical interface.
+
+$ sudo dnf remove "xorg*"
+$ sudo systemctl set-default multi-user.target</fixtext><fix id="F-61502r925497_fix" /><check system="C-61578r925496_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a graphical user interface is not installed with the following command:
+
+$ sudo dnf list --installed "xorg*common"
+
+Error: No matching Packages to list
+
+If the "x11-server-common" package is installed, and the use of a graphical user interface has not been documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257838"><title>SRG-OS-000105-GPOS-00052</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257838r925501_rule" weight="10.0" severity="medium"><version>RHEL-09-215075</version><title>RHEL 9 must have the openssl-pkcs11 package installed.</title><description>&lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor authentication requires using two or more factors to achieve authentication. A privileged account is defined as an information system account with authorizations of a privileged user. The DOD CAC with DOD-approved PKI is an example of multifactor authentication.
+
+Satisfies: SRG-OS-000105-GPOS-00052, SRG-OS-000375-GPOS-00160, SRG-OS-000376-GPOS-00161, SRG-OS-000377-GPOS-00162&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000765</ident><ident system="http://cyber.mil/cci">CCI-001948</ident><ident system="http://cyber.mil/cci">CCI-001953</ident><ident system="http://cyber.mil/cci">CCI-001954</ident><fixtext fixref="F-61503r925500_fix">The openssl-pkcs11 package can be installed with the following command:
+ 
+$ sudo dnf install openssl-pkcs11</fixtext><fix id="F-61503r925500_fix" /><check system="C-61579r925499_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the openssl-pkcs11 package installed with the following command:
+
+$ sudo dnf list --installed openssl-pkcs11
+
+Example output:
+
+openssl-pkcs.i686          0.4.11-7.el9
+openssl-pkcs.x86_64          0.4.11-7.el9
+
+If the "openssl-pkcs11" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257839"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257839r925504_rule" weight="10.0" severity="medium"><version>RHEL-09-215080</version><title>RHEL 9 must have the gnutls-utils package installed.</title><description>&lt;VulnDiscussion&gt;GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface (API) to access the secure communications protocols as well as APIs to parse and write X.509, PKCS #12, OpenPGP and other required structures. This package contains command line TLS client and server and certificate manipulation tools.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61504r925503_fix">The gnutls-utils package can be installed with the following command:
+ 
+$ sudo dnf install gnutls-utils</fixtext><fix id="F-61504r925503_fix" /><check system="C-61580r925502_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the gnutls-utils package installed with the following command:
+
+$ dnf list --installed gnutls-utils
+
+Example output:
+
+gnutls-utils.x86_64          3.7.3-9.el9
+
+If the "gnutls-utils" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257840"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257840r925507_rule" weight="10.0" severity="medium"><version>RHEL-09-215085</version><title>RHEL 9 must have the nss-tools package installed.</title><description>&lt;VulnDiscussion&gt;Network Security Services (NSS) is a set of libraries designed to support cross-platform development of security-enabled client and server applications. Install the "nss-tools" package to install command-line tools to manipulate the NSS certificate and key database.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61505r925506_fix">The nss-tools package can be installed with the following command:
+ 
+$ sudo dnf install nss-tools</fixtext><fix id="F-61505r925506_fix" /><check system="C-61581r925505_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the nss-tools package installed with the following command:
+
+$ dnf list --installed nss-tools
+
+Example output:
+
+nss-tools.x86_64          3.71.0-7.el9
+
+If the "nss-tools" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257841"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257841r925510_rule" weight="10.0" severity="medium"><version>RHEL-09-215090</version><title>RHEL 9 must have the rng-tools package installed.</title><description>&lt;VulnDiscussion&gt;"rng-tools" provides hardware random number generator tools, such as those used in the formation of x509/PKI certificates.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61506r925509_fix">The rng-tools package can be installed with the following command:
+ 
+$ sudo dnf install rng-tools</fixtext><fix id="F-61506r925509_fix" /><check system="C-61582r925508_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the rng-tools package installed with the following command:
+
+$ sudo dnf list --installed rng-tools
+
+Example output:
+
+rng-tools.x86_64          6.14-2.git.b2b7934e.el9
+
+If the "rng-tools" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257842"><title>SRG-OS-000363-GPOS-00150</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257842r925513_rule" weight="10.0" severity="medium"><version>RHEL-09-215095</version><title>RHEL 9 must have the s-nail package installed.</title><description>&lt;VulnDiscussion&gt;The "s-nail" package provides the mail command required to allow sending email notifications of unauthorized configuration changes to designated personnel.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001744</ident><fixtext fixref="F-61507r925512_fix">The s-nail package can be installed with the following command:
+
+$ sudo dnf install s-nail</fixtext><fix id="F-61507r925512_fix" /><check system="C-61583r925511_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to allow sending email notifications.
+
+Note: The "s-nail" package provides the "mail" command that is used to send email messages.
+
+Verify that the "s-nail" package is installed on the system:
+
+$ sudo dnf list --installed mailx
+
+s-nail.x86_64          14.9.22-6.el9
+	 
+If "s-nail" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257843"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257843r925516_rule" weight="10.0" severity="medium"><version>RHEL-09-231010</version><title>A separate RHEL 9 file system must be used for user home directories (such as /home or an equivalent).</title><description>&lt;VulnDiscussion&gt;Ensuring that "/home" is mounted on its own partition enables the setting of more restrictive mount options, and also helps ensure that users cannot trivially fill partitions used for log or audit data storage.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61508r925515_fix">Migrate the "/home" directory onto a separate file system/partition.</fixtext><fix id="F-61508r925515_fix" /><check system="C-61584r925514_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a separate file system/partition has been created for "/home" with the following command:
+
+$ mount | grep /home
+
+UUID=fba5000f-2ffa-4417-90eb-8c54ae74a32f on /home type ext4 (rw,nodev,nosuid,noexec,seclabel)
+
+If a separate entry for "/home" is not in use, this is a finding.</check-content></check></Rule></Group><Group id="V-257844"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257844r925519_rule" weight="10.0" severity="medium"><version>RHEL-09-231015</version><title>RHEL 9 must use a separate file system for /tmp.</title><description>&lt;VulnDiscussion&gt;The "/tmp" partition is used as temporary storage by many programs. Placing "/tmp" in its own partition enables the setting of more restrictive mount options, which can help protect programs that use it.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61509r925518_fix">Migrate the "/tmp" path onto a separate file system.</fixtext><fix id="F-61509r925518_fix" /><check system="C-61585r925517_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a separate file system/partition has been created for "/tmp" with the following command:
+
+$ mount | grep /tmp 
+
+tmpfs /tmp tmpfs noatime,mode=1777 0 0
+
+If a separate entry for "/tmp" is not in use, this is a finding.</check-content></check></Rule></Group><Group id="V-257845"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257845r925522_rule" weight="10.0" severity="low"><version>RHEL-09-231020</version><title>RHEL 9 must use a separate file system for /var.</title><description>&lt;VulnDiscussion&gt;Ensuring that "/var" is mounted on its own partition enables the setting of more restrictive mount options. This helps protect system services such as daemons or other programs which use it. It is not uncommon for the "/var" directory to contain world-writable directories installed by other software packages.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61510r925521_fix">Migrate the "/var" path onto a separate file system.</fixtext><fix id="F-61510r925521_fix" /><check system="C-61586r925520_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a separate file system/partition has been created for "/var" with the following command:
+
+$ mount | grep /var
+
+UUID=c274f65f-c5b5-4481-b007-bee96feb8b05 /var xfs noatime 1 2
+
+If a separate entry for "/var" is not in use, this is a finding.</check-content></check></Rule></Group><Group id="V-257846"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257846r925525_rule" weight="10.0" severity="low"><version>RHEL-09-231025</version><title>RHEL 9 must use a separate file system for /var/log.</title><description>&lt;VulnDiscussion&gt;Placing "/var/log" in its own partition enables better separation between log files and other files in "/var/".&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61511r925524_fix">Migrate the "/var/log" path onto a separate file system.</fixtext><fix id="F-61511r925524_fix" /><check system="C-61587r925523_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a separate file system/partition has been created for "/var/log" with the following command:
+
+$ mount | grep /var/log
+
+UUID=c274f65f-c5b5-4486-b021-bee96feb8b21 /var/log xfs noatime 1 2
+
+If a separate entry for "/var/log" is not in use, this is a finding.</check-content></check></Rule></Group><Group id="V-257847"><title>SRG-OS-000341-GPOS-00132</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257847r925528_rule" weight="10.0" severity="low"><version>RHEL-09-231030</version><title>RHEL 9 must use a separate file system for the system audit data path.</title><description>&lt;VulnDiscussion&gt;Placing "/var/log/audit" in its own partition enables better separation between audit files and other system files, and helps ensure that auditing cannot be halted due to the partition running out of space.
+
+Satisfies: SRG-OS-000341-GPOS-00132, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001849</ident><fixtext fixref="F-61512r925527_fix">Migrate the system audit data path onto a separate file system.</fixtext><fix id="F-61512r925527_fix" /><check system="C-61588r925526_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a separate file system/partition has been created for the system audit data path with the following command:
+
+Note: /var/log/audit is used as the example as it is a common location.
+
+$ mount | grep /var/log/audit 
+
+UUID=2efb2979-45ac-82d7-0ae632d11f51 on /var/log/home type xfs  (rw,realtime,seclabel,attr2,inode64)
+
+If no line is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257848"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257848r925531_rule" weight="10.0" severity="medium"><version>RHEL-09-231035</version><title>RHEL 9 must use a separate file system for /var/tmp.</title><description>&lt;VulnDiscussion&gt;The "/var/tmp" partition is used as temporary storage by many programs. Placing "/var/tmp" in its own partition enables the setting of more restrictive mount options, which can help protect programs that use it.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61513r925530_fix">Migrate the "/var/tmp" path onto a separate file system.</fixtext><fix id="F-61513r925530_fix" /><check system="C-61589r925529_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that a separate file system/partition has been created for "/var/tmp" with the following command:
+
+$ mount | grep /var/tmp
+
+UUID=c274f65f-c5b5-4379-b017-bee96feb7a34 /var/log xfs noatime 1 2
+
+If a separate entry for "/var/tmp" is not in use, this is a finding.</check-content></check></Rule></Group><Group id="V-257849"><title>SRG-OS-000114-GPOS-00059</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257849r925534_rule" weight="10.0" severity="medium"><version>RHEL-09-231040</version><title>RHEL 9 file system automount function must be disabled unless required.</title><description>&lt;VulnDiscussion&gt;An authentication process resists replay attacks if it is impractical to achieve a successful authentication by recording and replaying a previous authentication message.
+
+Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000778</ident><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61514r925533_fix">Configure RHEL 9 to disable the ability to automount devices.
+
+The autofs service can be disabled with the following command:
+
+$ sudo systemctl mask --now autofs.service</fixtext><fix id="F-61514r925533_fix" /><check system="C-61590r925532_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 file system automount function has been disabled with the following command:
+
+$ sudo systemctl is-enabled  autofs
+
+masked
+
+If the returned value is not "masked", "disabled", "Failed to get unit file state for autofs.service for autofs", or "enabled", and is not documented as operational requirement with the information system security officer ISSO, this is a finding.</check-content></check></Rule></Group><Group id="V-257850"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257850r925537_rule" weight="10.0" severity="medium"><version>RHEL-09-231045</version><title>RHEL 9 must prevent device files from being interpreted on file systems that contain user home directories.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61515r925536_fix">Modify "/etc/fstab" to use the "nodev" option on the "/home" directory.</fixtext><fix id="F-61515r925536_fix" /><check system="C-61591r925535_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/home" is mounted with the "nodev" option with the following command:
+
+Note: If a separate file system has not been created for the user home directories (user home directories are mounted under "/"), this is automatically a finding, as the "nodev" option cannot be used on the "/" system.
+
+$ mount | grep /home
+
+tmpfs on /home type tmpfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/home" file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257851"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257851r925540_rule" weight="10.0" severity="medium"><version>RHEL-09-231050</version><title>RHEL 9 must prevent files with the setuid and setgid bit set from being executed on file systems that contain user home directories.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+Satisfies: SRG-OS-000368-GPOS-00154, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61516r925539_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/home" directory.</fixtext><fix id="F-61516r925539_fix" /><check system="C-61592r925538_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/home" is mounted with the "nosuid" option with the following command:
+
+Note: If a separate file system has not been created for the user home directories (user home directories are mounted under "/"), this is automatically a finding, as the "nosuid" option cannot be used on the "/" system.
+
+$ mount | grep /home
+
+tmpfs on /home type tmpfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/home" file system is mounted without the "nosuid" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257852"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257852r925543_rule" weight="10.0" severity="medium"><version>RHEL-09-231055</version><title>RHEL 9 must prevent code from being executed on file systems that contain user home directories.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61517r925542_fix">Modify "/etc/fstab" to use the "noexec" option on the "/home" directory.</fixtext><fix id="F-61517r925542_fix" /><check system="C-61593r925541_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/home" is mounted with the "noexec" option with the following command:
+
+Note: If a separate file system has not been created for the user home directories (user home directories are mounted under "/"), this is automatically a finding, as the "noexec" option cannot be used on the "/" system.
+
+$ mount | grep /home
+
+tmpfs on /home type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/home" file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257853"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257853r925546_rule" weight="10.0" severity="medium"><version>RHEL-09-231060</version><title>RHEL 9 must be configured so that the Network File System (NFS) is configured to use RPCSEC_GSS.</title><description>&lt;VulnDiscussion&gt;When an NFS server is configured to use RPCSEC_SYS, a selected userid and groupid are used to handle requests from the remote user. The userid and groupid could mistakenly or maliciously be set incorrectly. The RPCSEC_GSS method of authentication uses certificates on the server and client systems to more securely authenticate the remote mount request.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61518r925545_fix">Update the "/etc/fstab" file so the option "sec" is defined for each NFS mounted file system and the "sec" option does not have the "sys" setting. 
+
+Ensure the "sec" option is defined as "krb5p:krb5i:krb5".</fixtext><fix id="F-61518r925545_fix" /><check system="C-61594r925544_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 has the "sec" option configured for all NFS mounts with the following command:
+
+Note: If no NFS mounts are configured, this requirement is Not Applicable.
+
+$ cat /etc/fstab | grep nfs
+
+192.168.22.2:/mnt/export /data nfs4 rw,nosuid,nodev,noexec,sync,soft,sec=krb5p:krb5i:krb5
+
+If the system is mounting file systems via NFS and has the sec option without the "krb5:krb5i:krb5p" settings, the "sec" option has the "sys" setting, or the "sec" option is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257854"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257854r925549_rule" weight="10.0" severity="medium"><version>RHEL-09-231065</version><title>RHEL 9 must prevent special devices on file systems that are imported via Network File System (NFS).</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61519r925548_fix">Update each NFS mounted file system to use the "nodev" option on file systems that are being imported via NFS.</fixtext><fix id="F-61519r925548_fix" /><check system="C-61595r925547_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 has the "nodev" option configured for all NFS mounts with the following command:
+
+$ cat /etc/fstab | grep nfs
+
+192.168.22.2:/mnt/export /data nfs4 rw,nosuid,nodev,noexec,sync,soft,sec=krb5:krb5i:krb5p
+
+Note: If no NFS mounts are configured, this requirement is Not Applicable.
+
+If the system is mounting file systems via NFS and the "nodev" option is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257855"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257855r925552_rule" weight="10.0" severity="medium"><version>RHEL-09-231070</version><title>RHEL 9  must prevent code from being executed on file systems that are imported via Network File System (NFS).</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system not to execute binary files. This option must be used for mounting any file system not containing approved binary as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61520r925551_fix">Update each NFS mounted file system to use the "noexec" option on file systems that are being imported via NFS.</fixtext><fix id="F-61520r925551_fix" /><check system="C-61596r925550_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 has the "noexec" option configured for all NFS mounts with the following command:
+
+$ cat /etc/fstab | grep nfs
+
+192.168.22.2:/mnt/export /data nfs4 rw,nosuid,nodev,noexec,sync,soft,sec=krb5:krb5i:krb5p
+
+If no NFS mounts are configured, this requirement is Not Applicable.
+
+If the system is mounting file systems via NFS and the "noexec" option is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257856"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257856r925555_rule" weight="10.0" severity="medium"><version>RHEL-09-231075</version><title>RHEL 9 must prevent files with the setuid and setgid bit set from being executed on file systems that are imported via Network File System (NFS).</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system not to execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61521r925554_fix">Update each NFS mounted file system to use the "nosuid" option on file systems that are being imported via NFS.</fixtext><fix id="F-61521r925554_fix" /><check system="C-61597r925553_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 has the "nosuid" option configured for all NFS mounts with the following command:
+
+Note: If no NFS mounts are configured, this requirement is Not Applicable.
+
+$ cat /etc/fstab | grep nfs
+
+192.168.22.2:/mnt/export /data nfs4 rw,nosuid,nodev,noexec,sync,soft,sec=krb5:krb5i:krb5p
+
+If the system is mounting file systems via NFS and the "nosuid" option is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257857"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257857r925558_rule" weight="10.0" severity="medium"><version>RHEL-09-231080</version><title>RHEL 9 must prevent code from being executed on file systems that are used with removable media.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system not to execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61522r925557_fix">Configure the "/etc/fstab" to use the "noexec" option on file systems that are associated with removable media.</fixtext><fix id="F-61522r925557_fix" /><check system="C-61598r925556_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify file systems that are used for removable media are mounted with the "noexec" option with the following command:
+
+$ more /etc/fstab
+
+UUID=2bc871e4-e2a3-4f29-9ece-3be60c835222 /mnt/usbflash vfat noauto,owner,ro,nosuid,nodev,noexec 0 0
+
+If a file system found in "/etc/fstab" refers to removable media and it does not have the "noexec" option set, this is a finding.</check-content></check></Rule></Group><Group id="V-257858"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257858r925561_rule" weight="10.0" severity="medium"><version>RHEL-09-231085</version><title>RHEL 9 must prevent special devices on file systems that are used with removable media.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system not to interpret character or block special devices. Executing character or blocking special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61523r925560_fix">Configure the "/etc/fstab" to use the "nodev" option on file systems that are associated with removable media.</fixtext><fix id="F-61523r925560_fix" /><check system="C-61599r925559_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify file systems that are used for removable media are mounted with the "nodev" option with the following command:
+
+$ more /etc/fstab
+
+UUID=2bc871e4-e2a3-4f29-9ece-3be60c835222 /mnt/usbflash vfat noauto,owner,ro,nosuid,nodev,noexec 0 0
+
+If a file system found in "/etc/fstab" refers to removable media and it does not have the "nodev" option set, this is a finding.</check-content></check></Rule></Group><Group id="V-257859"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257859r925564_rule" weight="10.0" severity="medium"><version>RHEL-09-231090</version><title>RHEL 9 must prevent files with the setuid and setgid bit set from being executed on file systems that are used with removable media.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system not to execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61524r925563_fix">Configure the "/etc/fstab" to use the "nosuid" option on file systems that are associated with removable media.</fixtext><fix id="F-61524r925563_fix" /><check system="C-61600r925562_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify file systems that are used for removable media are mounted with the "nosuid" option with the following command:
+
+$ more /etc/fstab
+
+UUID=2bc871e4-e2a3-4f29-9ece-3be60c835222 /mnt/usbflash vfat noauto,owner,ro,nosuid,nodev,noexec 0 0
+
+If a file system found in "/etc/fstab" refers to removable media and it does not have the "nosuid" option set, this is a finding.</check-content></check></Rule></Group><Group id="V-257860"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257860r925567_rule" weight="10.0" severity="medium"><version>RHEL-09-231095</version><title>RHEL 9 must mount /boot with the nodev option.</title><description>&lt;VulnDiscussion&gt;The only legitimate location for device files is the "/dev" directory located on the root partition. The only exception to this is chroot jails.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61525r925566_fix">Modify "/etc/fstab" to use the "nodev" option on the "/boot" directory.</fixtext><fix id="F-61525r925566_fix" /><check system="C-61601r925565_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/boot" mount point has the "nodev" option is with the following command:
+
+Note: This control is not applicable to RHEL 9 system booted UEFI.
+  
+$ sudo mount | grep '\s/boot\s'
+
+/dev/sda1 on /boot type xfs (rw,nodev,relatime,seclabel,attr2)
+
+If the "/boot" file system does not have the "nodev" option set, this is a finding.</check-content></check></Rule></Group><Group id="V-257861"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257861r925570_rule" weight="10.0" severity="medium"><version>RHEL-09-231100</version><title>RHEL 9 must prevent files with the setuid and setgid bit set from being executed on the /boot directory.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system not to execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+Satisfies: SRG-OS-000368-GPOS-00154, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61526r925569_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/boot" directory.</fixtext><fix id="F-61526r925569_fix" /><check system="C-61602r925568_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Note: For systems that use UEFI, this requirement is Not Applicable.
+
+Verify the /boot directory is mounted with the "nosuid" option with the following command:
+
+$ mount | grep '\s/boot\s'
+
+/dev/sda1 on /boot type xfs (rw,nosuid,relatime,seclabe,attr2,inode64,noquota)
+
+If the /boot file system does not have the "nosuid" option set, this is a finding.</check-content></check></Rule></Group><Group id="V-257862"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257862r925573_rule" weight="10.0" severity="medium"><version>RHEL-09-231105</version><title>RHEL 9 must prevent files with the setuid and setgid bit set from being executed on the /boot/efi directory.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system not to execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+Satisfies: SRG-OS-000368-GPOS-00154, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61527r925572_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/boot/efi" directory.</fixtext><fix id="F-61527r925572_fix" /><check system="C-61603r925571_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Note: For systems that use BIOS, this requirement is Not Applicable.
+
+Verify the /boot/efi directory is mounted with the "nosuid" option with the following command:
+
+$ mount | grep '\s/boot/efi\s'
+
+/dev/sda1 on /boot/efi type vfat (rw,nosuid,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=ascii,shortname=winnt,errors=remount-ro)
+
+If the /boot/efi file system does not have the "nosuid" option set, this is a finding.</check-content></check></Rule></Group><Group id="V-257863"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257863r925576_rule" weight="10.0" severity="medium"><version>RHEL-09-231110</version><title>RHEL 9 must mount /dev/shm with the nodev option.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61528r925575_fix">Modify "/etc/fstab" to use the "nodev" option on the "/dev/shm" file system.</fixtext><fix id="F-61528r925575_fix" /><check system="C-61604r925574_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/dev/shm" is mounted with the "nodev" option with the following command:
+
+$ mount | grep /dev/shm
+
+tmpfs on /dev/shm type tmpfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the /dev/shm file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257864"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257864r925579_rule" weight="10.0" severity="medium"><version>RHEL-09-231115</version><title>RHEL 9 must mount /dev/shm with the noexec option.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61529r925578_fix">Modify "/etc/fstab" to use the "noexec" option on the "/dev/shm" file system.</fixtext><fix id="F-61529r925578_fix" /><check system="C-61605r925577_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/dev/shm" is mounted with the "noexec" option with the following command:
+
+$ mount | grep /dev/shm
+
+tmpfs on /dev/shm type tmpfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the /dev/shm file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257865"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257865r925582_rule" weight="10.0" severity="medium"><version>RHEL-09-231120</version><title>RHEL 9 must mount /dev/shm with the nosuid option.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61530r925581_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/dev/shm" file system.</fixtext><fix id="F-61530r925581_fix" /><check system="C-61606r925580_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/dev/shm" is mounted with the "nosuid" option with the following command:
+
+$ mount | grep /dev/shm
+
+tmpfs on /dev/shm type tmpfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the /dev/shm file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257866"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257866r925585_rule" weight="10.0" severity="medium"><version>RHEL-09-231125</version><title>RHEL 9 must mount /tmp with the nodev option.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61531r925584_fix">Modify "/etc/fstab" to use the "nodev" option on the "/tmp" directory.</fixtext><fix id="F-61531r925584_fix" /><check system="C-61607r925583_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/tmp" is mounted with the "nodev" option:
+
+$ mount | grep /tmp
+
+/dev/mapper/rhel-tmp on /tmp type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/tmp" file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257867"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257867r925588_rule" weight="10.0" severity="medium"><version>RHEL-09-231130</version><title>RHEL 9 must mount /tmp with the noexec option.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61532r925587_fix">Modify "/etc/fstab" to use the "noexec" option on the "/tmp" directory.</fixtext><fix id="F-61532r925587_fix" /><check system="C-61608r925586_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/tmp" is mounted with the "noexec" option:
+
+$ mount | grep /tmp
+
+/dev/mapper/rhel-tmp on /tmp type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/tmp" file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257868"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257868r925591_rule" weight="10.0" severity="medium"><version>RHEL-09-231135</version><title>RHEL 9 must mount /tmp with the nosuid option.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61533r925590_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/tmp" directory.</fixtext><fix id="F-61533r925590_fix" /><check system="C-61609r925589_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/tmp" is mounted with the "nosuid" option:
+
+$ mount | grep /tmp
+
+/dev/mapper/rhel-tmp on /tmp type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/tmp" file system is mounted without the "nosuid" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257869"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257869r925594_rule" weight="10.0" severity="medium"><version>RHEL-09-231140</version><title>RHEL 9 must mount /var with the nodev option.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61534r925593_fix">Modify "/etc/fstab" to use the "nodev" option on the "/var" directory.</fixtext><fix id="F-61534r925593_fix" /><check system="C-61610r925592_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var" is mounted with the "nodev" option:
+
+$ mount | grep /var
+
+/dev/mapper/rhel-var on /var type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var" file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257870"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257870r925597_rule" weight="10.0" severity="medium"><version>RHEL-09-231145</version><title>RHEL 9 must mount /var/log with the nodev option.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61535r925596_fix">Modify "/etc/fstab" to use the "nodev" option on the "/var/log" directory.</fixtext><fix id="F-61535r925596_fix" /><check system="C-61611r925595_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/log" is mounted with the "nodev" option:
+
+$ mount | grep /var/log
+
+/dev/mapper/rhel-var-log on /var/log type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/log" file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257871"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257871r925600_rule" weight="10.0" severity="medium"><version>RHEL-09-231150</version><title>RHEL 9 must mount /var/log with the noexec option.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61536r925599_fix">Modify "/etc/fstab" to use the "noexec" option on the "/var/log" directory.</fixtext><fix id="F-61536r925599_fix" /><check system="C-61612r925598_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/log" is mounted with the "noexec" option:
+
+$ mount | grep /var/log
+
+/dev/mapper/rhel-var-log on /var/log type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/log" file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257872"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257872r925603_rule" weight="10.0" severity="medium"><version>RHEL-09-231155</version><title>RHEL 9 must mount /var/log with the nosuid option.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61537r925602_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/var/log" directory.</fixtext><fix id="F-61537r925602_fix" /><check system="C-61613r925601_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/log" is mounted with the "nosuid" option:
+
+$ mount | grep /var/log
+
+/dev/mapper/rhel-var-log on /var/log type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/log" file system is mounted without the "nosuid" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257873"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257873r925606_rule" weight="10.0" severity="medium"><version>RHEL-09-231160</version><title>RHEL 9 must mount /var/log/audit with the nodev option.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61538r925605_fix">Modify "/etc/fstab" to use the "nodev" option on the "/var/log/audit" directory.</fixtext><fix id="F-61538r925605_fix" /><check system="C-61614r925604_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/log/audit" is mounted with the "nodev" option:
+
+$ mount | grep /var/log/audit
+
+/dev/mapper/rhel-var-log-audit on /var/log/audit type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/log/audit" file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257874"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257874r925609_rule" weight="10.0" severity="medium"><version>RHEL-09-231165</version><title>RHEL 9 must mount /var/log/audit with the noexec option.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61539r925608_fix">Modify "/etc/fstab" to use the "noexec" option on the "/var/log/audit" directory.</fixtext><fix id="F-61539r925608_fix" /><check system="C-61615r925607_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/log/audit" is mounted with the "noexec" option:
+
+$ mount | grep /var/log/audit
+
+/dev/mapper/rhel-var-log-audit on /var/log/audit type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/log/audit" file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257875"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257875r925612_rule" weight="10.0" severity="medium"><version>RHEL-09-231170</version><title>RHEL 9 must mount /var/log/audit with the nosuid option.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61540r925611_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/var/log/audit" directory.</fixtext><fix id="F-61540r925611_fix" /><check system="C-61616r925610_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/log/audit" is mounted with the "nosuid" option:
+
+$ mount | grep /var/log/audit
+
+/dev/mapper/rhel-var-log-audit on /var/log/audit type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/log/audit" file system is mounted without the "nosuid" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257876"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257876r925615_rule" weight="10.0" severity="medium"><version>RHEL-09-231175</version><title>RHEL 9 must mount /var/tmp with the nodev option.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61541r925614_fix">Modify "/etc/fstab" to use the "nodev" option on the "/var/tmp" directory.</fixtext><fix id="F-61541r925614_fix" /><check system="C-61617r925613_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/tmp" is mounted with the "nodev" option:
+
+$ mount | grep /var/tmp
+
+/dev/mapper/rhel-var-tmp on /var/tmp type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/tmp" file system is mounted without the "nodev" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257877"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257877r925618_rule" weight="10.0" severity="medium"><version>RHEL-09-231180</version><title>RHEL 9 must mount /var/tmp with the noexec option.</title><description>&lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file system not containing approved binary files, as they may be incompatible. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61542r925617_fix">Modify "/etc/fstab" to use the "noexec" option on the "/var/tmp" directory.</fixtext><fix id="F-61542r925617_fix" /><check system="C-61618r925616_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/tmp" is mounted with the "noexec" option:
+
+$ mount | grep /var/tmp
+
+/dev/mapper/rhel-var-tmp on /var/tmp type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/tmp" file system is mounted without the "noexec" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257878"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257878r925621_rule" weight="10.0" severity="medium"><version>RHEL-09-231185</version><title>RHEL 9 must mount /var/tmp with the nosuid option.</title><description>&lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option must be used for mounting any file system not containing approved "setuid" and "setguid" files. Executing files from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61543r925620_fix">Modify "/etc/fstab" to use the "nosuid" option on the "/var/tmp" directory.</fixtext><fix id="F-61543r925620_fix" /><check system="C-61619r925619_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "/var/tmp" is mounted with the "nosuid" option:
+
+$ mount | grep /var/tmp
+
+/dev/mapper/rhel-var-tmp on /var/tmp type xfs (rw,nodev,nosuid,noexec,seclabel)
+
+If the "/var/tmp" file system is mounted without the "nosuid" option, this is a finding.</check-content></check></Rule></Group><Group id="V-257879"><title>SRG-OS-000405-GPOS-00184</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257879r925624_rule" weight="10.0" severity="high"><version>RHEL-09-231190</version><title>RHEL 9 local disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at rest protection.</title><description>&lt;VulnDiscussion&gt;RHEL 9 systems handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest.
+
+Selection of a cryptographic mechanism is based on the need to protect the integrity of organizational information. The strength of the mechanism is commensurate with the security category and/or classification of the information. Organizations have the flexibility to either encrypt all information on storage devices (i.e., full disk encryption) or encrypt specific data structures (e.g., files, records, or fields).
+
+Satisfies: SRG-OS-000405-GPOS-00184, SRG-OS-000185-GPOS-00079, SRG-OS-000404-GPOS-00183&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001199</ident><ident system="http://cyber.mil/cci">CCI-002475</ident><ident system="http://cyber.mil/cci">CCI-002476</ident><fixtext fixref="F-61544r925623_fix">Configure RHEL 9 to prevent unauthorized modification of all information at rest by using disk encryption.
+
+Encrypting a partition in an already installed system is more difficult, because existing partitions will need to be resized and changed.
+
+To encrypt an entire partition, dedicate a partition for encryption in the partition layout.</fixtext><fix id="F-61544r925623_fix" /><check system="C-61620r925622_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents unauthorized disclosure or modification of all information requiring at-rest protection by using disk encryption. 
+
+Note: If there is a documented and approved reason for not having data-at-rest encryption, this requirement is Not Applicable.
+
+Verify all system partitions are encrypted with the following command:
+
+$ blkid
+
+/dev/map per/rhel-root:  UUID="67b7d7fe-de60-6fd0-befb-e6748cf97743" TYPE="crypto_LUKS"
+
+Every persistent disk partition present must be of type "crypto_LUKS". If any partitions other than the boot partition or pseudo file systems (such as /proc or /sys) or temporary file systems (that are tmpfs) are not type "crypto_LUKS", ask the administrator to indicate how the partitions are encrypted.  If there is no evidence that these partitions are encrypted, this is a finding.</check-content></check></Rule></Group><Group id="V-257880"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257880r925627_rule" weight="10.0" severity="low"><version>RHEL-09-231195</version><title>RHEL 9 must disable mounting of cramfs.</title><description>&lt;VulnDiscussion&gt;It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
+
+Removing support for unneeded filesystem types reduces the local attack surface of the server.
+
+Compressed ROM/RAM file system (or cramfs) is a read-only file system designed for simplicity and space-efficiency. It is mainly used in embedded and small-footprint systems.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><fixtext fixref="F-61545r925626_fix">To configure the system to prevent the cramfs kernel module from being loaded, add the following line to the file /etc/modprobe.d/blacklist.conf (or create blacklist.conf if it does not exist):
+
+install tipc /bin/false
+blacklist cramfs</fixtext><fix id="F-61545r925626_fix" /><check system="C-61621r925625_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the cramfs kernel module with the following command:
+
+$ sudo grep -r cramfs /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist cramfs
+
+If the command does not return any output, or the line is commented out, and use of cramfs is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-257881"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257881r925630_rule" weight="10.0" severity="medium"><version>RHEL-09-231200</version><title>RHEL 9 must prevent special devices on non-root local partitions.</title><description>&lt;VulnDiscussion&gt;The "nodev" mount option causes the system to not interpret character or block special devices. Executing character or block special devices from untrusted file systems increases the opportunity for nonprivileged users to attain unauthorized administrative access.
+
+The only legitimate location for device files is the "/dev" directory located on the root partition, with the exception of chroot jails if implemented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61546r925629_fix">Configure the "/etc/fstab" to use the "nodev" option on all non-root local partitions.</fixtext><fix id="F-61546r925629_fix" /><check system="C-61622r925628_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify all non-root local partitions are mounted with the "nodev" option with the following command:
+
+$ sudo mount | grep '^/dev\S* on /\S' | grep --invert-match 'nodev'
+
+If any output is produced, this is a finding.</check-content></check></Rule></Group><Group id="V-257882"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257882r925633_rule" weight="10.0" severity="medium"><version>RHEL-09-232010</version><title>RHEL 9 system commands must have mode 755 or less permissive.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61547r925632_fix">Configure the system commands to be protected from unauthorized access.
+
+Run the following command, replacing "[FILE]" with any system command with a mode more permissive than "755".
+
+$ sudo chmod 755 [FILE]</fixtext><fix id="F-61547r925632_fix" /><check system="C-61623r925631_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system commands contained in the following directories have mode "755" or less permissive with the following command:
+
+$ sudo find -L /bin /sbin /usr/bin /usr/sbin /usr/libexec /usr/local/bin /usr/local/sbin -perm /022 -exec ls -l {} \;
+
+If any system commands are found to be group-writable or world-writable, this is a finding.</check-content></check></Rule></Group><Group id="V-257883"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257883r925636_rule" weight="10.0" severity="medium"><version>RHEL-09-232015</version><title>RHEL 9 library directories must have mode 755 or less permissive.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61548r925635_fix">Configure the system-wide shared library directories (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access. 
+
+Run the following command, replacing "[DIRECTORY]" with any library directory with a mode more permissive than 755.
+
+$ sudo chmod 755 [DIRECTORY]</fixtext><fix id="F-61548r925635_fix" /><check system="C-61624r925634_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system-wide shared library directories have mode "755" or less permissive with the following command:
+
+$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 -perm /022 -type d -exec ls -l {} \;
+
+If any system-wide shared library file is found to be group-writable or world-writable, this is a finding.</check-content></check></Rule></Group><Group id="V-257884"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257884r925639_rule" weight="10.0" severity="medium"><version>RHEL-09-232020</version><title>RHEL 9 library files must have mode 755 or less permissive.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61549r925638_fix">Configure the library files to be protected from unauthorized access. Run the following command, replacing "[FILE]" with any library file with a mode more permissive than 755.
+
+$ sudo chmod 755 [FILE]</fixtext><fix id="F-61549r925638_fix" /><check system="C-61625r925637_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system-wide shared library files contained in the following directories have mode "755" or less permissive with the following command:
+
+$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 -perm /022 -type f -exec ls -l {} \;
+
+If any system-wide shared library file is found to be group-writable or world-writable, this is a finding.</check-content></check></Rule></Group><Group id="V-257885"><title>SRG-OS-000206-GPOS-00084</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257885r925642_rule" weight="10.0" severity="medium"><version>RHEL-09-232025</version><title>RHEL 9 /var/log directory must have mode 0755 or less permissive.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, personally identifiable information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61550r925641_fix">Configure the "/var/log" directory to a mode of "0755" by running the following command:
+
+$ sudo chmod 0755 /var/log</fixtext><fix id="F-61550r925641_fix" /><check system="C-61626r925640_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/var/log" directory has a mode of "0755" or less permissive with the following command:
+
+$ ls -ld /var/log
+
+drwxr-xr-x. 16 root root 4096 July 11 11:34 /var/log
+
+If "/var/log" does not have a mode of "0755" or less permissive, this is a finding.</check-content></check></Rule></Group><Group id="V-257886"><title>SRG-OS-000206-GPOS-00084</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257886r925645_rule" weight="10.0" severity="medium"><version>RHEL-09-232030</version><title>RHEL 9 /var/log/messages file must have mode 0640 or less permissive.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, personally identifiable information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61551r925644_fix">Configure the "/var/log/messages" file to have a mode of "0640" by running the following command:
+
+$ sudo chmod 0640 /var/log/messages</fixtext><fix id="F-61551r925644_fix" /><check system="C-61627r925643_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/var/log/messages" file has a mode of "0640" or less permissive with the following command:
+
+$ ls -la /var/log/messages
+
+rw-------. 1 root root 564223 July 11 11:34 /var/log/messages
+
+If "/var/log/messages" does not have a mode of "0640" or less permissive, this is a finding.</check-content></check></Rule></Group><Group id="V-257887"><title>SRG-OS-000256-GPOS-00097</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257887r925648_rule" weight="10.0" severity="medium"><version>RHEL-09-232035</version><title>RHEL 9 audit tools must have a mode of 0755 or less permissive.</title><description>&lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operation on audit information.
+
+RHEL 9 systems providing tools to interface with audit information will leverage user permissions and roles identifying the user accessing the tools, and the corresponding rights the user enjoys, to make access decisions regarding the access to audit tools.
+
+Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001493</ident><fixtext fixref="F-61552r925647_fix">Configure the audit tools to have a mode of "0755" by running the following command:
+
+$ sudo chmod 0755 [audit_tool]
+
+Replace "[audit_tool]" with each audit tool that has a more permissive mode than 0755.</fixtext><fix id="F-61552r925647_fix" /><check system="C-61628r925646_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit tools have a mode of "0755" or less with the following command:
+
+$ stat -c "%a %n" /sbin/auditctl /sbin/aureport /sbin/ausearch /sbin/autrace /sbin/auditd /sbin/rsyslogd /sbin/augenrules
+
+755 /sbin/auditctl
+755 /sbin/aureport
+755 /sbin/ausearch
+750 /sbin/autrace
+755 /sbin/auditd
+755 /sbin/rsyslogd
+755 /sbin/augenrules
+
+If any of the audit tool files have a mode more permissive than "0755", this is a finding.</check-content></check></Rule></Group><Group id="V-257888"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257888r925651_rule" weight="10.0" severity="medium"><version>RHEL-09-232040</version><title>RHEL 9 cron configuration directories must have a mode of 0700 or less permissive.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services that if configured incorrectly can lead to insecure and vulnerable configurations. Therefore, service configuration files should have the correct access rights to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61553r925650_fix">Configure any RHEL 9 cron configuration directory with a mode more permissive than "0700" as follows:
+
+chmod 0700 [cron configuration directory]</fixtext><fix id="F-61553r925650_fix" /><check system="C-61629r925649_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the permissions of the cron directories with the following command:
+
+$ find /etc/cron* -type d | xargs stat -c "%a %n"
+
+700 /etc/cron.d
+700 /etc/cron.daily
+700 /etc/cron.hourly
+700 /etc/cron.monthly
+700 /etc/cron.weekly
+
+If any cron configuration directory is more permissive than "700", this is a finding.</check-content></check></Rule></Group><Group id="V-257889"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257889r925654_rule" weight="10.0" severity="medium"><version>RHEL-09-232045</version><title>All RHEL 9 local initialization files must have mode 0740 or less permissive.</title><description>&lt;VulnDiscussion&gt;Local initialization files are used to configure the user's shell environment upon logon. Malicious modification of these files could compromise accounts upon logon.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61554r925653_fix">Set the mode of the local initialization files to "0740" with the following command:
+
+Note: The example will be for the wadea user, who has a home directory of "/home/wadea".
+
+$ sudo chmod 0740 /home/wadea/.&lt;INIT_FILE&gt;</fixtext><fix id="F-61554r925653_fix" /><check system="C-61630r925652_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that all local initialization files have a mode of "0740" or less permissive with the following command:
+
+Note: The example will be for the "wadea" user, who has a home directory of "/home/wadea".
+
+$ sudo ls -al /home/wadea/.[^.]* | more
+
+-rwxr-xr-x 1 wadea users 896 Mar 10 2011 .profile
+-rwxr-xr-x 1 wadea users 497 Jan 6 2007 .login
+-rwxr-xr-x 1 wadea users 886 Jan 6 2007 .something
+
+If any local initialization files have a mode more permissive than "0740", this is a finding.</check-content></check></Rule></Group><Group id="V-257890"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257890r925657_rule" weight="10.0" severity="medium"><version>RHEL-09-232050</version><title>All RHEL 9 local interactive user home directories must have mode 0750 or less permissive.</title><description>&lt;VulnDiscussion&gt;Excessive permissions on local interactive user home directories may allow unauthorized access to user files by other users.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61555r925656_fix">Change the mode of interactive user's home directories to "0750". To change the mode of a local interactive user's home directory, use the following command:
+
+Note: The example will be for the user "wadea".
+
+$ sudo chmod 0750 /home/wadea</fixtext><fix id="F-61555r925656_fix" /><check system="C-61631r925655_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the assigned home directory of all local interactive users has a mode of "0750" or less permissive with the following command:
+
+Note: This may miss interactive users that have been assigned a privileged user identifier (UID). Evidence of interactive use may be obtained from a number of log files containing system logon information.
+
+$ sudo ls -ld $(awk -F: '($3&gt;=1000)&amp;&amp;($7 !~ /nologin/){print $6}' /etc/passwd)
+
+drwxr-x--- 2 wadea admin 4096 Jun 5 12:41 wadea
+
+If home directories referenced in "/etc/passwd" do not have a mode of "0750" or less permissive, this is a finding.</check-content></check></Rule></Group><Group id="V-257891"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257891r925660_rule" weight="10.0" severity="medium"><version>RHEL-09-232055</version><title>RHEL 9 /etc/group file must have mode 0644 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is important for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61556r925659_fix">Change the mode of the file "/etc/group" to "0644" by running the following command:
+
+$ sudo chmod 0644 /etc/group</fixtext><fix id="F-61556r925659_fix" /><check system="C-61632r925658_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/group" file has mode "0644" or less permissive with the following command:
+
+$ sudo stat -c "%a %n" /etc/group
+
+644 /etc/group
+
+If a value of "0644" or less permissive is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257892"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257892r925663_rule" weight="10.0" severity="medium"><version>RHEL-09-232060</version><title>RHEL 9 /etc/group- file must have mode 0644 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/group-" file is a backup file of "/etc/group", and as such, contains information regarding groups that are configured on the system. Protection of this file is important for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61557r925662_fix">Change the mode of the file "/etc/group-" to "0644" by running the following command:
+
+$ sudo chmod 0644 /etc/group-</fixtext><fix id="F-61557r925662_fix" /><check system="C-61633r925661_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/group-" file has mode "0644" or less permissive with the following command:
+
+$ sudo stat -c "%a %n" /etc/group-
+
+644 /etc/group-
+
+If a value of "0644" or less permissive is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257893"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257893r925666_rule" weight="10.0" severity="medium"><version>RHEL-09-232065</version><title>RHEL 9 /etc/gshadow file must have mode 0000 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/gshadow" file contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61558r925665_fix">Change the mode of the file "/etc/gshadow" to "0000" by running the following command:
+
+$ sudo chmod 0000 /etc/gshadow</fixtext><fix id="F-61558r925665_fix" /><check system="C-61634r925664_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/gshadow" file has mode "0000" with the following command:
+
+$ sudo stat -c "%a %n" /etc/gshadow
+
+0 /etc/gshadow
+
+If a value of "0" is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257894"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257894r925669_rule" weight="10.0" severity="medium"><version>RHEL-09-232070</version><title>RHEL 9 /etc/gshadow- file must have mode 0000 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/gshadow-" file is a backup of "/etc/gshadow", and as such, contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61559r925668_fix">Change the mode of the file "/etc/gshadow-" to "0000" by running the following command:
+
+$ sudo chmod 0000 /etc/gshadow-</fixtext><fix id="F-61559r925668_fix" /><check system="C-61635r925667_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/gshadow-" file has mode "0000" with the following command:
+
+$ sudo stat -c "%a %n" /etc/gshadow-
+
+0 /etc/gshadow-
+
+If a value of "0" is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257895"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257895r925672_rule" weight="10.0" severity="medium"><version>RHEL-09-232075</version><title>RHEL 9 /etc/passwd file must have mode 0644 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;If the "/etc/passwd" file is writable by a group-owner or the world the risk of its compromise is increased. The file contains the list of accounts on the system and associated information, and protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61560r925671_fix">Change the mode of the file "/etc/passwd" to "0644" by running the following command:
+
+$ sudo chmod 0644 /etc/passwd</fixtext><fix id="F-61560r925671_fix" /><check system="C-61636r925670_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/passwd" file has mode "0644" or less permissive with the following command:
+
+$ sudo stat -c "%a %n" /etc/passwd
+
+644 /etc/passwd
+
+If a value of "0644" or less permissive is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257896"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257896r925675_rule" weight="10.0" severity="medium"><version>RHEL-09-232080</version><title>RHEL 9 /etc/passwd- file must have mode 0644 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such, contains information about the users that are configured on the system. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61561r925674_fix">Change the mode of the file "/etc/passwd-" to "0644" by running the following command:
+
+$ sudo chmod 0644 /etc/passwd-</fixtext><fix id="F-61561r925674_fix" /><check system="C-61637r925673_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/passwd-" file has mode "0644" or less permissive with the following command:
+
+$ sudo stat -c "%a %n" /etc/passwd-
+
+644 /etc/passwd-
+
+If a value of "0644" or less permissive is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257897"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257897r925678_rule" weight="10.0" severity="medium"><version>RHEL-09-232085</version><title>RHEL 9 /etc/shadow- file must have mode 0000 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/shadow-" file is a backup file of "/etc/shadow", and as such, contains the list of local system accounts and password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61562r925677_fix">Change the mode of the file "/etc/shadow-" to "0000" by running the following command:
+
+$ sudo chmod 0000 /etc/shadow-</fixtext><fix id="F-61562r925677_fix" /><check system="C-61638r925676_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/shadow-" file has mode "0000" with the following command:
+
+$ sudo stat -c "%a %n" /etc/shadow-
+
+0 /etc/shadow-
+
+If a value of "0" is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257898"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257898r925681_rule" weight="10.0" severity="medium"><version>RHEL-09-232090</version><title>RHEL 9 /etc/group file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is important for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61563r925680_fix">Change the owner of the file /etc/group to root by running the following command:
+
+$ sudo chown root /etc/group</fixtext><fix id="F-61563r925680_fix" /><check system="C-61639r925679_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/group" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/group 
+
+root /etc/group 
+
+If "/etc/group" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257899"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257899r925684_rule" weight="10.0" severity="medium"><version>RHEL-09-232095</version><title>RHEL 9 /etc/group file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is important for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61564r925683_fix">Change the group of the file /etc/group to root by running the following command:
+
+$ sudo chgrp root /etc/group</fixtext><fix id="F-61564r925683_fix" /><check system="C-61640r925682_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/group" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/group 
+
+root /etc/group
+
+If "/etc/group" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257900"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257900r925687_rule" weight="10.0" severity="medium"><version>RHEL-09-232100</version><title>RHEL 9 /etc/group- file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/group-" file is a backup file of "/etc/group", and as such, contains information regarding groups that are configured on the system. Protection of this file is important for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61565r925686_fix">Change the owner of the file /etc/group- to root by running the following command:
+
+$ sudo chown root /etc/group-</fixtext><fix id="F-61565r925686_fix" /><check system="C-61641r925685_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/group-" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/group- 
+
+root /etc/group- 
+
+If "/etc/group-" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257901"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257901r925690_rule" weight="10.0" severity="medium"><version>RHEL-09-232105</version><title>RHEL 9 /etc/group- file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/group-" file is a backup file of "/etc/group", and as such, contains information regarding groups that are configured on the system. Protection of this file is important for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61566r925689_fix">Change the group of the file /etc/group- to root by running the following command:
+
+$ sudo chgrp root /etc/group-</fixtext><fix id="F-61566r925689_fix" /><check system="C-61642r925688_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/group-" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/group- 
+
+root /etc/group-
+
+If "/etc/group-" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257902"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257902r925693_rule" weight="10.0" severity="medium"><version>RHEL-09-232110</version><title>RHEL 9 /etc/gshadow file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/gshadow" file contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61567r925692_fix">Change the owner of the file /etc/gshadow to root by running the following command:
+
+$ sudo chown root /etc/gshadow</fixtext><fix id="F-61567r925692_fix" /><check system="C-61643r925691_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/gshadow" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/gshadow 
+
+root /etc/gshadow 
+
+If "/etc/gshadow" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257903"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257903r925696_rule" weight="10.0" severity="medium"><version>RHEL-09-232115</version><title>RHEL 9 /etc/gshadow file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/gshadow" file contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61568r925695_fix">Change the group of the file /etc/gshadow to root by running the following command:
+
+$ sudo chgrp root /etc/gshadow</fixtext><fix id="F-61568r925695_fix" /><check system="C-61644r925694_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/gshadow" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/gshadow 
+
+root /etc/gshadow
+
+If "/etc/gshadow" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257904"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257904r925699_rule" weight="10.0" severity="medium"><version>RHEL-09-232120</version><title>RHEL 9 /etc/gshadow- file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/gshadow-" file is a backup of "/etc/gshadow", and as such, contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61569r925698_fix">Change the owner of the file /etc/gshadow- to root by running the following command:
+
+$ sudo chown root /etc/gshadow-</fixtext><fix id="F-61569r925698_fix" /><check system="C-61645r925697_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/gshadow-" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/gshadow- 
+
+root /etc/gshadow- 
+
+If "/etc/gshadow-" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257905"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257905r925702_rule" weight="10.0" severity="medium"><version>RHEL-09-232125</version><title>RHEL 9 /etc/gshadow- file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/gshadow-" file is a backup of "/etc/gshadow", and as such, contains group password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61570r925701_fix">Change the group of the file /etc/gshadow- to root by running the following command:
+
+$ sudo chgrp root /etc/gshadow-</fixtext><fix id="F-61570r925701_fix" /><check system="C-61646r925700_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/gshadow-" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/gshadow- 
+
+root /etc/gshadow-
+
+If "/etc/gshadow-" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257906"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257906r925705_rule" weight="10.0" severity="medium"><version>RHEL-09-232130</version><title>RHEL 9 /etc/passwd file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/passwd" file contains information about the users that are configured on the system. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61571r925704_fix">Change the owner of the file /etc/passwd to root by running the following command:
+
+$ sudo chown root /etc/passwd</fixtext><fix id="F-61571r925704_fix" /><check system="C-61647r925703_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/passwd" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/passwd
+
+root /etc/passwd
+
+If "/etc/passwd" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257907"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257907r925708_rule" weight="10.0" severity="medium"><version>RHEL-09-232135</version><title>RHEL 9 /etc/passwd file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/passwd" file contains information about the users that are configured on the system. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61572r925707_fix">Change the group of the file /etc/passwd to root by running the following command:
+
+$ sudo chgrp root /etc/passwd</fixtext><fix id="F-61572r925707_fix" /><check system="C-61648r925706_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/passwd" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/passwd 
+
+root /etc/passwd
+
+If "/etc/passwd" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257908"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257908r925711_rule" weight="10.0" severity="medium"><version>RHEL-09-232140</version><title>RHEL 9 /etc/passwd- file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such, contains information about the users that are configured on the system. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61573r925710_fix">Change the owner of the file /etc/passwd- to root by running the following command:
+
+$ sudo chown root /etc/passwd-</fixtext><fix id="F-61573r925710_fix" /><check system="C-61649r925709_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/passwd-" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/passwd- 
+
+root /etc/passwd- 
+
+If "/etc/passwd-" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257909"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257909r925714_rule" weight="10.0" severity="medium"><version>RHEL-09-232145</version><title>RHEL 9 /etc/passwd- file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such, contains information about the users that are configured on the system. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61574r925713_fix">Change the group of the file /etc/passwd- to root by running the following command:
+
+$ sudo chgrp root /etc/passwd-</fixtext><fix id="F-61574r925713_fix" /><check system="C-61650r925712_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/passwd-" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/passwd-
+
+root /etc/passwd-
+
+If "/etc/passwd-" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257910"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257910r925717_rule" weight="10.0" severity="medium"><version>RHEL-09-232150</version><title>RHEL 9 /etc/shadow file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/shadow" file contains the list of local system accounts and stores password hashes. Protection of this file is critical for system security. Failure to give ownership of this file to root provides the designated owner with access to sensitive information, which could weaken the system security posture.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61575r925716_fix">Change the owner of the file /etc/shadow to root by running the following command:
+
+$ sudo chown root /etc/shadow</fixtext><fix id="F-61575r925716_fix" /><check system="C-61651r925715_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/shadow" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/shadow
+
+root /etc/shadow
+
+If "/etc/shadow" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257911"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257911r925720_rule" weight="10.0" severity="medium"><version>RHEL-09-232155</version><title>RHEL 9 /etc/shadow file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/shadow" file stores password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61576r925719_fix">Change the group of the file /etc/shadow to root by running the following command:
+
+$ sudo chgrp root /etc/shadow</fixtext><fix id="F-61576r925719_fix" /><check system="C-61652r925718_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/shadow" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/shadow 
+
+root /etc/shadow
+
+If "/etc/shadow" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257912"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257912r925723_rule" weight="10.0" severity="medium"><version>RHEL-09-232160</version><title>RHEL 9 /etc/shadow- file must be owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/shadow-" file is a backup file of "/etc/shadow", and as such, contains the list of local system accounts and password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61577r925722_fix">Change the owner of the file /etc/shadow- to root by running the following command:
+
+$ sudo chown root /etc/shadow-</fixtext><fix id="F-61577r925722_fix" /><check system="C-61653r925721_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/shadow-" file with the following command:
+
+$ sudo stat -c "%U %n" /etc/shadow- 
+
+root /etc/shadow- 
+
+If "/etc/shadow-" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257913"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257913r925726_rule" weight="10.0" severity="medium"><version>RHEL-09-232165</version><title>RHEL 9 /etc/shadow- file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;The "/etc/shadow-" file is a backup file of "/etc/shadow", and as such, contains the list of local system accounts and password hashes. Protection of this file is critical for system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61578r925725_fix">Change the group of the file /etc/shadow- to root by running the following command:
+
+$ sudo chgrp root /etc/shadow-</fixtext><fix id="F-61578r925725_fix" /><check system="C-61654r925724_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/shadow-" file with the following command:
+
+$ sudo stat -c "%G %n" /etc/shadow-
+
+root /etc/shadow-
+
+If "/etc/shadow-" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257914"><title>SRG-OS-000206-GPOS-00084</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257914r925729_rule" weight="10.0" severity="medium"><version>RHEL-09-232170</version><title>RHEL 9 /var/log directory must be owned by root.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, personally identifiable information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61579r925728_fix">Configure the owner of the directory "/var/log" to "root" by running the following command:
+
+$ sudo chown root /var/log</fixtext><fix id="F-61579r925728_fix" /><check system="C-61655r925727_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/var/log" directory is owned by root with the following command:
+
+$ ls -ld /var/log
+
+drwxr-xr-x. 16 root root 4096 July 11 11:34 /var/log
+
+If "/var/log" does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257915"><title>SRG-OS-000206-GPOS-00084</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257915r925732_rule" weight="10.0" severity="medium"><version>RHEL-09-232175</version><title>RHEL 9 /var/log directory must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, personally identifiable information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61580r925731_fix">Configure the group owner of the directory "/var/log" to "root" by running the following command:
+
+$ sudo chgrp root /var/log</fixtext><fix id="F-61580r925731_fix" /><check system="C-61656r925730_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/var/log" directory is group-owned by root with the following command:
+
+$ ls -ld /var/log
+
+drwxr-xr-x. 16 root root 4096 July 11 11:34 /var/log
+
+If "/var/log" does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257916"><title>SRG-OS-000206-GPOS-00084</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257916r925735_rule" weight="10.0" severity="medium"><version>RHEL-09-232180</version><title>RHEL 9 /var/log/messages file must be owned by root.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, personally identifiable information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61581r925734_fix">Change the owner of the "/var/log/messages" file to "root" by running the following command:
+
+$ sudo chown root /var/log/messages</fixtext><fix id="F-61581r925734_fix" /><check system="C-61657r925733_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/var/log/messages" file is owned by root with the following command:
+
+$ ls -la /var/log/messages
+
+rw-------. 1 root root 564223 July 11 11:34 /var/log/messages
+
+If "/var/log/messages" does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257917"><title>SRG-OS-000206-GPOS-00084</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257917r925738_rule" weight="10.0" severity="medium"><version>RHEL-09-232185</version><title>RHEL 9 /var/log/messages file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, personally identifiable information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61582r925737_fix">Change the group owner of the "/var/log/messages" file to "root" by running the following command:
+
+$ sudo chgrp root /var/log/messages</fixtext><fix id="F-61582r925737_fix" /><check system="C-61658r925736_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/var/log/messages" file is group-owned by root with the following command:
+
+$ ls -la /var/log/messages
+
+rw-------. 1 root root 564223 July 11 11:34 /var/log/messages
+
+If "/var/log/messages" does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257918"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257918r925741_rule" weight="10.0" severity="medium"><version>RHEL-09-232190</version><title>RHEL 9 system commands must be owned by root.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61583r925740_fix">Configure the system commands to be protected from unauthorized access.
+
+Run the following command, replacing "[FILE]" with any system command file not owned by "root".
+
+$ sudo chown root [FILE]</fixtext><fix id="F-61583r925740_fix" /><check system="C-61659r925739_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system commands contained in the following directories are owned by "root" with the following command:
+
+$ sudo find -L /bin /sbin /usr/bin /usr/sbin /usr/libexec /usr/local/bin /usr/local/sbin ! -user root -exec ls -l {} \;
+
+If any system commands are found to not be owned by root, this is a finding.</check-content></check></Rule></Group><Group id="V-257919"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257919r925744_rule" weight="10.0" severity="medium"><version>RHEL-09-232195</version><title>RHEL 9 system commands must be group-owned by root or a system account.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61584r925743_fix">Configure the system commands to be protected from unauthorized access.
+
+Run the following command, replacing "[FILE]" with any system command file not group-owned by "root" or a required system account.
+
+$ sudo chgrp root [FILE]</fixtext><fix id="F-61584r925743_fix" /><check system="C-61660r925742_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system commands contained in the following directories are group-owned by "root", or a required system account, with the following command:
+
+$ sudo find -L /bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin ! -group root -exec ls -l {} \;
+
+If any system commands are returned and is not group-owned by a required system account, this is a finding.</check-content></check></Rule></Group><Group id="V-257920"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257920r925747_rule" weight="10.0" severity="medium"><version>RHEL-09-232200</version><title>RHEL 9 library files must be owned by root.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61585r925746_fix">Configure the system-wide shared library files (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access.
+
+Run the following command, replacing "[FILE]" with any library file not owned by "root".
+
+$ sudo chown root [FILE]</fixtext><fix id="F-61585r925746_fix" /><check system="C-61661r925745_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system-wide shared library files are owned by "root" with the following command:
+
+$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 ! -user root -exec ls -l {} \;
+
+If any system-wide shared library file is not owned by root, this is a finding.</check-content></check></Rule></Group><Group id="V-257921"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257921r925750_rule" weight="10.0" severity="medium"><version>RHEL-09-232205</version><title>RHEL 9 library files must be group-owned by root or a system account.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61586r925749_fix">Configure the system-wide shared library files (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access.
+
+Run the following command, replacing "[FILE]" with any library file not group-owned by "root".
+
+$ sudo chgrp root [FILE]</fixtext><fix id="F-61586r925749_fix" /><check system="C-61662r925748_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system-wide shared library files are group-owned by "root" with the following command:
+
+$ sudo find -L /lib /lib64 /usr/lib /usr/lib64 ! -group root -exec ls -l {} \;
+
+If any system-wide shared library file is returned and is not group-owned by a required system account, this is a finding.</check-content></check></Rule></Group><Group id="V-257922"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257922r925753_rule" weight="10.0" severity="medium"><version>RHEL-09-232210</version><title>RHEL 9 library directories must be owned by root.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61587r925752_fix">Configure the system-wide shared library directories within (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access.
+
+Run the following command, replacing "[DIRECTORY]" with any library directory not owned by "root".
+
+$ sudo chown root [DIRECTORY]</fixtext><fix id="F-61587r925752_fix" /><check system="C-61663r925751_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system-wide shared library directories are owned by "root" with the following command:
+
+$ sudo find /lib /lib64 /usr/lib /usr/lib64 ! -user root -type d -exec stat -c "%n %U" '{}' \;
+
+If any system-wide shared library directory is not owned by root, this is a finding.</check-content></check></Rule></Group><Group id="V-257923"><title>SRG-OS-000259-GPOS-00100</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257923r925756_rule" weight="10.0" severity="medium"><version>RHEL-09-232215</version><title>RHEL 9 library directories must be group-owned by root or a system account.</title><description>&lt;VulnDiscussion&gt;If RHEL 9 allowed any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part of a robust change management process.
+
+This requirement applies to RHEL 9 with software libraries that are accessible and configurable, as in the case of interpreted languages. Software libraries also include privileged programs that execute with escalated privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001499</ident><fixtext fixref="F-61588r925755_fix">Configure the system-wide shared library directories (/lib, /lib64, /usr/lib and /usr/lib64) to be protected from unauthorized access.
+
+Run the following command, replacing "[DIRECTORY]" with any library directory not group-owned by "root".
+
+$ sudo chgrp root [DIRECTORY]</fixtext><fix id="F-61588r925755_fix" /><check system="C-61664r925754_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system-wide shared library directories are group-owned by "root" with the following command:
+
+$ sudo find /lib /lib64 /usr/lib /usr/lib64 ! -group root -type d -exec stat -c "%n %G" '{}' \;
+
+If any system-wide shared library directory is returned and is not group-owned by a required system account, this is a finding.</check-content></check></Rule></Group><Group id="V-257924"><title>SRG-OS-000256-GPOS-00097</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257924r925759_rule" weight="10.0" severity="medium"><version>RHEL-09-232220</version><title>RHEL 9 audit tools must be owned by root.</title><description>&lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operation on audit information.
+
+RHEL 9 systems providing tools to interface with audit information will leverage user permissions and roles identifying the user accessing the tools, and the corresponding rights the user enjoys, to make access decisions regarding the access to audit tools.
+
+Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001493</ident><fixtext fixref="F-61589r925758_fix">Configure the audit tools to be owned by "root" by running the following command:
+
+$ sudo chown root [audit_tool]
+
+Replace "[audit_tool]" with each audit tool not owned by "root".</fixtext><fix id="F-61589r925758_fix" /><check system="C-61665r925757_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit tools are owned by "root" with the following command:
+
+$ sudo stat -c "%U %n" /sbin/auditctl /sbin/aureport /sbin/ausearch /sbin/autrace /sbin/auditd /sbin/rsyslogd /sbin/augenrules
+
+root /sbin/auditctl
+root /sbin/aureport
+root /sbin/ausearch
+root /sbin/autrace
+root /sbin/auditd
+root /sbin/rsyslogd
+root /sbin/augenrules
+
+If any audit tools do not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257925"><title>SRG-OS-000256-GPOS-00097</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257925r925762_rule" weight="10.0" severity="medium"><version>RHEL-09-232225</version><title>RHEL 9 audit tools must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data; therefore, protecting audit tools is necessary to prevent unauthorized operation on audit information.
+
+RHEL 9 systems providing tools to interface with audit information will leverage user permissions and roles identifying the user accessing the tools, and the corresponding rights the user enjoys, to make access decisions regarding the access to audit tools.
+
+Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001493</ident><fixtext fixref="F-61590r925761_fix">Configure the audit tools to be group-owned by "root" by running the following command:
+
+$ sudo chgrp root [audit_tool]
+
+Replace "[audit_tool]" with each audit tool not group-owned by "root".</fixtext><fix id="F-61590r925761_fix" /><check system="C-61666r925760_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit tools are group owned by "root" with the following command:
+
+$ sudo stat -c "%G %n" /sbin/auditctl /sbin/aureport /sbin/ausearch /sbin/autrace /sbin/auditd /sbin/rsyslogd /sbin/augenrules
+
+root /sbin/auditctl
+root /sbin/aureport
+root /sbin/ausearch
+root /sbin/autrace
+root /sbin/auditd
+root /sbin/rsyslogd
+root /sbin/augenrules
+
+If any audit tools do not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257926"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257926r925765_rule" weight="10.0" severity="medium"><version>RHEL-09-232230</version><title>RHEL 9 cron configuration files directory must be owned by root.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services that if configured incorrectly can lead to insecure and vulnerable configurations; therefore, service configuration files must be owned by the correct group to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61591r925764_fix">Configure any cron configuration not owned by root with the following command:
+
+$ sudo chown root [cron config file]</fixtext><fix id="F-61591r925764_fix" /><check system="C-61667r925763_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of all cron configuration files with the command:
+
+$ stat -c "%U %n" /etc/cron*
+
+root /etc/cron.d
+root /etc/cron.daily
+root /etc/cron.deny
+root /etc/cron.hourly
+root /etc/cron.monthly
+root /etc/crontab
+root /etc/cron.weekly
+
+If any crontab is not owned by root, this is a finding.</check-content></check></Rule></Group><Group id="V-257927"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257927r925768_rule" weight="10.0" severity="medium"><version>RHEL-09-232235</version><title>RHEL 9 cron configuration files directory must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services that if configured incorrectly can lead to insecure and vulnerable configurations; therefore, service configuration files should be owned by the correct group to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61592r925767_fix">Configure any cron configuration not group-owned by root with the following command:
+
+$ sudo chgrp root [cron config file]</fixtext><fix id="F-61592r925767_fix" /><check system="C-61668r925766_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of all cron configuration files with the following command:
+
+$ stat -c "%G %n" /etc/cron*
+
+root /etc/cron.d
+root /etc/cron.daily
+root /etc/cron.deny
+root /etc/cron.hourly
+root /etc/cron.monthly
+root /etc/crontab
+root /etc/cron.weekly
+
+If any crontab is not group owned by root, this is a finding.</check-content></check></Rule></Group><Group id="V-257928"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257928r925771_rule" weight="10.0" severity="medium"><version>RHEL-09-232240</version><title>All RHEL 9 world-writable directories must be owned by root, sys, bin, or an application user.</title><description>&lt;VulnDiscussion&gt;If a world-writable directory is not owned by root, sys, bin, or an application user identifier (UID), unauthorized users may be able to modify files created by others.
+
+The only authorized public directories are those temporary directories supplied with the system or those designed to be temporary file repositories. The setting is normally reserved for directories used by the system and by users for temporary file storage, (e.g., /tmp), and for directories requiring global read/write access.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000138-GPOS-00069&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001090</ident><fixtext fixref="F-61593r925770_fix">Configure all public directories to be owned by root or a system account to prevent unauthorized and unintended information transferred via shared system resources.
+
+Set the owner of all public directories as root or a system account using the command, replace "[Public Directory]" with any directory path not owned by root or a system account:
+
+$ sudo chown root [Public Directory]</fixtext><fix id="F-61593r925770_fix" /><check system="C-61669r925769_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that world writable directories are owned by root, a system account, or an application account with the following command. It will discover and print world-writable directories that are not owned by root.  Run it once for each local partition [PART]:
+
+$ sudo find  PART  -xdev -type d -perm -0002 -uid +0 -print 
+
+If there is output, this is a finding.</check-content></check></Rule></Group><Group id="V-257929"><title>SRG-OS-000138-GPOS-00069</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257929r925774_rule" weight="10.0" severity="medium"><version>RHEL-09-232245</version><title>A sticky bit must be set on all RHEL 9 public directories.</title><description>&lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of information, produced by the actions of prior users/roles (or the actions of processes acting on behalf of prior users/roles) from being available to any current users/roles (or current processes) that obtain access to shared system resources (e.g., registers, main memory, hard disks) after those resources have been released back to information systems. The control of information in shared resources is also commonly referred to as object reuse and residual information protection.
+
+This requirement generally applies to the design of an information technology product, but it can also apply to the configuration of particular information system components that are, or use, such products. This can be verified by acceptance/validation processes in DOD or other government agencies.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001090</ident><fixtext fixref="F-61594r925773_fix">Configure all world-writable directories to have the sticky bit set to prevent unauthorized and unintended information transferred via shared system resources.
+
+Set the sticky bit on all world-writable directories using the command, replace "[World-Writable Directory]" with any directory path missing the sticky bit:
+
+$ chmod a+t [World-Writable Directory]</fixtext><fix id="F-61594r925773_fix" /><check system="C-61670r925772_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that all world-writable directories have the sticky bit set.
+
+Determine if all world-writable directories have the sticky bit set by running the following command:
+
+$ sudo find / -type d \( -perm -0002 -a ! -perm -1000 \) -print 2&gt;/dev/null
+
+drwxrwxrwt 7 root root 4096 Jul 26 11:19 /tmp
+
+If any of the returned directories are world-writable and do not have the sticky bit set, this is a finding.</check-content></check></Rule></Group><Group id="V-257930"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257930r925777_rule" weight="10.0" severity="medium"><version>RHEL-09-232250</version><title>All RHEL 9 local files and directories must have a valid group owner.</title><description>&lt;VulnDiscussion&gt;Files without a valid group owner may be unintentionally inherited if a group is assigned the same Group Identifier (GID) as the GID of the files without a valid group owner.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61595r925776_fix">Either remove all files and directories from RHEL 9 that do not have a valid group, or assign a valid group to all files and directories on the system with the "chgrp" command:
+
+$ sudo chgrp &lt;group&gt; &lt;file&gt;</fixtext><fix id="F-61595r925776_fix" /><check system="C-61671r925775_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify all local files and directories on RHEL 9 have a valid group with the following command:
+
+$ df --local -P | awk {'if (NR!=1) print $6'} | sudo xargs -I '{}' find '{}' -xdev -nogroup
+
+If any files on the system do not have an assigned group, this is a finding.</check-content></check></Rule></Group><Group id="V-257931"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257931r925780_rule" weight="10.0" severity="medium"><version>RHEL-09-232255</version><title>All RHEL 9 local files and directories must have a valid owner.</title><description>&lt;VulnDiscussion&gt;Unowned files and directories may be unintentionally inherited if a user is assigned the same user identifier "UID" as the UID of the unowned files.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61596r925779_fix">Either remove all files and directories from the system that do not have a valid user, or assign a valid user to all unowned files and directories on RHEL 9 with the "chown" command:
+
+$ sudo chown &lt;user&gt; &lt;file&gt;</fixtext><fix id="F-61596r925779_fix" /><check system="C-61672r925778_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify all local files and directories on RHEL 9 have a valid owner with the following command:
+
+$ df --local -P | awk {'if (NR!=1) print $6'} | sudo xargs -I '{}' find '{}' -xdev -nouser
+
+If any files on the system do not have an assigned owner, this is a finding.</check-content></check></Rule></Group><Group id="V-257932"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257932r925783_rule" weight="10.0" severity="medium"><version>RHEL-09-232260</version><title>RHEL 9 must be configured so that all system device files are correctly labeled to prevent unauthorized modification.</title><description>&lt;VulnDiscussion&gt;If an unauthorized or modified device is allowed to exist on the system, there is the possibility the system may perform unintended or unauthorized operations.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61597r925782_fix">Restore the SELinux policy for the affected device file from the system policy database using the following command:
+
+$ sudo restorecon -v &lt;device_path&gt;
+
+Substituting "&lt;device_path&gt;" with the path to the affected device file (from the output of the previous commands). An example device file path would be "/dev/ttyUSB0". If the output of the above command does not indicate that the device was relabeled to a more specific SELinux type label, then the SELinux policy of the system must be updated with more specific policy for the device class specified. If a package was used to install support for a device class, that package could be reinstalled using the following command:
+
+$ sudo dnf reinstall &lt;package_name&gt;
+
+If a package was not used to install the SELinux policy for a given device class, then it must be generated manually and provide specific type labels.</fixtext><fix id="F-61597r925782_fix" /><check system="C-61673r925781_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that all system device files are correctly labeled to prevent unauthorized modification.
+
+List all device files on the system that are incorrectly labeled with the following commands:
+
+Note: Device files are normally found under "/dev", but applications may place device files in other directories and may necessitate a search of the entire system.
+
+# find /dev -context *:device_t:* \( -type c -o -type b \) -printf "%p %Z\n"
+
+# find /dev -context *:unlabeled_t:* \( -type c -o -type b \) -printf "%p %Z\n"
+
+Note: There are device files, such as "/dev/vmci", that are used when the operating system is a host virtual machine. They will not be owned by a user on the system and require the "device_t" label to operate. These device files are not a finding.
+
+If there is output from either of these commands, other than already noted, this is a finding.</check-content></check></Rule></Group><Group id="V-257933"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257933r925786_rule" weight="10.0" severity="medium"><version>RHEL-09-232265</version><title>RHEL 9 /etc/crontab file must have mode 0600.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services that if configured incorrectly can lead to insecure and vulnerable configurations; therefore, service configuration files must have the correct access rights to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61598r925785_fix">Configure the RHEL 9 file /etc/crontab with mode 600.
+
+$ sudo chmod 0600 /etc/crontab</fixtext><fix id="F-61598r925785_fix" /><check system="C-61674r925784_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the permissions of /etc/crontab with the following command:
+
+$ stat -c "%a %n" /etc/crontab
+
+0600
+
+If /etc/crontab does not have a mode of "0600", this is a finding.</check-content></check></Rule></Group><Group id="V-257934"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257934r925789_rule" weight="10.0" severity="medium"><version>RHEL-09-232270</version><title>RHEL 9 /etc/shadow file must have mode 0000 to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;The "/etc/shadow" file contains the list of local system accounts and stores password hashes. Protection of this file is critical for system security. Failure to give ownership of this file to root provides the designated owner with access to sensitive information, which could weaken the system security posture.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61599r925788_fix">Change the mode of the file "/etc/shadow" to "0000" by running the following command:
+
+$ sudo chmod 0000 /etc/shadow</fixtext><fix id="F-61599r925788_fix" /><check system="C-61675r925787_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "/etc/shadow" file has mode "0000" with the following command:
+
+$ sudo stat -c "%a %n" /etc/shadow
+
+0 /etc/shadow
+
+If a value of "0" is not returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257935"><title>SRG-OS-000096-GPOS-00050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257935r928954_rule" weight="10.0" severity="medium"><version>RHEL-09-251010</version><title>RHEL 9 must have the firewalld package installed.</title><description>&lt;VulnDiscussion&gt;"Firewalld" provides an easy and effective way to block/limit remote access to the system via ports, services, and protocols.
+
+Remote access services, such as those providing remote access to network devices and information systems, which lack automated control capabilities, increase risk and make remote user access management difficult at best.
+
+Remote access is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+RHEL 9 functionality (e.g., SSH) must be capable of taking enforcement action if the audit reveals unauthorized activity. Automated control of remote access sessions allows organizations to ensure ongoing compliance with remote access policies by enforcing connection rules of remote access applications on a variety of information system components (e.g., servers, workstations, notebook computers, smartphones, and tablets).
+
+Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000297-GPOS-00115, SRG-OS-000298-GPOS-00116, SRG-OS-000480-GPOS-00227, SRG-OS-000480-GPOS-00232&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000382</ident><ident system="http://cyber.mil/cci">CCI-002314</ident><ident system="http://cyber.mil/cci">CCI-002322</ident><fixtext fixref="F-61600r925791_fix">To install the "firewalld" package run the following command:
+
+$ sudo dnf install firewalld</fixtext><fix id="F-61600r925791_fix" /><check system="C-61676r925790_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Run the following command to determine if the firewalld package is installed with the following command:
+
+$ sudo dnf list --installed firewalld 
+
+Example output:
+
+firewalld.noarch          1.0.0-4.el9
+
+If the "firewall" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257936"><title>SRG-OS-000096-GPOS-00050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257936r925795_rule" weight="10.0" severity="medium"><version>RHEL-09-251015</version><title>The firewalld service on RHEL 9 must be active.</title><description>&lt;VulnDiscussion&gt;"Firewalld" provides an easy and effective way to block/limit remote access to the system via ports, services, and protocols.
+
+Remote access services, such as those providing remote access to network devices and information systems, which lack automated control capabilities, increase risk and make remote user access management difficult at best.
+
+Remote access is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+RHEL 9 functionality (e.g., RDP) must be capable of taking enforcement action if the audit reveals unauthorized activity. Automated control of remote access sessions allows organizations to ensure ongoing compliance with remote access policies by enforcing connection rules of remote access applications on a variety of information system components (e.g., servers, workstations, notebook computers, smartphones, and tablets).
+
+Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000297-GPOS-00115, SRG-OS-000480-GPOS-00227, SRG-OS-000480-GPOS-00232&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000382</ident><ident system="http://cyber.mil/cci">CCI-002314</ident><fixtext fixref="F-61601r925794_fix">To enable the firewalld service run the following command:
+
+$ sudo systemctl enable --now firewalld</fixtext><fix id="F-61601r925794_fix" /><check system="C-61677r925793_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "firewalld" is active with the following command:
+
+$ systemctl is-active firewalld 
+
+active
+
+If the firewalld service is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-257937"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257937r925798_rule" weight="10.0" severity="medium"><version>RHEL-09-251020</version><title>A RHEL 9 firewall must employ a deny-all, allow-by-exception policy for allowing connections to other systems.</title><description>&lt;VulnDiscussion&gt;Failure to restrict network connectivity only to authorized systems permits inbound connections from malicious systems. It also permits outbound connections that may facilitate exfiltration of DOD data.
+
+RHEL 9 incorporates the "firewalld" daemon, which allows for many different configurations. One of these configurations is zones. Zones can be utilized to a deny-all, allow-by-exception approach. The default "drop" zone will drop all incoming network packets unless it is explicitly allowed by the configuration file or is related to an outgoing network connection.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61602r925797_fix">Configure the "firewalld" daemon to employ a deny-all, allow-by-exception with the following commands:
+
+Start by adding the exceptions that are required for mission functionality to the "drop" zone. If SSH access on port 22 is needed, for example, run the following: "sudo firewall-cmd --permanent --add-service=ssh --zone=drop"
+
+Reload the firewall rules to update the runtime configuration from the "--permanent" changes made above:
+$ sudo firewall-cmd --reload
+
+Set the default zone to the drop zone:
+$ sudo firewall-cmd --set-default-zone=drop
+Note: This is a runtime and permanent change.
+
+Add any interfaces to the newly modified "drop" zone:
+$ sudo firewall-cmd --permanent --zone=drop --change-interface=ens33
+
+Reload the firewall rules for changes to take effect:
+$ sudo firewall-cmd --reload</fixtext><fix id="F-61602r925797_fix" /><check system="C-61678r925796_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the RHEL 9 "firewalld" is configured to employ a deny-all, allow-by-exception policy for allowing connections to other systems with the following commands:
+
+$ sudo  firewall-cmd --state
+
+running
+
+$ sudo firewall-cmd --get-active-zones
+
+public
+   interfaces: ens33
+
+$ sudo firewall-cmd --info-zone=public | grep target
+
+   target: DROP
+
+$ sudo firewall-cmd --permanent --info-zone=public | grep target
+
+   target: DROP
+
+If no zones are active on the RHEL 9 interfaces or if runtime and permanent targets are set to a different option other than "DROP", this is a finding.</check-content></check></Rule></Group><Group id="V-257938"><title>SRG-OS-000096-GPOS-00050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257938r925801_rule" weight="10.0" severity="medium"><version>RHEL-09-251025</version><title>RHEL 9 must control remote access methods.</title><description>&lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or restrict unused or unnecessary physical and logical ports/protocols on information systems.
+
+Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services provided by default may not be necessary to support essential organizational operations. Additionally, it is sometimes convenient to provide multiple services from a single component (e.g., VPN and IPS); however, doing so increases risk over limiting the services provided by one component.
+
+To support the requirements and principles of least functionality, the operating system must support the organizational requirements, providing only essential capabilities and limiting the use of ports, protocols, and/or services to only those required, authorized, and approved to conduct official business.
+
+Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000297-GPOS-00115&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000382</ident><ident system="http://cyber.mil/cci">CCI-002314</ident><fixtext fixref="F-61603r925800_fix">Configure RHEL 9 to allow approved settings and/or running services to comply with the PPSM CLSA for the site or program and the PPSM CAL.
+
+To open a port for a service, configure firewalld using the following command:
+
+$ sudo firewall-cmd --permanent --add-port=port_number/tcp
+or
+$ sudo firewall-cmd --permanent --add-service=service_name</fixtext><fix id="F-61603r925800_fix" /><check system="C-61679r925799_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Inspect the list of enabled firewall ports and verify they are configured correctly by running the following command:
+
+$ sudo firewall-cmd --list-all 
+
+Ask the system administrator for the site or program Ports, Protocols, and Services Management Component Local Service Assessment (PPSM CLSA). Verify the services allowed by the firewall match the PPSM CLSA. 
+
+If there are additional ports, protocols, or services that are not in the PPSM CLSA, or there are ports, protocols, or services that are prohibited by the PPSM Category Assurance List (CAL), or there are no firewall rules configured, this is a finding.</check-content></check></Rule></Group><Group id="V-257939"><title>SRG-OS-000420-GPOS-00186</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257939r925804_rule" weight="10.0" severity="medium"><version>RHEL-09-251030</version><title>RHEL 9 must protect against or limit the effects of denial-of-service (DoS) attacks by ensuring rate-limiting measures on impacted network interfaces are implemented.</title><description>&lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity.
+
+This requirement addresses the configuration of RHEL 9 to mitigate the impact of DoS attacks that have occurred or are ongoing on system availability. For each system, known and potential DoS attacks must be identified and solutions for each type implemented. A variety of technologies exists to limit or, in some cases, eliminate the effects of DoS attacks (e.g., limiting processes or establishing memory partitions). Employing increased capacity and bandwidth, combined with service redundancy, may reduce the susceptibility to some DoS attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002385</ident><fixtext fixref="F-61604r925803_fix">Configure "nftables" to be the default "firewallbackend" for "firewalld" by adding or editing the following line in "etc/firewalld/firewalld.conf":
+
+FirewallBackend=nftables
+
+Establish rate-limiting rules based on organization-defined types of DoS attacks on impacted network interfaces.</fixtext><fix id="F-61604r925803_fix" /><check system="C-61680r925802_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify "nftables" is configured to allow rate limits on any connection to the system with the following command:
+
+$ sudo grep -i firewallbackend /etc/firewalld/firewalld.conf
+
+# FirewallBackend
+FirewallBackend=nftables
+
+If the "nftables" is not set as the "FirewallBackend" default, this is a finding.</check-content></check></Rule></Group><Group id="V-257940"><title>SRG-OS-000096-GPOS-00050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257940r925807_rule" weight="10.0" severity="medium"><version>RHEL-09-251035</version><title>RHEL 9 must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the Ports, Protocols, and Services Management (PPSM) Category Assignments List (CAL) and vulnerability assessments.</title><description>&lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or restrict unused or unnecessary ports, protocols, and services on information systems.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000382</ident><fixtext fixref="F-61605r925806_fix">Update the host's firewall settings and/or running services to comply with the PPSM CLSA for the site or program and the PPSM CAL.
+
+Then run the following command to load the newly created rule(s):
+
+$ sudo firewall-cmd --reload</fixtext><fix id="F-61605r925806_fix" /><check system="C-61681r925805_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Inspect the firewall configuration and running services to verify it is configured to prohibit or restrict the use of functions, ports, protocols, and/or services that are unnecessary or prohibited.
+
+Check which services are currently active with the following command:
+
+$ sudo firewall-cmd --list-all-zones
+
+custom (active)
+target: DROP
+icmp-block-inversion: no
+interfaces: ens33
+sources: 
+services: dhcpv6-client dns http https ldaps rpc-bind ssh
+ports: 
+masquerade: no
+forward-ports: 
+icmp-blocks: 
+rich rules: 
+
+Ask the system administrator for the site or program Ports, Protocols, and Services Management Component Local Service Assessment (PPSM CLSA). Verify the services allowed by the firewall match the PPSM CLSA. 
+
+If there are additional ports, protocols, or services that are not in the PPSM CLSA, or there are ports, protocols, or services that are prohibited by the PPSM Category Assurance List (CAL), this is a finding.</check-content></check></Rule></Group><Group id="V-257941"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257941r925810_rule" weight="10.0" severity="medium"><version>RHEL-09-251040</version><title>RHEL 9 network interfaces must not be in promiscuous mode.</title><description>&lt;VulnDiscussion&gt;Network interfaces in promiscuous mode allow for the capture of all network traffic visible to the system. If unauthorized individuals can access these applications, it may allow them to collect information such as logon IDs, passwords, and key exchanges between systems.
+
+If the system is being used to perform a network troubleshooting function, the use of these tools must be documented with the information systems security officer (ISSO) and restricted to only authorized personnel.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61606r925809_fix">Configure network interfaces to turn off promiscuous mode unless approved by the ISSO and documented.
+
+Set the promiscuous mode of an interface to off with the following command:
+
+$ sudo ip link set dev &lt;devicename&gt; multicast off promisc off</fixtext><fix id="F-61606r925809_fix" /><check system="C-61682r925808_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify network interfaces are not in promiscuous mode with the following command:
+
+$ ip link | grep -i promisc
+
+If network interfaces are found on the system in promiscuous mode and their use has not been approved by the ISSO and documented, this is a finding.</check-content></check></Rule></Group><Group id="V-257942"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257942r925813_rule" weight="10.0" severity="medium"><version>RHEL-09-251045</version><title>RHEL 9 must enable hardening for the Berkeley Packet Filter just-in-time compiler.</title><description>&lt;VulnDiscussion&gt;When hardened, the extended Berkeley Packet Filter (BPF) just-in-time (JIT) compiler will randomize any kernel addresses in the BPF programs and maps, and will not expose the JIT addresses in "/proc/kallsyms".&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61607r925812_fix">Configure RHEL 9 to enable hardening for the BPF JIT compiler by adding the following line to a file, in the "/etc/sysctl.d" directory:
+
+net.core.bpf_jit_harden = 2
+
+The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61607r925812_fix" /><check system="C-61683r925811_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enables hardening for the BPF JIT with the following commands:
+
+$ sudo sysctl net.core.bpf_jit_harden
+
+net.core.bpf_jit_harden = 2
+
+If the returned line does not have a value of "2", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.core.bpf_jit_harden | tail -1
+net.core.bpf_jit_harden = 2
+
+If the network parameter "net.core.bpf_jit_harden" is not equal to "2" or nothing is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257943"><title>SRG-OS-000355-GPOS-00143</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257943r925816_rule" weight="10.0" severity="medium"><version>RHEL-09-252010</version><title>RHEL 9 must have the chrony package installed.</title><description>&lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001891</ident><fixtext fixref="F-61608r925815_fix">The chrony package can be installed with the following command:
+ 
+$ sudo dnf install chrony</fixtext><fix id="F-61608r925815_fix" /><check system="C-61684r925814_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the chrony package installed with the following command:
+
+$ sudo dnf list --installed chrony
+
+Example output:
+
+chrony.x86_64          4.1-3.el9       
+
+If the "chrony" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257944"><title>SRG-OS-000355-GPOS-00143</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257944r925819_rule" weight="10.0" severity="medium"><version>RHEL-09-252015</version><title>RHEL 9 chronyd service must be enabled.</title><description>&lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate.
+
+Synchronizing internal information system clocks provides uniformity of time stamps for information systems with multiple system clocks and systems connected over a network.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001891</ident><fixtext fixref="F-61609r925818_fix">To enable the chronyd service run the following command:
+
+$ sudo systemctl enable --now chronyd</fixtext><fix id="F-61609r925818_fix" /><check system="C-61685r925817_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the chronyd service is active with the following command:
+
+$ systemctl is-active chronyd
+
+active 
+
+If the chronyd service is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-257945"><title>SRG-OS-000355-GPOS-00143</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257945r925822_rule" weight="10.0" severity="medium"><version>RHEL-09-252020</version><title>RHEL 9 must securely compare internal information system clocks at least every 24 hours.</title><description>&lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when conducting forensic analysis and investigating system events. Sources outside the configured acceptable allowance (drift) may be inaccurate.
+
+Synchronizing internal information system clocks provides uniformity of time stamps for information systems with multiple system clocks and systems connected over a network.
+
+Depending on the infrastructure being used the "pool" directive may not be supported.
+
+Authoritative time sources include the United States Naval Observatory (USNO) time servers, a time server designated for the appropriate DOD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS).
+
+Satisfies: SRG-OS-000355-GPOS-00143, SRG-OS-000356-GPOS-00144, SRG-OS-000359-GPOS-00146&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001890</ident><ident system="http://cyber.mil/cci">CCI-001891</ident><ident system="http://cyber.mil/cci">CCI-002046</ident><fixtext fixref="F-61610r925821_fix">Configure RHEL 9 to securely compare internal information system clocks at least every 24 hours with an NTP server by adding/modifying the following line in the /etc/chrony.conf file.
+
+server [ntp.server.name] iburst maxpoll 16</fixtext><fix id="F-61610r925821_fix" /><check system="C-61686r925820_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is securely comparing internal information system clocks at least every 24 hours with an NTP server with the following commands:
+
+$ sudo grep maxpoll /etc/chrony.conf
+
+server 0.us.pool.ntp.mil iburst maxpoll 16
+
+If the "maxpoll" option is set to a number greater than 16 or the line is commented out, this is a finding.
+
+Verify the "chrony.conf" file is configured to an authoritative DOD time source by running the following command:
+
+$ sudo grep -i server /etc/chrony.conf
+server 0.us.pool.ntp.mil 
+
+If the parameter "server" is not set or is not set to an authoritative DOD time source, this is a finding.</check-content></check></Rule></Group><Group id="V-257946"><title>SRG-OS-000096-GPOS-00050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257946r925825_rule" weight="10.0" severity="low"><version>RHEL-09-252025</version><title>RHEL 9 must disable the chrony daemon from acting as a server.</title><description>&lt;VulnDiscussion&gt;Minimizing the exposure of the server functionality of the chrony daemon diminishes the attack surface.
+
+Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000095-GPOS-00049&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><ident system="http://cyber.mil/cci">CCI-000382</ident><fixtext fixref="F-61611r925824_fix">Configure RHEL 9 to disable the chrony daemon from acting as a server by adding/modifying the following line in the /etc/chrony.conf file:
+
+port 0</fixtext><fix id="F-61611r925824_fix" /><check system="C-61687r925823_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables the chrony daemon from acting as a server with the following command:
+
+$ grep -w port /etc/chrony.conf
+
+port 0
+
+If the "port" option is not set to "0", is commented out, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257947"><title>SRG-OS-000096-GPOS-00050</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257947r925828_rule" weight="10.0" severity="low"><version>RHEL-09-252030</version><title>RHEL 9 must disable network management of the chrony daemon.</title><description>&lt;VulnDiscussion&gt;Not exposing the management interface of the chrony daemon on the network diminishes the attack space.
+
+Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000095-GPOS-00049&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><ident system="http://cyber.mil/cci">CCI-000382</ident><fixtext fixref="F-61612r925827_fix">Configure RHEL 9 to disable network management of the chrony daemon by adding/modifying the following line in the /etc/chrony.conf file:
+
+cmdport 0</fixtext><fix id="F-61612r925827_fix" /><check system="C-61688r925826_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables network management of the chrony daemon with the following command:
+
+$ grep -w cmdport /etc/chrony.conf
+
+cmdport 0
+
+If the "cmdport" option is not set to "0", is commented out, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257948"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257948r925831_rule" weight="10.0" severity="medium"><version>RHEL-09-252035</version><title>RHEL 9 systems using Domain Name Servers (DNS) resolution must have at least two name servers configured.</title><description>&lt;VulnDiscussion&gt;To provide availability for name resolution services, multiple redundant name servers are mandated. A failure in name resolution could lead to the failure of security functions requiring name resolution, which may include time synchronization, centralized authentication, and remote system logging.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61613r925830_fix">Configure the operating system to use two or more name servers for DNS resolution based on the DNS mode of the system.
+
+If the NetworkManager DNS mode is set to "none", then add the following lines to "/etc/resolv.conf":
+
+nameserver [name server 1]
+nameserver [name server 2]
+
+Replace [name server 1] and [name server 2] with the IPs of two different DNS resolvers.
+
+If the NetworkManager DNS mode is set to "default" then add two DNS servers to a NetworkManager connection. Using the following commands:
+
+$ sudo nmcli connection modify [connection name] ipv4.dns [name server 1]
+$ sudo nmcli connection modify [connection name] ipv4.dns [name server 2]
+
+Replace [name server 1] and [name server 2] with the IPs of two different DNS resolvers. Replace [connection name] with a valid NetworkManager connection name on the system. Replace ipv4 with ipv6 if IPv6 DNS servers are used.</fixtext><fix id="F-61613r925830_fix" /><check system="C-61689r925829_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the name servers used by the system with the following command:
+
+$ grep nameserver /etc/resolv.conf
+
+nameserver 192.168.1.2
+nameserver 192.168.1.3
+
+If less than two lines are returned that are not commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257949"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257949r925834_rule" weight="10.0" severity="medium"><version>RHEL-09-252040</version><title>RHEL 9 must configure a DNS processing mode set be Network Manager.</title><description>&lt;VulnDiscussion&gt;In order to ensure that DNS resolver settings are respected, a DNS mode in Network Manager must be configured.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61614r925833_fix">Configure NetworkManager in RHEL 9 to use a DNS mode.
+
+In "/etc/NetworkManager/NetworkManager.conf" add the following line in the "[main]" section:
+
+dns = none
+
+NetworkManager must be reloaded for the change to take effect.
+
+$ sudo systemctl reload NetworkManager</fixtext><fix id="F-61614r925833_fix" /><check system="C-61690r925832_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has a DNS mode configured in Network Manager.
+
+$ NetworkManager --print-config
+[main]
+dns=none
+
+If the dns key under main does not exist or is not set to "none" or "default", this is a finding.</check-content></check></Rule></Group><Group id="V-257950"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257950r925837_rule" weight="10.0" severity="medium"><version>RHEL-09-252045</version><title>RHEL 9 must not have unauthorized IP tunnels configured.</title><description>&lt;VulnDiscussion&gt;IP tunneling mechanisms can be used to bypass network filtering. If tunneling is required, it must be documented with the information system security officer (ISSO).&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61615r925836_fix">Remove all unapproved tunnels from the system, or document them with the ISSO.</fixtext><fix id="F-61615r925836_fix" /><check system="C-61691r925835_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 does not have unauthorized IP tunnels configured.
+
+Determine if the "IPsec" service is active with the following command:
+
+$ systemctl status ipsec
+
+ipsec.service - Internet Key Exchange (IKE) Protocol Daemon for IPsec
+Loaded: loaded (/usr/lib/systemd/system/ipsec.service; disabled)
+Active: inactive (dead)
+
+If the "IPsec" service is active, check for configured IPsec connections ("conn"), with the following command:
+
+$ grep -rni conn /etc/ipsec.conf /etc/ipsec.d/ 
+
+Verify any returned results are documented with the ISSO.
+
+If the IPsec tunnels are active and not approved, this is a finding.</check-content></check></Rule></Group><Group id="V-257951"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257951r925840_rule" weight="10.0" severity="medium"><version>RHEL-09-252050</version><title>RHEL 9 must be configured to prevent unrestricted mail relaying.</title><description>&lt;VulnDiscussion&gt;If unrestricted mail relaying is permitted, unauthorized senders could use this host as a mail relay for the purpose of sending spam or other unauthorized activity.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61616r925839_fix">Modify the postfix configuration file to restrict client connections to the local network with the following command:
+
+$ sudo postconf -e 'smtpd_client_restrictions = permit_mynetworks,reject'</fixtext><fix id="F-61616r925839_fix" /><check system="C-61692r925838_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to prevent unrestricted mail relaying with the following command:
+
+$ postconf -n smtpd_client_restrictions 
+
+smtpd_client_restrictions = permit_mynetworks,reject 
+
+If the "smtpd_client_restrictions" parameter contains any entries other than "permit_mynetworks" and "reject", and the additional entries have not been documented with the information system security officer (ISSO), this is a finding.</check-content></check></Rule></Group><Group id="V-257952"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257952r925843_rule" weight="10.0" severity="medium"><version>RHEL-09-252055</version><title>If the Trivial File Transfer Protocol (TFTP) server is required, RHEL 9 TFTP daemon must be configured to operate in secure mode.</title><description>&lt;VulnDiscussion&gt;Restricting TFTP to a specific directory prevents remote users from copying, transferring, or overwriting system files. Using the "-s" option causes the TFTP service to only serve files from the given directory.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61617r925842_fix">Configure the TFTP daemon to operate in secure mode.
+
+1. Find the path for the systemd service.
+
+$ sudo systemctl show tftp | grep FragmentPath=
+FragmentPath=/etc/systemd/system/tftp.service
+
+2. Edit the ExecStart line on that file to add the -s option with a subdirectory.
+
+ExecStart=/usr/sbin/in.tftpd -s /var/lib/tftpboot</fixtext><fix id="F-61617r925842_fix" /><check system="C-61693r925841_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the TFTP daemon is configured to operate in secure mode.
+
+Check if a TFTP server is installed with the following command:
+
+$ sudo dnf list --installed tftp-server
+
+Example output:
+
+tftp-server.x86_64          5.2-35.el9.x86_64
+
+Note: If a TFTP server is not installed, this requirement is Not Applicable.
+
+If a TFTP server is installed, check for the server arguments with the following command: 
+
+$ systemctl cat tftp | grep ExecStart
+ExecStart=/usr/sbin/in.tftpd -s /var/lib/tftpboot
+
+If the "ExecStart" line does not have a "-s" option, and a subdirectory is not assigned, this is a finding.</check-content></check></Rule></Group><Group id="V-257953"><title>SRG-OS-000046-GPOS-00022</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257953r925846_rule" weight="10.0" severity="medium"><version>RHEL-09-252060</version><title>RHEL 9 must forward mail from postmaster to the root account using a postfix alias.</title><description>&lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability, and system operation may be adversely affected.
+
+Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000139</ident><fixtext fixref="F-61618r925845_fix">Configure a valid email address as an alias for the root account.
+
+Append the following line to "/etc/aliases":
+
+postmaster: root
+
+Then, run the following command:
+
+$ sudo newaliases</fixtext><fix id="F-61618r925845_fix" /><check system="C-61694r925844_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the administrators are notified in the event of an audit processing failure.
+
+Check that the "/etc/aliases" file has a defined value for "root".
+
+$ sudo grep "postmaster:\s*root$" /etc/aliases
+
+If the command does not return a line, or the line is commented out, ask the system administrator to indicate how they and the information systems security officer (ISSO) are notified of an audit process failure. If there is no evidence of the proper personnel being notified of an audit processing failure, this is a finding.</check-content></check></Rule></Group><Group id="V-257954"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257954r925849_rule" weight="10.0" severity="medium"><version>RHEL-09-252065</version><title>RHEL 9 libreswan package must be installed.</title><description>&lt;VulnDiscussion&gt;Providing the ability for remote users or systems to initiate a secure VPN connection protects information when it is transmitted over a wide area network.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000120-GPOS-00061&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61619r925848_fix">Install the libreswan service (if it is not already installed) with the following command:
+
+$ sudo dnf install libreswan</fixtext><fix id="F-61619r925848_fix" /><check system="C-61695r925847_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 libreswan service package is installed.
+
+Check that the libreswan service package is installed with the following command:
+
+$ sudo dnf list --installed libreswan
+
+Example output:
+
+libreswan.x86_64          4.6-3.el9
+
+If the "libreswan" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257955"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257955r925852_rule" weight="10.0" severity="high"><version>RHEL-09-252070</version><title>There must be no shosts.equiv files on RHEL 9.</title><description>&lt;VulnDiscussion&gt;The shosts.equiv files are used to configure host-based authentication for the system via SSH. Host-based authentication is not sufficient for preventing unauthorized access to the system, as it does not require interactive identification and authentication of a connection request, or for the use of two-factor authentication.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61620r925851_fix">Remove any found "shosts.equiv" files from the system.
+
+$ sudo rm /[path]/[to]/[file]/shosts.equiv</fixtext><fix id="F-61620r925851_fix" /><check system="C-61696r925850_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify there are no "shosts.equiv" files on RHEL 9 with the following command:
+
+$ sudo find / -name shosts.equiv
+
+If a "shosts.equiv" file is found, this is a finding.</check-content></check></Rule></Group><Group id="V-257956"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257956r925855_rule" weight="10.0" severity="high"><version>RHEL-09-252075</version><title>There must be no .shosts files on RHEL 9.</title><description>&lt;VulnDiscussion&gt;The .shosts files are used to configure host-based authentication for individual users or the system via SSH. Host-based authentication is not sufficient for preventing unauthorized access to the system, as it does not require interactive identification and authentication of a connection request, or for the use of two-factor authentication.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61621r925854_fix">Remove any found ".shosts" files from the system.
+
+$ sudo rm /[path]/[to]/[file]/.shosts</fixtext><fix id="F-61621r925854_fix" /><check system="C-61697r925853_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify there are no ".shosts" files on RHEL 9 with the following command:
+
+$ sudo find / -name .shosts
+
+If a ".shosts" file is found, this is a finding.</check-content></check></Rule></Group><Group id="V-257957"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257957r925858_rule" weight="10.0" severity="medium"><version>RHEL-09-253010</version><title>RHEL 9 must be configured to use TCP syncookies.</title><description>&lt;VulnDiscussion&gt;Denial of service (DoS) is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. 
+
+Managing excess capacity ensures that sufficient capacity is available to counter flooding attacks. Employing increased capacity and service redundancy may reduce the susceptibility to some DoS attacks. Managing excess capacity may include, for example, establishing selected usage priorities, quotas, or partitioning.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000420-GPOS-00186, SRG-OS-000142-GPOS-00071&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001095</ident><ident system="http://cyber.mil/cci">CCI-002385</ident><fixtext fixref="F-61622r925857_fix">Configure RHEL 9 to use TCP syncookies.
+
+Add or edit the following line in a system configuration file in the "/etc/sysctl.d/" directory:
+ net.ipv4.tcp_syncookies = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61622r925857_fix" /><check system="C-61698r925856_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to use IPv4 TCP syncookies.
+
+Determine if syncookies are used with the following command:
+
+Check the status of the kernel.perf_event_paranoid kernel parameter.
+
+$ sysctl net.ipv4.tcp_syncookies
+
+net.ipv4.tcp_syncookies = 1
+
+Check that the configuration files are present to enable this kernel parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.tcp_syncookies | tail -1
+
+net.ipv4.tcp_syncookies = 1
+
+If the network parameter "ipv4.tcp_syncookies" is not equal to "1" or nothing is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-257958"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257958r925861_rule" weight="10.0" severity="medium"><version>RHEL-09-253015</version><title>RHEL 9 must ignore Internet Protocol version 4 (IPv4) Internet Control Message Protocol (ICMP) redirect messages.</title><description>&lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages modify the host's route table and are unauthenticated. An illicit ICMP redirect message could result in a man-in-the-middle attack.
+
+This feature of the IPv4 protocol has few legitimate uses. It should be disabled unless absolutely required.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61623r925860_fix">Configure RHEL 9 to ignore IPv4 ICMP redirect messages.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.all.accept_redirects = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61623r925860_fix" /><check system="C-61699r925859_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 will not accept IPv4 ICMP redirect messages.
+
+Check the value of the all "accept_redirects" variables with the following command:
+
+$ sysctl net.ipv4.conf.all.accept_redirects
+
+net.ipv4.conf.all.accept_redirects = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.all.accept_redirects | tail -1
+
+net.ipv4.conf.all.accept_redirects = 0
+
+If "net.ipv4.conf.all.accept_redirects" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257959"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257959r925864_rule" weight="10.0" severity="medium"><version>RHEL-09-253020</version><title>RHEL 9 must not forward Internet Protocol version 4 (IPv4) source-routed packets.</title><description>&lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. This requirement applies only to the forwarding of source-routerd traffic, such as when IPv4 forwarding is enabled and the system is functioning as a router.
+
+Accepting source-routed packets in the IPv4 protocol has few legitimate uses. It must be disabled unless it is absolutely required.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61624r925863_fix">Configure RHEL 9 to ignore IPv4 source-routed packets.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.all.accept_source_route = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61624r925863_fix" /><check system="C-61700r925862_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 will not accept IPv4 source-routed packets.
+
+Check the value of the all "accept_source_route" variables with the following command:
+
+$ sysctl net.ipv4.conf.all.accept_source_route
+
+net.ipv4.conf.all.accept_source_route = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.all.accept_source_route | tail -1
+
+net.ipv4.conf.all.accept_source_route = 0
+
+If "net.ipv4.conf.all.accept_source_route" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257960"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257960r925867_rule" weight="10.0" severity="medium"><version>RHEL-09-253025</version><title>RHEL 9 must log IPv4 packets with impossible addresses.</title><description>&lt;VulnDiscussion&gt;The presence of "martian" packets (which have impossible addresses) as well as spoofed packets, source-routed packets, and redirects could be a sign of nefarious network activity. Logging these packets enables this activity to be detected.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61625r925866_fix">Configure RHEL 9 to log martian packets on IPv4 interfaces.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.all.log_martians=1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61625r925866_fix" /><check system="C-61701r925865_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 logs IPv4 martian packets.
+
+Check the value of the accept source route variable with the following command:
+
+$ sudo sysctl net.ipv4.conf.all.log_martians
+
+net.ipv4.conf.all.log_martians = 1
+
+If the returned line does not have a value of "1", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.all.log_martians | tail -1
+
+net.ipv4.conf.all.log_martians = 1
+
+If "net.ipv4.conf.all.log_martians" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257961"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257961r925870_rule" weight="10.0" severity="medium"><version>RHEL-09-253030</version><title>RHEL 9 must log IPv4 packets with impossible addresses by default.</title><description>&lt;VulnDiscussion&gt;The presence of "martian" packets (which have impossible addresses) as well as spoofed packets, source-routed packets, and redirects could be a sign of nefarious network activity. Logging these packets enables this activity to be detected.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61626r925869_fix">Configure RHEL 9 to log martian packets on IPv4 interfaces by default.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.default.log_martians=1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61626r925869_fix" /><check system="C-61702r925868_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 logs IPv4 martian packets by default.
+
+Check the value of the accept source route variable with the following command:
+
+$ sudo sysctl net.ipv4.conf.default.log_martians
+
+net.ipv4.conf.default.log_martians = 1
+
+If the returned line does not have a value of "1", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.default.log_martians | tail -1
+
+net.ipv4.conf.default.log_martians = 1
+
+If "net.ipv4.conf.default.log_martians" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257962"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257962r925873_rule" weight="10.0" severity="medium"><version>RHEL-09-253035</version><title>RHEL 9 must use reverse path filtering on all IPv4 interfaces.</title><description>&lt;VulnDiscussion&gt;Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the interface on which they were received. It must not be used on systems that are routers for complicated networks, but is helpful for end hosts and routers serving small networks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61627r925872_fix">Configure RHEL 9 to use reverse path filtering on all IPv4 interfaces. 
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.all.rp_filter = 1
+
+The system configuration files need to be reloaded for the changes to take effect. To reload the contents of the files, run the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61627r925872_fix" /><check system="C-61703r925871_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 uses reverse path filtering on all IPv4 interfaces with the following commands:
+
+$ sysctl net.ipv4.conf.all.rp_filter
+
+net.ipv4.conf.all.rp_filter = 1
+
+If the returned line does not have a value of "1", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.all.rp_filter | tail -1
+
+net.ipv4.conf.all.rp_filter = 1
+
+If "net.ipv4.conf.all.rp_filter" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257963"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257963r925876_rule" weight="10.0" severity="medium"><version>RHEL-09-253040</version><title>RHEL 9 must prevent IPv4 Internet Control Message Protocol (ICMP) redirect messages from being accepted.</title><description>&lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages modify the host's route table and are unauthenticated. An illicit ICMP redirect message could result in a man-in-the-middle attack.
+
+This feature of the IPv4 protocol has few legitimate uses. It must be disabled unless absolutely required.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61628r925875_fix">Configure RHEL 9 to prevent IPv4 ICMP redirect messages from being accepted.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.default.accept_redirects = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61628r925875_fix" /><check system="C-61704r925874_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 will not accept IPv4 ICMP redirect messages.
+
+Check the value of the default "accept_redirects" variables with the following command:
+
+$ sysctl net.ipv4.conf.default.accept_redirects
+
+net.ipv4.conf.default.accept_redirects = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.default.accept_redirects | tail -1
+
+net.ipv4.conf.default.accept_redirects = 0
+
+If "net.ipv4.conf.default.accept_redirects" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257964"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257964r925879_rule" weight="10.0" severity="medium"><version>RHEL-09-253045</version><title>RHEL 9 must not forward IPv4 source-routed packets by default.</title><description>&lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures.
+
+Accepting source-routed packets in the IPv4 protocol has few legitimate uses. It must be disabled unless it is absolutely required, such as when IPv4 forwarding is enabled and the system is legitimately functioning as a router.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61629r925878_fix">Configure RHEL 9 to not forward IPv4 source-routed packets by default.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.default.accept_source_route = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61629r925878_fix" /><check system="C-61705r925877_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not accept IPv4 source-routed packets by default.
+
+Check the value of the accept source route variable with the following command:
+
+$ sysctl net.ipv4.conf.default.accept_source_route
+
+net.ipv4.conf.default.accept_source_route = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.default.accept_source_route | tail -1
+
+net.ipv4.conf.default.accept_source_route = 0
+
+If "net.ipv4.conf.default.accept_source_route" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257965"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257965r925882_rule" weight="10.0" severity="medium"><version>RHEL-09-253050</version><title>RHEL 9 must use a reverse-path filter for IPv4 network traffic when possible by default.</title><description>&lt;VulnDiscussion&gt;Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the interface on which they were received. It must not be used on systems that are routers for complicated networks, but is helpful for end hosts and routers serving small networks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61630r925881_fix">Configure RHEL 9 to use reverse path filtering on IPv4 interfaces by default.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.default.rp_filter = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61630r925881_fix" /><check system="C-61706r925880_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 uses reverse path filtering on IPv4 interfaces with the following commands:
+
+$ sudo sysctl net.ipv4.conf.default.rp_filter
+
+net.ipv4.conf.default.rp_filter = 1
+
+If the returned line does not have a value of "1", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.default.rp_filter | tail -1
+
+net.ipv4.conf.default.rp_filter = 1
+
+If "net.ipv4.conf.default.rp_filter" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257966"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257966r925885_rule" weight="10.0" severity="medium"><version>RHEL-09-253055</version><title>RHEL 9 must not respond to Internet Control Message Protocol (ICMP) echoes sent to a broadcast address.</title><description>&lt;VulnDiscussion&gt;Responding to broadcast (ICMP) echoes facilitates network mapping and provides a vector for amplification attacks.
+
+Ignoring ICMP echo requests (pings) sent to broadcast or multicast addresses makes the system slightly more difficult to enumerate on the network.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61631r925884_fix">Configure RHEL 9 to not respond to IPv4 ICMP echoes sent to a broadcast address.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61631r925884_fix" /><check system="C-61707r925883_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not respond to ICMP echoes sent to a broadcast address.
+
+Check the value of the "icmp_echo_ignore_broadcasts" variable with the following command:
+
+$ sysctl net.ipv4.icmp_echo_ignore_broadcasts
+
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+
+If the returned line does not have a value of "1", a line is not returned, or the retuned line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|$)' | grep -F net.ipv4.icmp_echo_ignore_broadcasts | tail -1
+
+net.ipv4.icmp_echo_ignore_broadcasts = 1
+
+If "net.ipv4.icmp_echo_ignore_broadcasts" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257967"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257967r925888_rule" weight="10.0" severity="medium"><version>RHEL-09-253060</version><title>RHEL 9 must limit the number of bogus Internet Control Message Protocol (ICMP) response errors logs.</title><description>&lt;VulnDiscussion&gt;Some routers will send responses to broadcast frames that violate RFC-1122, which fills up a log file system with many useless error messages. An attacker may take advantage of this and attempt to flood the logs with bogus error logs. Ignoring bogus ICMP error responses reduces log size, although some activity would not be logged.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61632r925887_fix">Configure RHEL 9 to not log bogus ICMP errors: 
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.icmp_ignore_bogus_error_responses = 1
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61632r925887_fix" /><check system="C-61708r925886_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>The runtime status of the net.ipv4.icmp_ignore_bogus_error_responses kernel parameter can be queried by running the following command:
+
+$ sudo sysctl net.ipv4.icmp_ignore_bogus_error_responses 
+
+net.ipv4.icmp_ignore_bogus_error_responses = 1
+
+If "net.ipv4.icmp_ignore_bogus_error_responses" is not set to "1", this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.icmp_ignore_bogus_error_response | tail -1
+
+net.ipv4.icmp_ignore_bogus_error_response = 1
+
+If "net.ipv4.icmp_ignore_bogus_error_response" is not set to "1" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257968"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257968r925891_rule" weight="10.0" severity="medium"><version>RHEL-09-253065</version><title>RHEL 9 must not send Internet Control Message Protocol (ICMP) redirects.</title><description>&lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages contain information from the system's route table possibly revealing portions of the network topology.
+
+The ability to send ICMP redirects is only appropriate for systems acting as routers.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61633r925890_fix">Configure RHEL 9 to not allow interfaces to perform IPv4 ICMP redirects.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.all.send_redirects = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61633r925890_fix" /><check system="C-61709r925889_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not IPv4 ICMP redirect messages.
+
+Check the value of the "all send_redirects" variables with the following command:
+
+$ sysctl net.ipv4.conf.all.send_redirects
+
+net.ipv4.conf.all.send_redirects = 0
+
+If the returned line does not have a value of "0", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F net.ipv4.conf.all.send_redirects | tail -1
+
+net.ipv4.conf.all.send_redirects = 0
+
+If "net.ipv4.conf.all.send_redirects" is not set to "0" and is not documented with the information system security officer (ISSO) as an operational requirement or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257969"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257969r925894_rule" weight="10.0" severity="medium"><version>RHEL-09-253070</version><title>RHEL 9 must not allow interfaces to perform Internet Control Message Protocol (ICMP) redirects by default.</title><description>&lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages contain information from the system's route table possibly revealing portions of the network topology.
+
+The ability to send ICMP redirects is only appropriate for systems acting as routers.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61634r925893_fix">Configure RHEL 9 to not allow interfaces to perform Internet Protocol version 4 (IPv4) ICMP redirects by default.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.default.send_redirects = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61634r925893_fix" /><check system="C-61710r925892_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not allow interfaces to perform Internet Protocol version 4 (IPv4) ICMP redirects by default.
+
+Check the value of the "default send_redirects" variables with the following command:
+
+$ sysctl net.ipv4.conf.default.send_redirects
+
+net.ipv4.conf.default.send_redirects=0
+
+If the returned line does not have a value of "0", or a line is not returned, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv4.conf.default.send_redirects | tail -1
+
+net.ipv4.conf.default.send_redirects = 0
+
+If "net.ipv4.conf.default.send_redirects" is not set to "0" and is not documented with the information system security officer (ISSO) as an operational requirement or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257970"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257970r925897_rule" weight="10.0" severity="medium"><version>RHEL-09-253075</version><title>RHEL 9 must not enable IPv4 packet forwarding unless the system is a router.</title><description>&lt;VulnDiscussion&gt;Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this capability is used when not required, system network information may be unnecessarily transmitted across the network.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61635r925896_fix">Configure RHEL 9 to not allow IPv4 packet forwarding, unless the system is a router.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv4.conf.all.forwarding = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61635r925896_fix" /><check system="C-61711r925895_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is not performing IPv4 packet forwarding, unless the system is a router.
+
+Check that IPv4 forwarding is disabled using the following command:
+
+$ sysctl net.ipv4.conf.all.forwarding
+
+net.ipv4.conf.all.forwarding = 0
+
+If the IPv4 forwarding value is not "0" and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ { /usr/lib/systemd/systemd-sysctl --cat-config; cat /etc/sysctl.conf; } | egrep -v '^(#|$)' | grep -F net.ipv4.conf.all.forwarding | tail -1
+
+net.ipv4.conf.all.forwarding = 0
+
+If "net.ipv4.conf.all.forwarding" is not set to "0" and is not documented with the ISSO as an operational requirement or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257971"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257971r925900_rule" weight="10.0" severity="medium"><version>RHEL-09-254010</version><title>RHEL 9 must not accept router advertisements on all IPv6 interfaces.</title><description>&lt;VulnDiscussion&gt;An illicit router advertisement message could result in a man-in-the-middle attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61636r925899_fix">Configure RHEL 9 to not accept router advertisements on all IPv6 interfaces unless the system is a router.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.all.accept_ra = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61636r925899_fix" /><check system="C-61712r925898_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not accept router advertisements on all IPv6 interfaces, unless the system is a router.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Determine if router advertisements are not accepted by using the following command:
+
+$ sudo sysctl net.ipv6.conf.all.accept_ra
+
+net.ipv6.conf.all.accept_ra = 0
+
+If the "accept_ra" value is not "0" and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv6.conf.all.accept_ra | tail -1
+
+net.ipv6.conf.all.accept_ra = 0
+
+If "net.ipv6.conf.all.accept_ra" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257972"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257972r925903_rule" weight="10.0" severity="medium"><version>RHEL-09-254015</version><title>RHEL 9 must ignore IPv6 Internet Control Message Protocol (ICMP) redirect messages.</title><description>&lt;VulnDiscussion&gt;An illicit ICMP redirect message could result in a man-in-the-middle attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61637r925902_fix">Configure RHEL 9 to ignore IPv6 ICMP redirect messages.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.all.accept_redirects = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61637r925902_fix" /><check system="C-61713r925901_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 ignores IPv6 ICMP redirect messages.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Check the value of the "accept_redirects" variables with the following command:
+
+$ sysctl net.ipv6.conf.all.accept_redirects
+
+net.ipv6.conf.all.accept_redirects = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F net.ipv6.conf.all.accept_redirects | tail -1
+
+net.ipv6.conf.all.accept_redirects = 0
+
+If "net.ipv6.conf.all.accept_redirects" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257973"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257973r925906_rule" weight="10.0" severity="medium"><version>RHEL-09-254020</version><title>RHEL 9 must not forward IPv6 source-routed packets.</title><description>&lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. This requirement applies only to the forwarding of source-routed traffic, such as when forwarding is enabled and the system is functioning as a router.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61638r925905_fix">Configure RHEL 9 to not forward IPv6 source-routed packets.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.all.accept_source_route = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61638r925905_fix" /><check system="C-61714r925904_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not accept IPv6 source-routed packets.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Check the value of the accept source route variable with the following command:
+
+$ sysctl net.ipv6.conf.all.accept_source_route
+
+net.ipv6.conf.all.accept_source_route = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F net.ipv6.conf.all.accept_source_route | tail -1
+
+net.ipv6.conf.all.accept_source_route = 0
+
+If "net.ipv6.conf.all.accept_source_route" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257974"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257974r925909_rule" weight="10.0" severity="medium"><version>RHEL-09-254025</version><title>RHEL 9 must not enable IPv6 packet forwarding unless the system is a router.</title><description>&lt;VulnDiscussion&gt;IP forwarding permits the kernel to forward packets from one network interface to another. The ability to forward packets between two networks is only appropriate for systems acting as routers.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61639r925908_fix">Configure RHEL 9 to not allow IPv6 packet forwarding, unless the system is a router.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.all.forwarding = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61639r925908_fix" /><check system="C-61715r925907_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is not performing IPv6 packet forwarding, unless the system is a router.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Check that IPv6 forwarding is disabled using the following commands:
+
+$ sysctl net.ipv6.conf.all.forwarding
+
+net.ipv6.conf.all.forwarding = 0
+
+If the IPv6 forwarding value is not "0" and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' | grep -F net.ipv6.conf.all.forwarding | tail -1
+
+net.ipv6.conf.all.forwarding = 0
+
+If "net.ipv6.conf.all.forwarding" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257975"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257975r925912_rule" weight="10.0" severity="medium"><version>RHEL-09-254030</version><title>RHEL 9 must not accept router advertisements on all IPv6 interfaces by default.</title><description>&lt;VulnDiscussion&gt;An illicit router advertisement message could result in a man-in-the-middle attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61640r925911_fix">Configure RHEL 9 to not accept router advertisements on all IPv6 interfaces by default unless the system is a router.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.default.accept_ra = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61640r925911_fix" /><check system="C-61716r925910_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not accept router advertisements on all IPv6 interfaces by default, unless the system is a router.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Determine if router advertisements are not accepted by default by using the following command:
+
+$ sysctl net.ipv6.conf.default.accept_ra
+
+net.ipv6.conf.default.accept_ra = 0
+
+If the "accept_ra" value is not "0" and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F net.ipv6.conf.default.accept_ra | tail -1
+
+net.ipv6.conf.default.accept_ra = 0
+
+If "net.ipv6.conf.default.accept_ra" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257976"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257976r925915_rule" weight="10.0" severity="medium"><version>RHEL-09-254035</version><title>RHEL 9 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.</title><description>&lt;VulnDiscussion&gt;ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages modify the host's route table and are unauthenticated. An illicit ICMP redirect message could result in a man-in-the-middle attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61641r925914_fix">Configure RHEL 9 to prevent IPv6 ICMP redirect messages from being accepted.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.default.accept_redirects = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61641r925914_fix" /><check system="C-61717r925913_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 will not accept IPv6 ICMP redirect messages.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Check the value of the default "accept_redirects" variables with the following command:
+
+$ sysctl net.ipv6.conf.default.accept_redirects
+
+net.ipv6.conf.default.accept_redirects = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F net.ipv6.conf.default.accept_redirects | tail -1
+
+net.ipv6.conf.default.accept_redirects = 0
+
+If "net.ipv6.conf.default.accept_redirects" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257977"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257977r925918_rule" weight="10.0" severity="medium"><version>RHEL-09-254040</version><title>RHEL 9 must not forward IPv6 source-routed packets by default.</title><description>&lt;VulnDiscussion&gt;Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures. This requirement applies only to the forwarding of source-routed traffic, such as when forwarding is enabled and the system is functioning as a router.
+
+Accepting source-routed packets in the IPv6 protocol has few legitimate uses. It must be disabled unless it is absolutely required.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61642r925917_fix">Configure RHEL 9 to not forward IPv6 source-routed packets by default.
+
+Add or edit the following line in a single system configuration file, in the "/etc/sysctl.d/" directory:
+
+net.ipv6.conf.default.accept_source_route = 0
+
+Load settings from all system configuration files with the following command:
+
+$ sudo sysctl --system</fixtext><fix id="F-61642r925917_fix" /><check system="C-61718r925916_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not accept IPv6 source-routed packets by default.
+
+Note: If IPv6 is disabled on the system, this requirement is Not Applicable.
+
+Check the value of the accept source route variable with the following command:
+
+$ sysctl net.ipv6.conf.default.accept_source_route
+
+net.ipv6.conf.default.accept_source_route = 0
+
+If the returned line does not have a value of "0", a line is not returned, or the line is commented out, this is a finding.
+
+Check that the configuration files are present to enable this network parameter.
+
+$ sudo /usr/lib/systemd/systemd-sysctl --cat-config | egrep -v '^(#|;)' |  grep -F net.ipv6.conf.default.accept_source_route | tail -1
+
+net.ipv6.conf.default.accept_source_route = 0
+
+If "net.ipv6.conf.default.accept_source_route" is not set to "0" or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257978"><title>SRG-OS-000423-GPOS-00187</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257978r925921_rule" weight="10.0" severity="medium"><version>RHEL-09-255010</version><title>All RHEL 9 networked systems must have SSH installed.</title><description>&lt;VulnDiscussion&gt;Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered. 
+
+This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. 
+
+Protecting the confidentiality and integrity of organizational information can be accomplished by physical means (e.g., employing physical distribution systems) or by logical means (e.g., employing cryptographic techniques). If physical means of protection are employed, then logical means (cryptography) do not have to be employed, and vice versa.
+
+Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188, SRG-OS-000425-GPOS-00189, SRG-OS-000426-GPOS-00190&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002418</ident><ident system="http://cyber.mil/cci">CCI-002420</ident><ident system="http://cyber.mil/cci">CCI-002421</ident><ident system="http://cyber.mil/cci">CCI-002422</ident><fixtext fixref="F-61643r925920_fix">The openssh-server package can be installed with the following command:
+ 
+$ sudo dnf install openssh-server</fixtext><fix id="F-61643r925920_fix" /><check system="C-61719r925919_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the openssh-server package installed with the following command:
+
+$ sudo dnf list --installed openssh-server
+
+Example output:
+
+openssh-server.x86_64          8.7p1-8.el9
+
+If the "openssh-server" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257979"><title>SRG-OS-000423-GPOS-00187</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257979r925924_rule" weight="10.0" severity="medium"><version>RHEL-09-255015</version><title>All RHEL 9 networked systems must have and implement SSH to protect the confidentiality and integrity of transmitted and received information, as well as information during preparation for transmission.</title><description>&lt;VulnDiscussion&gt;Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered. 
+
+This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. 
+
+Protecting the confidentiality and integrity of organizational information can be accomplished by physical means (e.g., employing physical distribution systems) or by logical means (e.g., employing cryptographic techniques). If physical means of protection are employed, then logical means (cryptography) do not have to be employed, and vice versa.
+
+Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000424-GPOS-00188, SRG-OS-000425-GPOS-00189, SRG-OS-000426-GPOS-00190&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002418</ident><ident system="http://cyber.mil/cci">CCI-002420</ident><ident system="http://cyber.mil/cci">CCI-002421</ident><ident system="http://cyber.mil/cci">CCI-002422</ident><fixtext fixref="F-61644r925923_fix">To enable the sshd service run the following command:
+
+$ systemctl enable --now sshd</fixtext><fix id="F-61644r925923_fix" /><check system="C-61720r925922_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "sshd" is active with the following command:
+
+$ systemctl is-active sshd
+
+active
+
+If the "sshd" service is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-257980"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257980r928960_rule" weight="10.0" severity="medium"><version>RHEL-09-255020</version><title>RHEL 9 must have the openssh-clients package installed.</title><description>&lt;VulnDiscussion&gt;This package includes utilities to make encrypted connections and transfer files securely to SSH servers.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61645r928960_fix">The openssh-clients package can be installed with the following command:
+ 
+$ sudo dnf install openssh-clients</fixtext><fix id="F-61645r928960_fix" /><check system="C-61721r925925_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the openssh-clients package installed with the following command:
+
+$ sudo dnf list --installed openssh-clients
+
+Example output:
+
+openssh-clients.x86_64          8.7p1-8.el9
+
+If the "openssh-clients" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-257981"><title>SRG-OS-000023-GPOS-00006</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257981r925930_rule" weight="10.0" severity="medium"><version>RHEL-09-255025</version><title>RHEL 9 must display the Standard Mandatory DOD Notice and Consent Banner before granting local or remote access to the system via a SSH logon.</title><description>&lt;VulnDiscussion&gt;The warning message reinforces policy awareness during the logon process and facilitates possible legal action against attackers. Alternatively, systems whose ownership should not be obvious should ensure usage of a banner that does not provide easy attribution.
+
+Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000228-GPOS-00088&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000048</ident><ident system="http://cyber.mil/cci">CCI-001384</ident><ident system="http://cyber.mil/cci">CCI-001385</ident><ident system="http://cyber.mil/cci">CCI-001386</ident><ident system="http://cyber.mil/cci">CCI-001387</ident><ident system="http://cyber.mil/cci">CCI-001388</ident><fixtext fixref="F-61646r925929_fix">Configure RHEL 9 to display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system via ssh.
+
+Edit the "/etc/ssh/sshd_config" file to uncomment the banner keyword and configure it to point to a file that will contain the logon banner (this file may be named differently or be in a different location if using a version of SSH that is provided by a third-party vendor).
+
+An example configuration line is:
+
+Banner /etc/issue</fixtext><fix id="F-61646r925929_fix" /><check system="C-61722r925928_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify any SSH connection to the operating system displays the Standard Mandatory DOD Notice and Consent Banner before granting access to the system.
+
+Check for the location of the banner file being used with the following command:
+
+$ sudo grep -i banner /etc/ssh/sshd_config
+
+banner /etc/issue
+
+This command will return the banner keyword and the name of the file that contains the SSH banner (in this case "/etc/issue").
+
+If the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257982"><title>SRG-OS-000032-GPOS-00013</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257982r925933_rule" weight="10.0" severity="medium"><version>RHEL-09-255030</version><title>RHEL 9 must log SSH connection attempts and failures to the server.</title><description>&lt;VulnDiscussion&gt;SSH provides several logging levels with varying amounts of verbosity. "DEBUG" is specifically not recommended other than strictly for debugging SSH communications since it provides so much data that it is difficult to identify important security information. "INFO" or "VERBOSE" level is the basic level that only records login activity of SSH users. In many situations, such as Incident Response, it is important to determine when a particular user was active on a system. The logout record can eliminate those users who disconnected, which helps narrow the field.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000067</ident><fixtext fixref="F-61647r925932_fix">Configure RHEL 9 to log connection attempts add or modify the following line in "/etc/ssh/sshd_config".
+
+LogLevel VERBOSE
+
+Restart the SSH daemon for the settings to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61647r925932_fix" /><check system="C-61723r925931_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 logs SSH connection attempts and failures to the server.
+
+Check what the SSH daemon's "LogLevel" option is set to with the following command:
+
+$ sudo grep -i LogLevel /etc/ssh/sshd_config
+
+LogLevel VERBOSE
+
+If a value of "VERBOSE" is not returned, the line is commented out, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257983"><title>SRG-OS-000105-GPOS-00052</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257983r925936_rule" weight="10.0" severity="medium"><version>RHEL-09-255035</version><title>RHEL 9 SSHD must accept public key authentication.</title><description>&lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor authentication requires using two or more factors to achieve authentication. A privileged account is defined as an information system account with authorizations of a privileged user. A DOD CAC with DOD-approved PKI is an example of multifactor authentication.
+
+Satisfies: SRG-OS-000105-GPOS-00052, SRG-OS-000106-GPOS-00053, SRG-OS-000107-GPOS-00054, SRG-OS-000108-GPOS-00055&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000765</ident><ident system="http://cyber.mil/cci">CCI-000766</ident><ident system="http://cyber.mil/cci">CCI-000767</ident><ident system="http://cyber.mil/cci">CCI-000768</ident><fixtext fixref="F-61648r925935_fix">To configure the system add or modify the following line in "/etc/ssh/sshd_config".
+
+PubkeyAuthentication yes
+
+Restart the SSH daemon for the settings to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61648r925935_fix" /><check system="C-61724r925934_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 SSH daemon accepts public key encryption with the following command:
+ 
+$ sudo grep -i PubkeyAuthentication /etc/ssh/sshd_config
+
+PubkeyAuthentication yes
+ 
+If "PubkeyAuthentication" is set to no, the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257984"><title>SRG-OS-000106-GPOS-00053</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257984r925939_rule" weight="10.0" severity="high"><version>RHEL-09-255040</version><title>RHEL 9 SSHD must not allow blank passwords.</title><description>&lt;VulnDiscussion&gt;If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with empty passwords should never be used in operational environments.
+
+Satisfies: SRG-OS-000106-GPOS-00053, SRG-OS-000480-GPOS-00229, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000766</ident><fixtext fixref="F-61649r925938_fix">To configure the system to prevent SSH users from logging on with blank passwords edit the following line in "etc/ssh/sshd_config":
+
+PermitEmptyPasswords no
+
+Restart the SSH daemon for the settings to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61649r925938_fix" /><check system="C-61725r925937_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 remote access using SSH prevents logging on with a blank password with the following command:
+
+$ sudo grep -i PermitEmptyPasswords /etc/ssh/sshd_config
+
+PermitEmptyPassword no
+
+If the "PermitEmptyPassword" keyword is set to "yes", is missing, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257985"><title>SRG-OS-000109-GPOS-00056</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257985r928961_rule" weight="10.0" severity="medium"><version>RHEL-09-255045</version><title>RHEL 9 must not permit direct logons to the root account using remote access via SSH.</title><description>&lt;VulnDiscussion&gt;Even though the communications channel may be encrypted, an additional layer of security is gained by extending the policy of not logging directly on as root. In addition, logging in with a user-specific account provides individual accountability of actions performed on the system and also helps to minimize direct attack attempts on root's password.
+
+Satisfies: SRG-OS-000109-GPOS-00056, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000770</ident><fixtext fixref="F-61650r925941_fix">To configure the system to prevent SSH users from logging on directly as root add or modify the following line in "/etc/ssh/sshd_config".
+
+ PermitRootLogin no
+
+Restart the SSH daemon for the settings to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61650r925941_fix" /><check system="C-61726r925940_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 remote access using SSH prevents users from logging on directly as "root" with the following command:
+
+$ sudo grep -i PermitRootLogin /etc/ssh/sshd_config
+
+PermitRootLogin no
+
+If the "PermitRootLogin" keyword is set to "yes", is missing, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257986"><title>SRG-OS-000125-GPOS-00065</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257986r925945_rule" weight="10.0" severity="high"><version>RHEL-09-255050</version><title>RHEL 9 must enable the Pluggable Authentication Module (PAM) interface for SSHD.</title><description>&lt;VulnDiscussion&gt;When UsePAM is set to "yes", PAM runs through account and session types properly. This is important when restricted access to services based off of IP, time, or other factors of the account is needed. Additionally, this ensures users can inherit certain environment variables on login or disallow access to the server.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000877</ident><fixtext fixref="F-61651r925944_fix">Configure the RHEL 9 SSHD to use the UsePAM interface add or modify the following line in "/etc/ssh/sshd_config".
+
+UsePAM yes
+
+Restart the SSH daemon for the settings to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61651r925944_fix" /><check system="C-61727r925943_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the RHEL 9 SSHD is configured to allow for the UsePAM interface with the following command:
+
+$ sudo grep -i usepam /etc/ssh/sshd_config
+
+UsePAM yes
+
+If the "UsePAM" keyword is set to "no", is missing, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257987"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257987r925948_rule" weight="10.0" severity="medium"><version>RHEL-09-255055</version><title>RHEL 9 SSH daemon must be configured to use system-wide crypto policies.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61652r925947_fix">Configure the RHEL 9 SSH daemon to use system-wide crypto policies by running the following commands:
+
+$ sudo dnf reinstall openssh-server</fixtext><fix id="F-61652r925947_fix" /><check system="C-61728r925946_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that system-wide crypto policies are in effect with the following command:
+
+$ sudo grep Include /etc/ssh/sshd_config  /etc/ssh/sshd_config.d/*
+
+/etc/ssh/sshd_config:Include /etc/ssh/sshd_config.d/*.conf
+/etc/ssh/sshd_config.d/50-redhat.conf:Include /etc/crypto-policies/back-ends/opensshserver.config
+
+If "Include /etc/ssh/sshd_config.d/*.conf" or "Include /etc/crypto-policies/back-ends/opensshserver.config" are not included in the system sshd config or the file /etc/ssh/sshd_config.d/50-redhat.conf is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257988"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257988r925951_rule" weight="10.0" severity="medium"><version>RHEL-09-255060</version><title>RHEL 9 must implement DOD-approved encryption ciphers to protect the confidentiality of SSH client connections.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+RHEL 9 incorporates system-wide crypto policies by default. The SSH configuration file has no effect on the ciphers, MACs, or algorithms unless specifically defined in the /etc/sysconfig/sshd file. The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/opensshserver.config file.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61653r925950_fix">Configure the RHEL 9 SSH daemon to use system-wide crypto policies by running the following commands:
+
+$ sudo dnf reinstall openssh-clients</fixtext><fix id="F-61653r925950_fix" /><check system="C-61729r925949_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that system-wide crypto policies are in effect with the following command:
+
+$ sudo grep Include /etc/ssh/sshd_config  /etc/ssh/sshd_config.d/*
+
+/etc/ssh/sshd_config:Include /etc/ssh/sshd_config.d/*.conf
+/etc/ssh/sshd_config.d/50-redhat.conf:Include /etc/crypto-policies/back-ends/opensshserver.config
+
+If "Include /etc/ssh/sshd_config.d/*.conf" or "Include /etc/crypto-policies/back-ends/opensshserver.config" are not included in the system sshd config or the file "/etc/ssh/sshd_config.d/50-redhat.conf" is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-257989"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257989r925954_rule" weight="10.0" severity="medium"><version>RHEL-09-255065</version><title>RHEL 9 must implement DOD-approved encryption ciphers to protect the confidentiality of SSH server connections.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+RHEL 9 incorporates system-wide crypto policies by default. The SSH configuration file has no effect on the ciphers, MACs, or algorithms unless specifically defined in the /etc/sysconfig/sshd file. The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/opensshserver.config file.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61654r925953_fix">Configure the RHEL 9 SSH client to use only ciphers employing FIPS 140-3 approved algorithms by updating the "/etc/crypto-policies/back-ends/openssh.config" file with the following line:
+
+Ciphers aes-256-gcm@openssh.com, chacha20-poly1305@openssh.com, aes256-ctr,aes128-gcm@openssh.com,aes128-ctr
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61654r925953_fix" /><check system="C-61730r925952_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH client is configured to use only ciphers employing FIPS 140-3 approved algorithms with the following command:
+
+$ sudo grep -i ciphers /etc/crypto-policies/back-ends/openssh.config 
+
+Ciphers aes-256-gcm@openssh.com, chacha20-poly1305@openssh.com, aes256-ctr,aes128-gcm@openssh.com,aes128-ctr
+
+If the cipher entries in the "openssh.config" file have any ciphers other than "aes-256-gcm@openssh.com, chacha20-poly1305@openssh.com, aes256-ctr,aes128-gcm@openssh.com,aes128-ctr", the order differs from the example above, they are missing, or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257990"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257990r925957_rule" weight="10.0" severity="medium"><version>RHEL-09-255070</version><title>RHEL 9 SSH client must be configured to use only Message Authentication Codes (MACs) employing FIPS 140-3 validated cryptographic hash algorithms.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+RHEL 9 incorporates system-wide crypto policies by default. The SSH configuration file has no effect on the ciphers, MACs, or algorithms unless specifically defined in the /etc/sysconfig/sshd file. The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/opensshserver.config file.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61655r925956_fix">Configure the RHEL 9 SSH client to use only MACs employing FIPS 140-3 approved algorithms by updating the "/etc/crypto-policies/back-ends/openssh.config" file with the following line:
+
+MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-512,hmac-sha2-256-etm@openssh.com,hmac-sha2-256
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61655r925956_fix" /><check system="C-61731r925955_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify SSH client is configured to use only ciphers employing FIPS 140-3 approved algorithms with the following command:
+
+$ sudo grep -i macs /etc/crypto-policies/back-ends/openssh.config
+MACs hmac-sha2-256-etm@openssh.com,hmac-sha2-256,hmac-sha2-512-etm@openssh.com,hmac-sha2-512
+
+If the MACs entries in the "openssh.config" file have any hashes other than "hmac-sha2-256-etm@openssh.com,hmac-sha2-256,hmac-sha2-512-etm@openssh.com,hmac-sha2-512", the order differs from the example above, they are missing, or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257991"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257991r925960_rule" weight="10.0" severity="medium"><version>RHEL-09-255075</version><title>RHEL 9 SSH server must be configured to use only Message Authentication Codes (MACs) employing FIPS 140-3 validated cryptographic hash algorithms.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+RHEL 9 incorporates system-wide crypto policies by default. The SSH configuration file has no effect on the ciphers, MACs, or algorithms unless specifically defined in the /etc/sysconfig/sshd file. The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/opensshserver.config file.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61656r925959_fix">Configure the RHEL 9 SSH client to use only MACs employing FIPS 140-3 approved algorithms by updating the "/etc/crypto-policies/back-ends/openssh.config" file with the following line:
+
+MACs hmac-sha2-256-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha1,umac-128@openssh.com,hmac-sha2-512
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61656r925959_fix" /><check system="C-61732r925958_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify SSH client is configured to use only ciphers employing FIPS 140-3 approved algorithms with the following command:
+
+$ sudo grep -i macs /etc/crypto-policies/back-ends/openssh.config
+MACs hmac-sha2-256-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha1,umac-128@openssh.com,hmac-sha2-512
+
+If the MACs entries in the "openssh.config" file have any hashes other than "hmac-sha2-256-etm@openssh.com,hmac-sha2-256,hmac-sha2-512-etm@openssh.com,hmac-sha2-512", the order differs from the example above, they are missing, or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257992"><title>SRG-OS-000480-GPOS-00229</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257992r925963_rule" weight="10.0" severity="medium"><version>RHEL-09-255080</version><title>RHEL 9 must not allow a noncertificate trusted host SSH logon to the system.</title><description>&lt;VulnDiscussion&gt;SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61657r925962_fix">To configure RHEL 9 to not allow a noncertificate trusted host SSH logon to the system add or modify the following line in "/etc/ssh/sshd_config".
+
+HostbasedAuthentication no
+
+Restart the SSH daemon for the settings to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61657r925962_fix" /><check system="C-61733r925961_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the operating system does not allow a noncertificate trusted host SSH logon to the system with the following command:
+
+$ sudo grep -i hostbasedauthentication /etc/ssh/sshd_config
+
+HostbasedAuthentication no
+
+If the "HostbasedAuthentication" keyword is not set to "no", is missing, or is commented out, this is a finding.
+
+If the required value is not set, this is a finding.</check-content></check></Rule></Group><Group id="V-257993"><title>SRG-OS-000480-GPOS-00229</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257993r925966_rule" weight="10.0" severity="medium"><version>RHEL-09-255085</version><title>RHEL 9 must not allow users to override SSH environment variables.</title><description>&lt;VulnDiscussion&gt;SSH environment options potentially allow users to bypass access restriction in some configurations.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61658r925965_fix">Configure the RHEL 9 SSH daemon to not allow unattended or automatic logon to the system.
+
+Add or edit the following line in the "/etc/ssh/sshd_config" file:
+
+PermitUserEnvironment no
+
+Restart the SSH daemon  for the setting to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61658r925965_fix" /><check system="C-61734r925964_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that unattended or automatic logon via SSH is disabled with the following command:
+
+$ sudo grep -i permituserenvironment /etc/ssh/sshd_config
+
+PermitUserEnvironment no
+
+If "PermitUserEnvironment" is set to "yes", is missing completely, or is commented out, this is a finding.
+
+If the required value is not set, this is a finding.</check-content></check></Rule></Group><Group id="V-257994"><title>SRG-OS-000423-GPOS-00187</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257994r925969_rule" weight="10.0" severity="medium"><version>RHEL-09-255090</version><title>RHEL 9 must force a frequent session key renegotiation for SSH connections to the server.</title><description>&lt;VulnDiscussion&gt;Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered. 
+
+This requirement applies to both internal and external networks and all types of information system components from which information can be transmitted (e.g., servers, mobile devices, notebook computers, printers, copiers, scanners, and facsimile machines). Communication paths outside the physical protection of a controlled boundary are exposed to the possibility of interception and modification. 
+
+Protecting the confidentiality and integrity of organizational information can be accomplished by physical means (e.g., employing physical distribution systems) or by logical means (e.g., employing cryptographic techniques). If physical means of protection are employed, then logical means (cryptography) do not have to be employed, and vice versa.
+
+Session key regeneration limits the chances of a session key becoming compromised.
+
+Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000033-GPOS-00014, SRG-OS-000424-GPOS-00188&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000068</ident><ident system="http://cyber.mil/cci">CCI-002418</ident><ident system="http://cyber.mil/cci">CCI-002421</ident><fixtext fixref="F-61659r925968_fix">Configure RHEL 9 to force a frequent session key renegotiation for SSH connections to the server by adding or modifying the following line in the "/etc/ssh/sshd_config" file:
+
+RekeyLimit 1G 1h
+
+Restart the SSH daemon for the settings to take effect.
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61659r925968_fix" /><check system="C-61735r925967_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH server is configured to force frequent session key renegotiation with the following command:
+
+$ sudo grep -i rekeyLimit /etc/ssh/sshd_config
+
+RekeyLimit 1G 1h
+
+If "RekeyLimit" does not have a maximum data amount and maximum time defined, is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257995"><title>SRG-OS-000163-GPOS-00072</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257995r925972_rule" weight="10.0" severity="medium"><version>RHEL-09-255095</version><title>RHEL 9 must be configured so that all network connections associated with SSH traffic terminate after becoming unresponsive.</title><description>&lt;VulnDiscussion&gt;Terminating an unresponsive SSH session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended. In addition, quickly terminating an idle SSH session will also free up resources committed by the managed network element.
+
+Terminating network connections associated with communications sessions includes, for example, deallocating associated TCP/IP address/port pairs at the operating system level and deallocating networking assignments at the application level if multiple application sessions are using a single operating system-level network connection. This does not mean the operating system terminates all sessions or network access; it only ends the unresponsive session and releases the resources associated with that session.
+
+RHEL 9 utilizes /etc/ssh/sshd_config for configurations of OpenSSH. Within the sshd_config, the product of the values of "ClientAliveInterval" and "ClientAliveCountMax" are used to establish the inactivity threshold. The "ClientAliveInterval" is a timeout interval in seconds, after which if no data has been received from the client, sshd will send a message through the encrypted channel to request a response from the client. The "ClientAliveCountMax" is the number of client alive messages that may be sent without sshd receiving any messages back from the client. If this threshold is met, sshd will disconnect the client. For more information on these settings and others, refer to the sshd_config man pages.
+
+Satisfies: SRG-OS-000163-GPOS-00072, SRG-OS-000279-GPOS-00109&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001133</ident><ident system="http://cyber.mil/cci">CCI-002361</ident><fixtext fixref="F-61660r925971_fix">Note: This setting must be applied in conjunction with RHEL-09-255100 to function correctly.
+
+Configure the SSH server to terminate a user session automatically after the SSH client has become unresponsive.
+
+Modify or append the following lines in the "/etc/ssh/sshd_config" file:
+
+ClientAliveCountMax 1
+
+In order for the changes to take effect, the SSH daemon must be restarted.
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61660r925971_fix" /><check system="C-61736r925970_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "ClientAliveCountMax" is set to "1" by performing the following command:
+
+$ sudo grep -i countmax /etc/ssh/sshd_config
+
+ClientAliveCountMax 1
+
+If "ClientAliveCountMax" do not exist, is not set to a value of "0" in "/etc/ssh/sshd_config", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257996"><title>SRG-OS-000126-GPOS-00066</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257996r925975_rule" weight="10.0" severity="medium"><version>RHEL-09-255100</version><title>RHEL 9 must be configured so that all network connections associated with SSH traffic are terminated after 10 minutes of becoming unresponsive.</title><description>&lt;VulnDiscussion&gt;Terminating an unresponsive SSH session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended. In addition, quickly terminating an idle SSH session will also free up resources committed by the managed network element.
+
+Terminating network connections associated with communications sessions includes, for example, deallocating associated TCP/IP address/port pairs at the operating system level and deallocating networking assignments at the application level if multiple application sessions are using a single operating system-level network connection. This does not mean the operating system terminates all sessions or network access; it only ends the unresponsive session and releases the resources associated with that session.
+
+RHEL 9 utilizes /etc/ssh/sshd_config for configurations of OpenSSH. Within the sshd_config, the product of the values of "ClientAliveInterval" and "ClientAliveCountMax" are used to establish the inactivity threshold. The "ClientAliveInterval" is a timeout interval in seconds, after which if no data has been received from the client, sshd will send a message through the encrypted channel to request a response from the client. The "ClientAliveCountMax" is the number of client alive messages that may be sent without sshd receiving any messages back from the client. If this threshold is met, sshd will disconnect the client. For more information on these settings and others, refer to the sshd_config man pages.
+
+Satisfies: SRG-OS-000126-GPOS-00066, SRG-OS-000163-GPOS-00072, SRG-OS-000279-GPOS-00109, SRG-OS-000395-GPOS-00175&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000879</ident><ident system="http://cyber.mil/cci">CCI-001133</ident><ident system="http://cyber.mil/cci">CCI-002361</ident><ident system="http://cyber.mil/cci">CCI-002891</ident><fixtext fixref="F-61661r925974_fix">Note: This setting must be applied in conjunction with RHEL-09-255095 to function correctly.
+
+Configure the SSH server to terminate a user session automatically after the SSH client has been unresponsive for 10 minutes.
+
+Modify or append the following lines in the "/etc/ssh/sshd_config" file:
+
+ClientAliveInterval 600
+
+In order for the changes to take effect, the SSH daemon must be restarted.
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61661r925974_fix" /><check system="C-61737r925973_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "ClientAliveInterval" variable is set to a value of "600" or less by performing the following command:
+
+$ sudo grep -i interval /etc/ssh/sshd_config
+
+ClientAliveInterval 600
+
+If "ClientAliveInterval" does not exist, does not have a value of "600" or less in "/etc/ssh/sshd_config", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-257997"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257997r925978_rule" weight="10.0" severity="medium"><version>RHEL-09-255105</version><title>RHEL 9 SSH server configuration file must be group-owned by root.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services, which if configured incorrectly, can lead to insecure and vulnerable configurations. Therefore, service configuration files must be owned by the correct group to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61662r925977_fix">Configure the "/etc/ssh/sshd_config" file to be group-owned by root with the following command:
+
+$ sudo chgrp root /etc/ssh/sshd_config</fixtext><fix id="F-61662r925977_fix" /><check system="C-61738r925976_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the group ownership of the "/etc/ssh/sshd_config" file with the following command:
+
+$ ls -al /etc/ssh/sshd_config
+
+rw-------. 1 root root 3669 Feb 22 11:34 /etc/ssh/sshd_config
+
+If the "/etc/ssh/sshd_config" file does not have a group owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257998"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257998r925981_rule" weight="10.0" severity="medium"><version>RHEL-09-255110</version><title>RHEL 9 SSH server configuration file must be owned by root.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services, which if configured incorrectly, can lead to insecure and vulnerable configurations. Therefore, service configuration files must be owned by the correct group to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61663r925980_fix">Configure the "/etc/ssh/sshd_config" file to be owned by root with the following command:
+
+$ sudo chown root /etc/ssh/sshd_config</fixtext><fix id="F-61663r925980_fix" /><check system="C-61739r925979_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the ownership of the "/etc/ssh/sshd_config" file with the following command:
+
+$ ls -al /etc/ssh/sshd_config
+
+rw-------. 1 root root 3669 Feb 22 11:34 /etc/ssh/sshd_config
+
+If the "/etc/ssh/sshd_config" file does not have an owner of "root", this is a finding.</check-content></check></Rule></Group><Group id="V-257999"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-257999r925984_rule" weight="10.0" severity="medium"><version>RHEL-09-255115</version><title>RHEL 9 SSH server configuration file must have mode 0600 or less permissive.</title><description>&lt;VulnDiscussion&gt;Service configuration files enable or disable features of their respective services that if configured incorrectly can lead to insecure and vulnerable configurations. Therefore, service configuration files should be owned by the correct group to prevent unauthorized changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61664r925983_fix">Configure the "/etc/ssh/sshd_config" permissions to be "0600" with the following command:
+
+$ sudo chmod 0600 /etc/ssh/sshd_config</fixtext><fix id="F-61664r925983_fix" /><check system="C-61740r925982_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the permissions of the "/etc/ssh/sshd_config" file with the following command:
+
+$ ls -al /etc/ssh/sshd_config
+
+rw-------. 1 root root 3669 Feb 22 11:34 /etc/ssh/sshd_config
+
+If the "/etc/ssh/sshd_config" permissions are not "0600", this is a finding.</check-content></check></Rule></Group><Group id="V-258000"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258000r925987_rule" weight="10.0" severity="medium"><version>RHEL-09-255120</version><title>RHEL 9 SSH private host key files must have mode 0640 or less permissive.</title><description>&lt;VulnDiscussion&gt;If an unauthorized user obtains the private SSH host key file, the host could be impersonated.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61665r925986_fix">Configure the mode of SSH private host key files under "/etc/ssh" to "0640" with the following command:
+
+$ sudo chmod 0640 /etc/ssh/ssh_host*key
+
+Restart the SSH daemon for the changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61665r925986_fix" /><check system="C-61741r925985_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH private host key files have a mode of "0640" or less permissive with the following command:
+
+$ ls -l /etc/ssh/*_key
+
+640 /etc/ssh/ssh_host_dsa_key
+640 /etc/ssh/ssh_host_ecdsa_key
+640 /etc/ssh/ssh_host_ed25519_key
+640 /etc/ssh/ssh_host_rsa_key
+
+If any private host key file has a mode more permissive than "0640", this is a finding.</check-content></check></Rule></Group><Group id="V-258001"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258001r925990_rule" weight="10.0" severity="medium"><version>RHEL-09-255125</version><title>RHEL 9 SSH public host key files must have mode 0644 or less permissive.</title><description>&lt;VulnDiscussion&gt;If a public host key file is modified by an unauthorized user, the SSH service may be compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61666r925989_fix">Change the mode of public host key files under "/etc/ssh" to "0644" with the following command:
+
+$ sudo chmod 0644 /etc/ssh/*key.pub
+
+Restart the SSH daemon for the changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61666r925989_fix" /><check system="C-61742r925988_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH public host key files have a mode of "0644" or less permissive with the following command:
+
+Note: SSH public key files may be found in other directories on the system depending on the installation.
+
+$ sudo stat -c "%a %n" /etc/ssh/*.pub
+
+644 /etc/ssh/ssh_host_dsa_key.pub
+644 /etc/ssh/ssh_host_ecdsa_key.pub
+644 /etc/ssh/ssh_host_ed25519_key.pub
+644 /etc/ssh/ssh_host_rsa_key.pub
+
+If any key.pub file has a mode more permissive than "0644", this is a finding.</check-content></check></Rule></Group><Group id="V-258002"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258002r925993_rule" weight="10.0" severity="medium"><version>RHEL-09-255130</version><title>RHEL 9 SSH daemon must not allow compression or must only allow compression after successful authentication.</title><description>&lt;VulnDiscussion&gt;If compression is allowed in an SSH connection prior to authentication, vulnerabilities in the compression software could result in compromise of the system from an unauthenticated connection, potentially with root privileges.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61667r925992_fix">Configure the SSH daemon to not allow compression.
+
+Uncomment the "Compression" keyword in "/etc/ssh/sshd_config" on the system and set the value to "delayed" or "no":
+
+Compression no
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61667r925992_fix" /><check system="C-61743r925991_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon performs compression after a user successfully authenticates with the following command:
+
+$ sudo grep -ir compression /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+Compression delayed
+
+If the "Compression" keyword is set to "yes", is missing, or the returned line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258003"><title>SRG-OS-000364-GPOS-00151</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258003r925996_rule" weight="10.0" severity="medium"><version>RHEL-09-255135</version><title>RHEL 9 SSH daemon must not allow GSSAPI authentication.</title><description>&lt;VulnDiscussion&gt;Generic Security Service Application Program Interface (GSSAPI) authentication is used to provide additional authentication mechanisms to applications. Allowing GSSAPI authentication through SSH exposes the system's GSSAPI to remote hosts, increasing the attack surface of the system.
+
+Satisfies: SRG-OS-000364-GPOS-00151, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001813</ident><fixtext fixref="F-61668r925995_fix">Configure the SSH daemon to not allow GSSAPI authentication.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "no":
+
+GSSAPIAuthentication no
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61668r925995_fix" /><check system="C-61744r925994_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon does not allow GSSAPI authentication with the following command:
+
+$ sudo grep -ir gssapiauth  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+GSSAPIAuthentication no
+
+If the value is returned as "yes", the returned line is commented out, no output is returned, and the use of GSSAPI authentication has not been documented with the information system security officer (ISSO), this is a finding.
+
+If the required value is not set, this is a finding.</check-content></check></Rule></Group><Group id="V-258004"><title>SRG-OS-000364-GPOS-00151</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258004r925999_rule" weight="10.0" severity="medium"><version>RHEL-09-255140</version><title>RHEL 9 SSH daemon must not allow Kerberos authentication.</title><description>&lt;VulnDiscussion&gt;Kerberos authentication for SSH is often implemented using Generic Security Service Application Program Interface (GSSAPI). If Kerberos is enabled through SSH, the SSH daemon provides a means of access to the system's Kerberos implementation. Vulnerabilities in the system's Kerberos implementations may be subject to exploitation.
+
+Satisfies: SRG-OS-000364-GPOS-00151, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001813</ident><fixtext fixref="F-61669r925998_fix">Configure the SSH daemon to not allow Kerberos authentication.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "no":
+
+KerberosAuthentication no
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61669r925998_fix" /><check system="C-61745r925997_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon does not allow Kerberos authentication with the following command:
+
+$ sudo grep -i kerberosauth  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+KerberosAuthentication no
+
+If the value is returned as "yes", the returned line is commented out, no output is returned, and the use of Kerberos authentication has not been documented with the information system security officer (ISSO), this is a finding.</check-content></check></Rule></Group><Group id="V-258005"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258005r926002_rule" weight="10.0" severity="medium"><version>RHEL-09-255145</version><title>RHEL 9 SSH daemon must not allow rhosts authentication.</title><description>&lt;VulnDiscussion&gt;SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61670r926001_fix">Configure the SSH daemon to not allow rhosts authentication.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
+
+IgnoreRhosts yes
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61670r926001_fix" /><check system="C-61746r926000_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon does not allow rhosts authentication with the following command:
+
+$ sudo grep -ir ignorerhosts /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+IgnoreRhosts yes
+
+If the value is returned as "no", the returned line is commented out, or no output is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258006"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258006r926005_rule" weight="10.0" severity="medium"><version>RHEL-09-255150</version><title>RHEL 9 SSH daemon must not allow known hosts authentication.</title><description>&lt;VulnDiscussion&gt;Configuring the IgnoreUserKnownHosts setting for the SSH daemon provides additional assurance that remote login via SSH will require a password, even in the event of misconfiguration elsewhere.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61671r926004_fix">Configure the SSH daemon to not allow known hosts authentication.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
+
+IgnoreUserKnownHosts yes
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61671r926004_fix" /><check system="C-61747r926003_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon does not allow known hosts authentication with the following command:
+
+$ sudo grep -ir ignoreuser  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+IgnoreUserKnownHosts yes
+
+If the value is returned as "no", the returned line is commented out, or no output is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258007"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258007r926008_rule" weight="10.0" severity="medium"><version>RHEL-09-255155</version><title>RHEL 9 SSH daemon must disable remote X connections for interactive users.</title><description>&lt;VulnDiscussion&gt;When X11 forwarding is enabled, there may be additional exposure to the server and client displays if the sshd proxy display is configured to listen on the wildcard address.  By default, sshd binds the forwarding server to the loopback address and sets the hostname part of the DISPLAY environment variable to localhost. This prevents remote hosts from connecting to the proxy display.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61672r926007_fix">Configure the SSH daemon to not allow X11 forwarding.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
+
+X11forwarding no
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61672r926007_fix" /><check system="C-61748r926006_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon does not allow X11Forwarding with the following command:
+
+$ sudo grep -ir x11for  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+X11forwarding no
+
+If the value is returned as "yes", the returned line is commented out, or no output is returned, and X11 forwarding is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-258008"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258008r926011_rule" weight="10.0" severity="medium"><version>RHEL-09-255160</version><title>RHEL 9 SSH daemon must perform strict mode checking of home directory configuration files.</title><description>&lt;VulnDiscussion&gt;If other users have access to modify user-specific SSH configuration files, they may be able to log into the system as another user.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61673r926010_fix">Configure the SSH daemon to perform strict mode checking of home directory configuration files.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
+
+StrictModes yes
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61673r926010_fix" /><check system="C-61749r926009_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon performs strict mode checking of home directory configuration files with the following command:
+
+$ sudo grep -ir strictmodes  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+StrictModes yes
+
+If the "StrictModes" keyword is set to "no", the returned line is commented out, or no output is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258009"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258009r926014_rule" weight="10.0" severity="medium"><version>RHEL-09-255165</version><title>RHEL 9 SSH daemon must display the date and time of the last successful account logon upon an SSH logon.</title><description>&lt;VulnDiscussion&gt;Providing users feedback on when account accesses last occurred facilitates user recognition and reporting of unauthorized account use.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61674r926013_fix">Configure the SSH daemon to provide users with feedback on when account accesses last occurred.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
+
+PrintLastLog yes
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61674r926013_fix" /><check system="C-61750r926012_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon provides users with feedback on when account accesses last occurred with the following command:
+
+$ sudo grep -ir printlast  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+PrintLastLog yes
+
+If the "PrintLastLog" keyword is set to "no", the returned line is commented out, or no output is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258010"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258010r926017_rule" weight="10.0" severity="medium"><version>RHEL-09-255170</version><title>RHEL 9 SSH daemon must be configured to use privilege separation.</title><description>&lt;VulnDiscussion&gt;SSH daemon privilege separation causes the SSH process to drop root privileges when not needed, which would decrease the impact of software vulnerabilities in the nonprivileged section.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61675r926016_fix">Configure the SSH daemon to perform privilege separation.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes" or "sandbox":
+
+UsePrivilegeSeparation sandbox
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61675r926016_fix" /><check system="C-61751r926015_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon performs privilege separation with the following command:
+
+$ sudo grep -ir usepriv  /etc/ssh/sshd_config /etc/ssh/sshd_config.d/*
+
+UsePrivilegeSeparation sandbox
+
+If the "UsePrivilegeSeparation" keyword is set to "no", the returned line is commented out, or no output is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258011"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258011r926020_rule" weight="10.0" severity="medium"><version>RHEL-09-255175</version><title>RHEL 9 SSH daemon must prevent remote hosts from connecting to the proxy display.</title><description>&lt;VulnDiscussion&gt;When X11 forwarding is enabled, there may be additional exposure to the server and client displays if the sshd proxy display is configured to listen on the wildcard address. By default, sshd binds the forwarding server to the loopback address and sets the hostname part of the "DISPLAY" environment variable to localhost. This prevents remote hosts from connecting to the proxy display.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61676r926019_fix">Configure the SSH daemon to prevent remote hosts from connecting to the proxy display.
+
+Add the following line in "/etc/ssh/sshd_config", or uncomment the line and set the value to "yes":
+
+X11UseLocalhost yes
+
+The SSH service must be restarted for changes to take effect:
+
+$ sudo systemctl restart sshd.service</fixtext><fix id="F-61676r926019_fix" /><check system="C-61752r926018_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH daemon prevents remote hosts from connecting to the proxy display with the following command:
+
+$ sudo grep -i x11uselocal /etc/ssh/sshd_config
+
+X11UseLocalhost yes
+
+If the "X11UseLocalhost" keyword is set to "no", is missing, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258012"><title>SRG-OS-000023-GPOS-00006</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258012r926023_rule" weight="10.0" severity="medium"><version>RHEL-09-271010</version><title>RHEL 9 must display the Standard Mandatory DOD Notice and Consent Banner before granting local or remote access to the system via a graphical user logon.</title><description>&lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.
+
+For U.S. Government systems, system use notifications are required only for access via login interfaces with human users and are not required when such human interfaces do not exist.
+
+Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000228-GPOS-00088&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000048</ident><ident system="http://cyber.mil/cci">CCI-001384</ident><ident system="http://cyber.mil/cci">CCI-001385</ident><ident system="http://cyber.mil/cci">CCI-001386</ident><ident system="http://cyber.mil/cci">CCI-001387</ident><ident system="http://cyber.mil/cci">CCI-001388</ident><fixtext fixref="F-61677r926022_fix">Configure RHEL 9 to display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system via a graphical user logon.
+
+Create a database to contain the system-wide graphical user logon settings (if it does not already exist) with the following command:
+
+$ sudo touch /etc/dconf/db/local.d/01-banner-message
+
+Add the following lines to the [org/gnome/login-screen] section of the "/etc/dconf/db/local.d/01-banner-message":
+
+[org/gnome/login-screen]
+
+banner-message-enable=true
+
+Run the following command to update the database:
+
+$ sudo dconf update</fixtext><fix id="F-61677r926022_fix" /><check system="C-61753r926021_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 displays a banner before granting access to the operating system via a graphical user logon.
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable. 
+
+Determine if the operating system displays a banner at the logon screen with the following command:
+
+$ sudo grep banner-message-enable /etc/dconf/db/local.d/*
+
+banner-message-enable=true
+
+If "banner-message-enable" is set to "false", is commented out, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258013"><title>SRG-OS-000023-GPOS-00006</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258013r926026_rule" weight="10.0" severity="medium"><version>RHEL-09-271015</version><title>RHEL 9 must prevent a user from overriding the banner-message-enable setting for the graphical user interface.</title><description>&lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.
+
+For U.S. Government systems, system use notifications are required only for access via login interfaces with human users and are not required when such human interfaces do not exist.
+
+Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000228-GPOS-00088&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000048</ident><ident system="http://cyber.mil/cci">CCI-001384</ident><ident system="http://cyber.mil/cci">CCI-001385</ident><ident system="http://cyber.mil/cci">CCI-001386</ident><ident system="http://cyber.mil/cci">CCI-001387</ident><ident system="http://cyber.mil/cci">CCI-001388</ident><fixtext fixref="F-61678r926025_fix">Configure RHEL 9 to prevent a user from overriding the banner setting for graphical user interfaces. 
+
+Create a database to contain the system-wide graphical user logon settings (if it does not already exist) with the following command:
+
+$ sudo touch /etc/dconf/db/local.d/locks/session
+
+Add the following setting to prevent nonprivileged users from modifying it:
+
+banner-message-enable
+
+Run the following command to update the database:
+
+$ sudo dconf update</fixtext><fix id="F-61678r926025_fix" /><check system="C-61754r926024_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents a user from overriding settings for graphical user interfaces. 
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that graphical settings are locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ sudo grep banner-message-enable /etc/dconf/db/local.d/* 
+
+/org/gnome/login-screen/banner-message-enable
+
+If the output is not "/org/gnome/login-screen/banner-message-enable", the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258014"><title>SRG-OS-000114-GPOS-00059</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258014r926029_rule" weight="10.0" severity="medium"><version>RHEL-09-271020</version><title>RHEL 9 must disable the graphical user interface automount function unless required.</title><description>&lt;VulnDiscussion&gt;Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity.
+
+Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000778</ident><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61679r926028_fix">Configure the GNOME desktop to disable automated mounting of removable media.
+
+The dconf settings can be edited in the /etc/dconf/db/* location.
+
+Update the [org/gnome/desktop/media-handling] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:
+
+[org/gnome/desktop/media-handling]
+automount-open=false
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61679r926028_fix" /><check system="C-61755r926027_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables the graphical user interface automount function with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ gsettings get org.gnome.desktop.media-handling automount-open 
+
+false
+
+If "automount-open" is set to "true", and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-258015"><title>SRG-OS-000114-GPOS-00059</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258015r926032_rule" weight="10.0" severity="medium"><version>RHEL-09-271025</version><title>RHEL 9 must prevent a user from overriding the disabling of the graphical user interface automount function.</title><description>&lt;VulnDiscussion&gt;A nonprivileged account is any operating system account with authorizations of a nonprivileged user.
+
+Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000778</ident><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61680r926031_fix">Configure the GNOME desktop to not allow a user to change the setting that disables automated mounting of removable media.
+
+Add the following line to "/etc/dconf/db/local.d/locks/00-security-settings-lock" to prevent user modification:
+
+/org/gnome/desktop/media-handling/automount-open
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61680r926031_fix" /><check system="C-61756r926030_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables ability of the user to override the graphical user interface automount setting.
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that the automount setting is locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ grep 'automount-open' /etc/dconf/db/local.d/locks/* 
+
+/org/gnome/desktop/media-handling/automount-open
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258016"><title>SRG-OS-000368-GPOS-00154</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258016r926035_rule" weight="10.0" severity="medium"><version>RHEL-09-271030</version><title>RHEL 9 must disable the graphical user interface autorun function unless required.</title><description>&lt;VulnDiscussion&gt;Allowing autorun commands to execute may introduce malicious code to a system. Configuring this setting prevents autorun commands from executing.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><fixtext fixref="F-61681r926034_fix">Configure the GNOME desktop to disable the autorun function on removable media.
+
+The dconf settings can be edited in the /etc/dconf/db/* location.
+
+Update the [org/gnome/desktop/media-handling] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:
+
+[org/gnome/desktop/media-handling]
+autorun-never=true
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61681r926034_fix" /><check system="C-61757r926033_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables the graphical user interface autorun function with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ gsettings get org.gnome.desktop.media-handling autorun-never 
+
+true
+
+If "autorun-never" is set to "false", and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-258017"><title>SRG-OS-000114-GPOS-00059</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258017r926038_rule" weight="10.0" severity="medium"><version>RHEL-09-271035</version><title>RHEL 9 must prevent a user from overriding the disabling of the graphical user interface autorun function.</title><description>&lt;VulnDiscussion&gt;Techniques used to address this include protocols using nonces (e.g., numbers generated for a specific one-time use) or challenges (e.g., TLS, WS_Security). Additional techniques include time-synchronous or challenge-response one-time authenticators.
+
+Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000778</ident><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61682r926037_fix">Configure the GNOME desktop to not allow a user to change the setting that disables autorun on removable media.
+
+Add the following line to "/etc/dconf/db/local.d/locks/00-security-settings-lock" to prevent user modification:
+
+/org/gnome/desktop/media-handling/autorun-never
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61682r926037_fix" /><check system="C-61758r926036_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables ability of the user to override the graphical user interface autorun setting.
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that the automount setting is locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ grep 'autorun-never' /etc/dconf/db/local.d/locks/* 
+
+/org/gnome/desktop/media-handling/autorun-never
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258018"><title>SRG-OS-000480-GPOS-00229</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258018r926041_rule" weight="10.0" severity="high"><version>RHEL-09-271040</version><title>RHEL 9 must not allow unattended or automatic logon via the graphical user interface.</title><description>&lt;VulnDiscussion&gt;Failure to restrict system access to authenticated users negatively impacts operating system security.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61683r926040_fix">Configure the GNOME desktop display manager to disable automatic login.
+
+Set AutomaticLoginEnable to false in the [daemon] section in /etc/gdm/custom.conf. For example:
+
+[daemon]
+AutomaticLoginEnable=false</fixtext><fix id="F-61683r926040_fix" /><check system="C-61759r926039_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 does not allow an unattended or automatic logon to the system via a graphical user interface.
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Check for the value of the "AutomaticLoginEnable" in the "/etc/gdm/custom.conf" file with the following command:
+
+$  grep -i automaticlogin /etc/gdm/custom.conf
+
+[daemon]
+AutomaticLoginEnable=false
+
+If the value of "AutomaticLoginEnable" is not set to "false", this is a finding.</check-content></check></Rule></Group><Group id="V-258019"><title>SRG-OS-000028-GPOS-00009</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258019r926044_rule" weight="10.0" severity="medium"><version>RHEL-09-271045</version><title>RHEL 9 must be able to initiate directly a session lock for all connection types using smart card when the smart card is removed.</title><description>&lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence.
+
+The session lock is implemented at the point where session activity can be determined. Rather than be forced to wait for a period of time to expire before the user session can be locked, RHEL 9 needs to provide users with the ability to manually invoke a session lock so users can secure their session if it is necessary to temporarily vacate the immediate physical vicinity.
+
+Satisfies: SRG-OS-000028-GPOS-00009, SRG-OS-000030-GPOS-00011&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-000058</ident><fixtext fixref="F-61684r926043_fix">Configure RHEL 9 to enable a user's session lock until that user re-establishes access using established identification and authentication procedures.
+
+Select or create an authselect profile and incorporate the "with-smartcard-lock-on-removal" feature with the following example:
+
+$ sudo authselect select sssd with-smartcard with-smartcard-lock-on-removal
+
+Alternatively, the dconf settings can be edited in the /etc/dconf/db/* location.
+
+Add or update the [org/gnome/settings-daemon/peripherals/smartcard] section of the /etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:
+
+[org/gnome/settings-daemon/peripherals/smartcard]
+removal-action='lock-screen'
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61684r926043_fix" /><check system="C-61760r926042_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enables a user's session lock until that user re-establishes access using established identification and authentication procedures with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ grep -R removal-action /etc/dconf/db/*
+
+/etc/dconf/db/distro.d/20-authselect:removal-action='lock-screen'
+
+If the "removal-action='lock-screen'" setting is missing or commented out from the dconf database files, this is a finding.</check-content></check></Rule></Group><Group id="V-258020"><title>SRG-OS-000028-GPOS-00009</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258020r926047_rule" weight="10.0" severity="medium"><version>RHEL-09-271050</version><title>RHEL 9 must prevent a user from overriding the disabling of the graphical user smart card removal action.</title><description>&lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence.
+
+The session lock is implemented at the point where session activity can be determined. Rather than be forced to wait for a period of time to expire before the user session can be locked, RHEL 9 needs to provide users with the ability to manually invoke a session lock so users can secure their session if it is necessary to temporarily vacate the immediate physical vicinity.
+
+Satisfies: SRG-OS-000028-GPOS-00009, SRG-OS-000030-GPOS-00011&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-000058</ident><fixtext fixref="F-61685r926046_fix">Add the following line to "/etc/dconf/db/local.d/locks/00-security-settings-lock" to prevent user override of the smart card removal action:
+
+/org/gnome/settings-daemon/peripherals/smartcard/removal-action
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61685r926046_fix" /><check system="C-61761r926045_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables ability of the user to override the smart card removal action setting.
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that the removal action setting is locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ grep 'removal-action' /etc/dconf/db/local.d/locks/* 
+
+/org/gnome/settings-daemon/peripherals/smartcard/removal-action
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258021"><title>SRG-OS-000028-GPOS-00009</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258021r926050_rule" weight="10.0" severity="medium"><version>RHEL-09-271055</version><title>RHEL 9 must enable a user session lock until that user re-establishes access using established identification and authentication procedures for graphical user sessions.</title><description>&lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence.
+
+The session lock is implemented at the point where session activity can be determined.
+
+Regardless of where the session lock is determined and implemented, once invoked, the session lock must remain in place until the user reauthenticates. No other activity aside from reauthentication must unlock the system.
+
+Satisfies: SRG-OS-000028-GPOS-00009, SRG-OS-000030-GPOS-00011&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-000058</ident><fixtext fixref="F-61686r926049_fix">Configure RHEL 9 to enable a user's session lock until that user re-establishes access using established identification and authentication procedures.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following example:
+
+$ sudo vi /etc/dconf/db/local.d/00-screensaver
+
+Edit the "[org/gnome/desktop/screensaver]" section of the database file and add or update the following lines:
+
+# Set this to true to lock the screen when the screensaver activates
+lock-enabled=true
+
+Update the system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61686r926049_fix" /><check system="C-61762r926048_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enables a user's session lock until that user re-establishes access using established identification and authentication procedures with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ gsettings get org.gnome.desktop.screensaver lock-enabled
+
+true
+
+If the setting is "false", this is a finding.</check-content></check></Rule></Group><Group id="V-258022"><title>SRG-OS-000028-GPOS-00009</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258022r926053_rule" weight="10.0" severity="medium"><version>RHEL-09-271060</version><title>RHEL 9 must prevent a user from overriding the screensaver lock-enabled setting for the graphical user interface.</title><description>&lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not log out because of the temporary nature of the absence. Rather than relying on the user to manually lock their operating system session prior to vacating the vicinity, operating systems need to be able to identify when a user's session has idled and take action to initiate the session lock.
+
+The session lock is implemented at the point where session activity can be determined and/or controlled.
+
+Implementing session settings will have little value if a user is able to manipulate these settings from the defaults prescribed in the other requirements of this implementation guide.
+
+Satisfies: SRG-OS-000028-GPOS-00009, SRG-OS-000030-GPOS-00011&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-000058</ident><fixtext fixref="F-61687r926052_fix">Configure RHEL 9 to prevent a user from overriding settings for graphical user interfaces.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following command: 
+
+Note: The example below is using the database "local" for the system, so if the system is using another database in "/etc/dconf/profile/user", the file should be created under the appropriate subdirectory.
+
+$ sudo touch /etc/dconf/db/local.d/locks/session
+
+Add the following setting to prevent nonprivileged users from modifying it:
+
+/org/gnome/desktop/screensaver/lock-enabled</fixtext><fix id="F-61687r926052_fix" /><check system="C-61763r926051_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents a user from overriding settings for graphical user interfaces. 
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, Gnome Shell. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that graphical settings are locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ sudo grep -i lock-enabled /etc/dconf/db/local.d/locks/*
+
+/org/gnome/desktop/screensaver/lock-enabled
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258023"><title>SRG-OS-000029-GPOS-00010</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258023r926056_rule" weight="10.0" severity="medium"><version>RHEL-09-271065</version><title>RHEL 9 must automatically lock graphical user sessions after 15 minutes of inactivity.</title><description>&lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not logout because of the temporary nature of the absence. Rather than relying on the user to manually lock their operating system session prior to vacating the vicinity, the GNOME desktop can be configured to identify when a user's session has idled and take action to initiate a session lock.
+
+Satisfies: SRG-OS-000029-GPOS-00010, SRG-OS-000031-GPOS-00012&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><ident system="http://cyber.mil/cci">CCI-000060</ident><fixtext fixref="F-61688r926055_fix">Configure RHEL 9 to initiate a screensaver after a 15-minute period of inactivity for graphical user interfaces.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following command:
+
+$ sudo touch /etc/dconf/db/local.d/00-screensaver
+
+Edit /etc/dconf/db/local.d/00-screensaver and add or update the following lines:
+
+[org/gnome/desktop/session]
+# Set the lock time out to 900 seconds before the session is considered idle
+idle-delay=uint32 900
+
+Update the system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61688r926055_fix" /><check system="C-61764r926054_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 initiates a session lock after a 15-minute period of inactivity for graphical user interfaces with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ sudo gsettings get org.gnome.desktop.session idle-delay
+
+uint32 900
+
+If "idle-delay" is set to "0" or a value greater than "900", this is a finding.</check-content></check></Rule></Group><Group id="V-258024"><title>SRG-OS-000029-GPOS-00010</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258024r926059_rule" weight="10.0" severity="medium"><version>RHEL-09-271070</version><title>RHEL 9 must prevent a user from overriding the session idle-delay setting for the graphical user interface.</title><description>&lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not logout because of the temporary nature of the absence. Rather than relying on the user to manually lock their operating system session prior to vacating the vicinity, the GNOME desktop can be configured to identify when a user's session has idled and take action to initiate the session lock. As such, users should not be allowed to change session settings.
+
+Satisfies: SRG-OS-000029-GPOS-00010, SRG-OS-000031-GPOS-00012&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><ident system="http://cyber.mil/cci">CCI-000060</ident><fixtext fixref="F-61689r926058_fix">Configure RHEL 9 to prevent a user from overriding settings for graphical user interfaces.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following command: 
+
+Note: The example below is using the database "local" for the system, so if the system is using another database in "/etc/dconf/profile/user", the file should be created under the appropriate subdirectory.
+
+$ sudo touch /etc/dconf/db/local.d/locks/session
+
+Add the following setting to prevent nonprivileged users from modifying it:
+
+/org/gnome/desktop/session/idle-delay</fixtext><fix id="F-61689r926058_fix" /><check system="C-61765r926057_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents a user from overriding settings for graphical user interfaces. 
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that graphical settings are locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ sudo grep -i idle /etc/dconf/db/local.d/locks/*
+
+/org/gnome/desktop/session/idle-delay
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258025"><title>SRG-OS-000029-GPOS-00010</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258025r926062_rule" weight="10.0" severity="medium"><version>RHEL-09-271075</version><title>RHEL 9 must initiate a session lock for graphical user interfaces when the screensaver is activated.</title><description>&lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to logout because of the temporary nature of the absence.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><fixtext fixref="F-61690r926061_fix">Configure RHEL 9 to initiate a session lock for graphical user interfaces when a screensaver is activated.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following command: 
+
+Note: The example below is using the database "local" for the system, so if the system is using another database in "/etc/dconf/profile/user", the file should be created under the appropriate subdirectory.
+
+$ sudo touch /etc/dconf/db/local.d/00-screensaver
+
+[org/gnome/desktop/screensaver]
+lock-delay=uint32 5
+
+The "uint32" must be included along with the integer key values as shown.
+
+Update the system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61690r926061_fix" /><check system="C-61766r926060_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 initiates a session lock for graphical user interfaces when the screensaver is activated with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ gsettings get org.gnome.desktop.screensaver lock-delay
+
+uint32 5
+
+If the "uint32" setting is not set to "5" or less, or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258026"><title>SRG-OS-000029-GPOS-00010</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258026r926065_rule" weight="10.0" severity="medium"><version>RHEL-09-271080</version><title>RHEL 9 must prevent a user from overriding the session lock-delay setting for the graphical user interface.</title><description>&lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not logout because of the temporary nature of the absence. Rather than relying on the user to manually lock their operating system session prior to vacating the vicinity, the GNOME desktop can be configured to identify when a user's session has idled and take action to initiate the session lock. As such, users should not be allowed to change session settings.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><fixtext fixref="F-61691r926064_fix">Configure RHEL 9 to prevent a user from overriding settings for graphical user interfaces.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following command: 
+
+Note: The example below is using the database "local" for the system, so if the system is using another database in "/etc/dconf/profile/user", the file should be created under the appropriate subdirectory.
+
+$ sudo touch /etc/dconf/db/local.d/locks/session
+
+Add the following setting to prevent nonprivileged users from modifying it:
+
+/org/gnome/desktop/screensaver/lock-delay</fixtext><fix id="F-61691r926064_fix" /><check system="C-61767r926063_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents a user from overriding settings for graphical user interfaces. 
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that graphical settings are locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ sudo grep -i lock-delay /etc/dconf/db/local.d/locks/*
+
+/org/gnome/desktop/screensaver/lock-delay
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258027"><title>SRG-OS-000031-GPOS-00012</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258027r926068_rule" weight="10.0" severity="medium"><version>RHEL-09-271085</version><title>RHEL 9 must conceal, via the session lock, information previously visible on the display with a publicly viewable image.</title><description>&lt;VulnDiscussion&gt;Setting the screensaver mode to blank-only conceals the contents of the display from passersby.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000060</ident><fixtext fixref="F-61692r926067_fix">The dconf settings can be edited in the /etc/dconf/db/* location.
+
+First, add or update the [org/gnome/desktop/screensaver] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:
+
+[org/gnome/desktop/screensaver]
+picture-uri=''
+
+Then, add the following line to "/etc/dconf/db/local.d/locks/00-security-settings-lock" to prevent user modification:
+
+/org/gnome/desktop/screensaver/picture-uri
+
+Finally, update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61692r926067_fix" /><check system="C-61768r926066_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>To ensure the screensaver is configured to be blank, run the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ gsettings get org.gnome.desktop.screensaver picture-uri 
+
+If properly configured, the output should be "''".
+
+To ensure that users cannot set the screensaver background, run the following: 
+
+$ grep picture-uri /etc/dconf/db/local.d/locks/* 
+
+If properly configured, the output should be "/org/gnome/desktop/screensaver/picture-uri".
+
+If it is not set or configured properly, this is a finding.</check-content></check></Rule></Group><Group id="V-258028"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258028r926071_rule" weight="10.0" severity="medium"><version>RHEL-09-271090</version><title>RHEL 9 effective dconf policy must match the policy keyfiles.</title><description>&lt;VulnDiscussion&gt;Unlike text-based keyfiles, the binary database is impossible to check through most automated and all manual means; therefore, in order to evaluate dconf configuration, both have to be true at the same time - configuration files have to be compliant, and the database needs to be more recent than those keyfiles, which gives confidence that it reflects them.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61693r926070_fix">Update the dconf databases by running the following command:
+
+$ sudo dconf update</fixtext><fix id="F-61693r926070_fix" /><check system="C-61769r926069_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Check the last modification time of the local databases, comparing it to the last modification time of the related keyfiles. The following command will check every dconf database and compare its modification time to the related system keyfiles:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ function dconf_needs_update { for db in $(find /etc/dconf/db -maxdepth 1 -type f); do db_mtime=$(stat -c %Y "$db"); keyfile_mtime=$(stat -c %Y "$db".d/* | sort -n | tail -1); if [ -n "$db_mtime" ] &amp;&amp; [ -n "$keyfile_mtime" ] &amp;&amp; [ "$db_mtime" -lt "$keyfile_mtime" ]; then echo "$db needs update"; return 1; fi; done; }; dconf_needs_update
+
+If the command has any output, then a dconf database needs to be updated, and this is a finding.</check-content></check></Rule></Group><Group id="V-258029"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258029r926074_rule" weight="10.0" severity="medium"><version>RHEL-09-271095</version><title>RHEL 9 must disable the ability of a user to restart the system from the login screen.</title><description>&lt;VulnDiscussion&gt;A user who is at the console can reboot the system at the login screen. If restart or shutdown buttons are pressed at the login screen, this can create the risk of short-term loss of availability of systems due to reboot.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61694r926073_fix">Configure RHEL 9 to disable a user's ability to restart the system.
+
+Add or update the [org/gnome/settings-daemon/] section of the /etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:
+
+[org/gnome/settings-daemon/peripherals/smartcard]
+disable-restart-buttons='true'
+
+Then update the dconf system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61694r926073_fix" /><check system="C-61770r926072_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 disables a user's ability to restart the system with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, Gnome Shell. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ grep -R disable-restart-buttons /etc/dconf/db/*
+
+/etc/dconf/db/distro.d/20-authselect:disable-restart-buttons='true'
+
+If the "disable-restart-button" setting is not set to "true", is missing or commented out from the dconf database files, this is a finding.</check-content></check></Rule></Group><Group id="V-258030"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258030r926077_rule" weight="10.0" severity="medium"><version>RHEL-09-271100</version><title>RHEL 9 must prevent a user from overriding the disable-restart-buttons setting for the graphical user interface.</title><description>&lt;VulnDiscussion&gt;A user who is at the console can reboot the system at the login screen. If restart or shutdown buttons are pressed at the login screen, this can create the risk of short-term loss of availability of systems due to reboot.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61695r926076_fix">Configure RHEL 9 to prevent a user from overriding the disable-restart-buttons setting for graphical user interfaces. 
+
+Create a database to contain the system-wide graphical user logon settings (if it does not already exist) with the following command:
+
+$ sudo touch /etc/dconf/db/local.d/locks/session
+
+Add the following line to prevent nonprivileged users from modifying it:
+
+/org/gnome/login-screen/disable-restart-buttons
+
+Run the following command to update the database:
+
+$ sudo dconf update</fixtext><fix id="F-61695r926076_fix" /><check system="C-61771r926075_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents a user from overriding the disable-restart-buttons setting for graphical user interfaces. 
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+Determine which profile the system database is using with the following command:
+
+$ sudo grep system-db /etc/dconf/profile/user
+
+system-db:local
+
+Check that graphical settings are locked from nonprivileged user modification with the following command:
+
+Note: The example below is using the database "local" for the system, so the path is "/etc/dconf/db/local.d". This path must be modified if a database other than "local" is being used.
+
+$ grep disable-restart-buttons /etc/dconf/db/local.d/locks/* 
+
+/org/gnome/login-screen/disable-restart-buttons
+
+If the command does not return at least the example result, this is a finding.</check-content></check></Rule></Group><Group id="V-258031"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258031r926080_rule" weight="10.0" severity="medium"><version>RHEL-09-271105</version><title>RHEL 9 must disable the ability of a user to accidentally press Ctrl-Alt-Del and cause a system to shut down or reboot.</title><description>&lt;VulnDiscussion&gt;A locally logged-in user who presses Ctrl-Alt-Del, when at the console, can reboot the system. If accidentally pressed, as could happen in the case of mixed OS environment, this can create the risk of short-term loss of availability of systems due to unintentional reboot.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61696r926079_fix">Configure RHEL 9 to ignore the Ctrl-Alt-Del sequence in the GNOME desktop.
+
+Add or update the [org/gnome/settings-daemon/plugins/media-keys] section of the /etc/dconf/db/local.d/00-security-settings database file and add or update the following lines:
+
+[org/gnome/settings-daemon/plugins/media-keys]
+logout=['']
+
+Run the following command to update the database:
+
+$ sudo dconf update</fixtext><fix id="F-61696r926079_fix" /><check system="C-61772r926078_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to ignore the Ctrl-Alt-Del sequence in the GNOME desktop with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ gsettings get org.gnome.settings-daemon.plugins.media-keys logout 
+
+"['']"
+
+If the GNOME desktop is configured to shut down when Ctrl-Alt-Del is pressed, this is a finding.</check-content></check></Rule></Group><Group id="V-258032"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258032r926083_rule" weight="10.0" severity="medium"><version>RHEL-09-271110</version><title>RHEL 9 must prevent a user from overriding the Ctrl-Alt-Del sequence settings for the graphical user interface.</title><description>&lt;VulnDiscussion&gt;A locally logged-in user who presses Ctrl-Alt-Del, when at the console, can reboot the system. If accidentally pressed, as could happen in the case of mixed OS environment, this can create the risk of short-term loss of availability of systems due to unintentional reboot.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61697r926082_fix">Configure RHEL 9 to disallow the user changing the Ctrl-Alt-Del sequence in the GNOME desktop.
+
+Create a database to container system-wide graphical user logon settings (if it does not already exist) with the following command:
+
+$ sudo touch /etc/dconf/db/local.d/locks/session
+
+Add the following line to the session locks file to prevent nonprivileged users from modifying the Ctrl-Alt-Del setting:
+
+/org/gnome/settings-daemon/plugins/media-keys/logout
+
+Run the following command to update the database:
+
+$ sudo dconf update</fixtext><fix id="F-61697r926082_fix" /><check system="C-61773r926081_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that users cannot enable the Ctrl-Alt-Del sequence in the GNOME desktop with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ grep logout /etc/dconf/db/local.d/locks/* 
+
+/org/gnome/settings-daemon/plugins/media-keys/logout
+
+If the output is not "/org/gnome/settings-daemon/plugins/media-keys/logout", the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258033"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258033r926086_rule" weight="10.0" severity="medium"><version>RHEL-09-271115</version><title>RHEL 9 must disable the user list at logon for graphical user interfaces.</title><description>&lt;VulnDiscussion&gt;Leaving the user list enabled is a security risk since it allows anyone with physical access to the system to enumerate known user accounts without authenticated access to the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61698r926085_fix">Configure RHEL 9 to disable the user list at logon for graphical user interfaces.
+
+Create a database to contain the system-wide screensaver settings (if it does not already exist) with the following command:
+Note: The example below is using the database "local" for the system, so if the system is using another database in "/etc/dconf/profile/user", the file should be created under the appropriate subdirectory.
+
+$ sudo touch /etc/dconf/db/local.d/02-login-screen
+
+[org/gnome/login-screen]
+disable-user-list=true
+
+Update the system databases:
+
+$ sudo dconf update</fixtext><fix id="F-61698r926085_fix" /><check system="C-61774r926084_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the user logon list for graphical user interfaces with the following command:
+
+Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.
+
+$ sudo gsettings get org.gnome.login-screen disable-user-list
+true
+
+If the setting is "false", this is a finding.</check-content></check></Rule></Group><Group id="V-258034"><title>SRG-OS-000114-GPOS-00059</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258034r926089_rule" weight="10.0" severity="medium"><version>RHEL-09-291010</version><title>RHEL 9 must be configured to disable USB mass storage.</title><description>&lt;VulnDiscussion&gt;USB mass storage permits easy introduction of unknown devices, thereby facilitating malicious activity.
+
+Satisfies: SRG-OS-000114-GPOS-00059, SRG-OS-000378-GPOS-00163, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000778</ident><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61699r926088_fix">To configure the system to prevent the usb-storage kernel module from being loaded, add the following line to the file  /etc/modprobe.d/usb-storage.conf (or create usb-storage.conf if it does not exist):
+
+install usb-storage /bin/false
+blacklist usb-storage</fixtext><fix id="F-61699r926088_fix" /><check system="C-61775r926087_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the USB Storage kernel module with the following command:
+
+$ sudo grep -r usb-storage /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist usb-storage
+
+If the command does not return any output, or the line is commented out, and use of USB Storage is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-258035"><title>SRG-OS-000378-GPOS-00163</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258035r926092_rule" weight="10.0" severity="medium"><version>RHEL-09-291015</version><title>RHEL 9 must have the USBGuard package installed.</title><description>&lt;VulnDiscussion&gt;The USBguard-daemon is the main component of the USBGuard software framework. It runs as a service in the background and enforces the USB device authorization policy for all USB devices. The policy is defined by a set of rules using a rule language described in the usbguard-rules.conf file. The policy and the authorization state of USB devices can be modified during runtime using the usbguard tool.
+
+The system administrator (SA) must work with the site information system security officer (ISSO) to determine a list of authorized peripherals and establish rules within the USBGuard software framework to allow only authorized devices.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61700r926091_fix">Install the usbguard package with the following command:
+
+$ sudo dnf install usbguard</fixtext><fix id="F-61700r926091_fix" /><check system="C-61776r926090_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify USBGuard is installed on the operating system with the following command:
+
+$ sudo dnf list installed usbguard
+
+Example output:
+
+Installed Packages
+usbguard.x86_64          1.0.0-10.el9_1.2          @rhel-9-for-x86_64-appstream-rpms
+
+If the USBGuard package is not installed, ask the SA to indicate how unauthorized peripherals are being blocked.
+
+If there is no evidence that unauthorized peripherals are being blocked before establishing a connection, this is a finding.</check-content></check></Rule></Group><Group id="V-258036"><title>SRG-OS-000378-GPOS-00163</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258036r926095_rule" weight="10.0" severity="medium"><version>RHEL-09-291020</version><title>RHEL 9 must have the USBGuard package enabled.</title><description>&lt;VulnDiscussion&gt;The USBguard-daemon is the main component of the USBGuard software framework. It runs as a service in the background and enforces the USB device authorization policy for all USB devices. The policy is defined by a set of rules using a rule language described in the usbguard-rules.conf file. The policy and the authorization state of USB devices can be modified during runtime using the usbguard tool.
+
+The system administrator (SA) must work with the site information system security officer (ISSO) to determine a list of authorized peripherals and establish rules within the USBGuard software framework to allow only authorized devices.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61701r926094_fix">To enable the USBGuard service run the following command:
+
+$ sudo systemctl enable --now usbguard</fixtext><fix id="F-61701r926094_fix" /><check system="C-61777r926093_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 has USBGuard enabled with the following command:
+
+$ systemctl is-active usbguard
+
+active
+
+If usbguard is not active, ask the SA to indicate how unauthorized peripherals are being blocked.
+
+If there is no evidence that unauthorized peripherals are being blocked before establishing a connection, this is a finding.</check-content></check></Rule></Group><Group id="V-258037"><title>SRG-OS-000062-GPOS-00031</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258037r926098_rule" weight="10.0" severity="low"><version>RHEL-09-291025</version><title>RHEL 9 must enable Linux audit logging for the USBGuard daemon.</title><description>&lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+The list of audited events is the set of events for which audits are to be generated. This set of events is typically a subset of the list of all events for which the system is capable of generating audit records.
+
+DOD has defined the list of events for which RHEL 9 will provide an audit record generation capability as the following:
+
+1) Successful and unsuccessful attempts to access, modify, or delete privileges, security objects, security levels, or categories of information (e.g., classification levels);
+
+2) Access actions, such as successful and unsuccessful logon attempts, privileged activities or other system-level access, starting and ending time for user access to the system, concurrent logons from different workstations, successful and unsuccessful accesses to objects, all program initiations, and all direct access to the information system;
+
+3) All account creations, modifications, disabling, and terminations; and 
+
+4) All kernel module load, unload, and restart actions.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000169</ident><fixtext fixref="F-61702r926097_fix">Configure RHEL 9 USBGuard AuditBackend to use the audit system.
+
+Add or edit the following line in /etc/usbguard/usbguard-daemon.conf 
+
+AuditBackend=LinuxAudit</fixtext><fix id="F-61702r926097_fix" /><check system="C-61778r926096_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>To verify that Linux Audit logging is enabled for the USBGuard daemon with the following command:
+
+$ sudo grep AuditBackend /etc/usbguard/usbguard-daemon.conf 
+
+AuditBackend=LinuxAudit 
+
+If "AuditBackend" is not set to "LinuxAudit", this is a finding.</check-content></check></Rule></Group><Group id="V-258038"><title>SRG-OS-000378-GPOS-00163</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258038r926101_rule" weight="10.0" severity="medium"><version>RHEL-09-291030</version><title>RHEL 9 must block unauthorized peripherals before establishing a connection.</title><description>&lt;VulnDiscussion&gt;The USBguard-daemon is the main component of the USBGuard software framework. It runs as a service in the background and enforces the USB device authorization policy for all USB devices. The policy is defined by a set of rules using a rule language described in the usbguard-rules.conf file. The policy and the authorization state of USB devices can be modified during runtime using the usbguard tool.
+
+The system administrator (SA) must work with the site information system security officer (ISSO) to determine a list of authorized peripherals and establish rules within the USBGuard software framework to allow only authorized devices.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001958</ident><fixtext fixref="F-61703r926100_fix">Configure the operating system to enable the blocking of unauthorized peripherals with the following command:
+
+Note: This command must be run from a root shell and will create an allow list for any usb devices currently connect to the system.
+
+# usbguard generate-policy --no-hash &gt; /etc/usbguard/rules.conf
+
+Note: Enabling and starting usbguard without properly configuring it for an individual system will immediately prevent any access over a usb device such as a keyboard or mouse.</fixtext><fix id="F-61703r926100_fix" /><check system="C-61779r926099_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the USBGuard has a policy configured with the following command:
+
+$ usbguard list-rules
+
+allow id 1d6b:0001 serial
+
+If the command does not return results or an error is returned, ask the SA to indicate how unauthorized peripherals are being blocked.
+
+If there is no evidence that unauthorized peripherals are being blocked before establishing a connection, this is a finding.</check-content></check></Rule></Group><Group id="V-258039"><title>SRG-OS-000095-GPOS-00049</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258039r926104_rule" weight="10.0" severity="medium"><version>RHEL-09-291035</version><title>RHEL 9 Bluetooth must be disabled.</title><description>&lt;VulnDiscussion&gt;This requirement applies to wireless peripheral technologies (e.g., wireless mice, keyboards, displays, etc.) used with RHEL 9 systems. Wireless peripherals (e.g., Wi-Fi/Bluetooth/IR keyboards, mice and pointing devices, and near field communications [NFC]) present a unique challenge by creating an open, unsecured port on a computer. Wireless peripherals must meet DOD requirements for wireless data transmission and be approved for use by the Authorizing Official (AO). Even though some wireless peripherals, such as mice and pointing devices, do not ordinarily carry information that need to be protected, modification of communications with these wireless peripherals may be used to compromise the RHEL 9 operating system.
+
+Satisfies: SRG-OS-000095-GPOS-00049, SRG-OS-000300-GPOS-00118&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000381</ident><ident system="http://cyber.mil/cci">CCI-001443</ident><fixtext fixref="F-61704r926103_fix">Configure RHEL 9 to disable the Bluetooth adapter when not in use.
+
+Create or modify the "/etc/modprobe.d/bluetooth.conf" file with the following line:
+
+install bluetooth /bin/false
+blacklist bluetooth
+
+Reboot the system for the settings to take effect.</fixtext><fix id="F-61704r926103_fix" /><check system="C-61780r926102_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 disables the ability to load the Bluetooth kernel module with the following command:
+
+$ sudo grep -r bluetooth /etc/modprobe.conf /etc/modprobe.d/* 
+
+blacklist bluetooth
+
+If the command does not return any output, or the line is commented out, and use of Bluetooth is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-258040"><title>SRG-OS-000299-GPOS-00117</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258040r926107_rule" weight="10.0" severity="medium"><version>RHEL-09-291040</version><title>RHEL 9 wireless network adapters must be disabled.</title><description>&lt;VulnDiscussion&gt;This requirement applies to wireless peripheral technologies (e.g., wireless mice, keyboards, displays, etc.) used with RHEL 9 systems. Wireless peripherals (e.g., Wi-Fi/Bluetooth/IR keyboards, mice and pointing devices, and near field communications [NFC]) present a unique challenge by creating an open, unsecured port on a computer. Wireless peripherals must meet DOD requirements for wireless data transmission and be approved for use by the Authorizing Official (AO). Even though some wireless peripherals, such as mice and pointing devices, do not ordinarily carry information that need to be protected, modification of communications with these wireless peripherals may be used to compromise the RHEL 9 operating system.
+
+Satisfies: SRG-OS-000299-GPOS-00117, SRG-OS-000300-GPOS-00118, SRG-OS-000424-GPOS-00188, SRG-OS-000481-GPOS-00481&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001443</ident><ident system="http://cyber.mil/cci">CCI-001444</ident><ident system="http://cyber.mil/cci">CCI-002418</ident><ident system="http://cyber.mil/cci">CCI-002421</ident><fixtext fixref="F-61705r926106_fix">Configure the system to disable all wireless network interfaces with the following command:
+
+$ nmcli radio all off</fixtext><fix id="F-61705r926106_fix" /><check system="C-61781r926105_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify there are no wireless interfaces configured on the system with the following command:
+
+Note: This requirement is Not Applicable for systems that do not have physical wireless network radios.
+
+$ nmcli device status
+
+DEVICE                    TYPE            STATE                    CONNECTION
+virbr0                      bridge         connected             virbr0
+wlp7s0                    wifi              connected            wifiSSID
+enp6s0                    ethernet     disconnected        --
+p2p-dev-wlp7s0     wifi-p2p     disconnected        --
+lo                             loopback    unmanaged           --
+virbr0-nic                tun              unmanaged          --
+
+If a wireless interface is configured and has not been documented and approved by the information system security officer (ISSO), this is a finding.</check-content></check></Rule></Group><Group id="V-258041"><title>SRG-OS-000076-GPOS-00044</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258041r926110_rule" weight="10.0" severity="medium"><version>RHEL-09-411010</version><title>RHEL 9 user account passwords for new users or password changes must have a 60-day maximum password lifetime restriction in /etc/login.defs.</title><description>&lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked; therefore, passwords need to be changed periodically. If the operating system does not limit the lifetime of passwords and force users to change their passwords, there is the risk that the operating system passwords could be compromised.
+
+Setting the password maximum age ensures users are required to periodically change their passwords. Requiring shorter password lifetimes increases the risk of users writing down the password in a convenient location subject to physical compromise.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000199</ident><fixtext fixref="F-61706r926109_fix">Configure RHEL 9 to enforce a 60-day maximum password lifetime.
+
+Add or modify the following line in the "/etc/login.defs" file:
+
+PASS_MAX_DAYS 60</fixtext><fix id="F-61706r926109_fix" /><check system="C-61782r926108_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces a 60-day maximum password lifetime for new user accounts by running the following command:
+
+$ grep -i pass_max_days /etc/login.defs
+
+PASS_MAX_DAYS 60
+
+If the "PASS_MAX_DAYS" parameter value is greater than "60", or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258042"><title>SRG-OS-000076-GPOS-00044</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258042r926113_rule" weight="10.0" severity="medium"><version>RHEL-09-411015</version><title>RHEL 9 user account passwords must have a 60-day maximum password lifetime restriction.</title><description>&lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked; therefore, passwords need to be changed periodically. If RHEL 9 does not limit the lifetime of passwords and force users to change their passwords, there is the risk that RHEL 9 passwords could be compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000199</ident><fixtext fixref="F-61707r926112_fix">Configure noncompliant accounts to enforce a 60-day maximum password lifetime restriction.
+
+passwd -x 60 [user]</fixtext><fix id="F-61707r926112_fix" /><check system="C-61783r926111_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Check whether the maximum time period for existing passwords is restricted to 60 days with the following commands:
+
+$ sudo awk -F: '$5 &gt; 60 {print $1 "" "" $5}' /etc/shadow
+
+$ sudo awk -F: '$5 &lt;= 0 {print $1 "" "" $5}' /etc/shadow
+
+If any results are returned that are not associated with a system account, this is a finding.</check-content></check></Rule></Group><Group id="V-258043"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258043r926116_rule" weight="10.0" severity="medium"><version>RHEL-09-411020</version><title>All RHEL 9 local interactive user accounts must be assigned a home directory upon creation.</title><description>&lt;VulnDiscussion&gt;If local interactive users are not assigned a valid home directory, there is no place for the storage and control of files they should own.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61708r926115_fix">Configure RHEL 9 to assign home directories to all new local interactive users by setting the "CREATE_HOME" parameter in "/etc/login.defs" to "yes" as follows.
+
+CREATE_HOME yes</fixtext><fix id="F-61708r926115_fix" /><check system="C-61784r926114_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify all local interactive users on RHEL 9 are assigned a home directory upon creation with the following command:
+
+$ grep -i create_home /etc/login.defs
+
+CREATE_HOME yes
+
+If the value for "CREATE_HOME" parameter is not set to "yes", the line is missing, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258044"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258044r926119_rule" weight="10.0" severity="medium"><version>RHEL-09-411025</version><title>RHEL 9 must set the umask value to 077 for all local interactive user accounts.</title><description>&lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or less permissive. Although umask can be represented as a four-digit number, the first digit representing special access modes is typically ignored or required to be "0". This requirement applies to the globally configured system defaults and the local interactive user defaults for each account on the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61709r926118_fix">Remove the umask statement from all local interactive user's initialization files. 
+
+If the account is for an application, the requirement for a umask less restrictive than "077" can be documented with the information system security officer, but the user agreement for access to the account must specify that the local interactive user must log on to their account first and then switch the user to the application account with the correct option to gain the account's environment variables.</fixtext><fix id="F-61709r926118_fix" /><check system="C-61785r926117_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the default umask for all local interactive users is "077".
+
+Identify the locations of all local interactive user home directories by looking at the "/etc/passwd" file.
+
+Check all local interactive user initialization files for interactive users with the following command:
+
+Note: The example is for a system that is configured to create users home directories in the "/home" directory.
+
+# grep -ri umask /home/
+
+/home/wadea/.bash_history:grep -i umask /etc/bashrc /etc/csh.cshrc /etc/profile
+/home/wadea/.bash_history:grep -i umask /etc/login.defs
+
+If any local interactive user initialization files are found to have a umask statement that sets a value less restrictive than "077", this is a finding.</check-content></check></Rule></Group><Group id="V-258045"><title>SRG-OS-000104-GPOS-00051</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258045r926122_rule" weight="10.0" severity="medium"><version>RHEL-09-411030</version><title>RHEL 9 duplicate User IDs (UIDs) must not exist for interactive users.</title><description>&lt;VulnDiscussion&gt;To ensure accountability and prevent unauthenticated access, interactive users must be identified and authenticated to prevent potential misuse and compromise of the system.
+
+Satisfies: SRG-OS-000104-GPOS-00051, SRG-OS-000121-GPOS-00062, SRG-OS-000042-GPOS-00020&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000764</ident><ident system="http://cyber.mil/cci">CCI-000804</ident><fixtext fixref="F-61710r926121_fix">Edit the file "/etc/passwd" and provide each interactive user account that has a duplicate UID with a unique UID.</fixtext><fix id="F-61710r926121_fix" /><check system="C-61786r926120_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 contains no duplicate UIDs for interactive users with the following command:
+
+$ sudo awk -F ":" 'list[$3]++{print $1, $3}' /etc/passwd 
+
+If output is produced and the accounts listed are interactive user accounts, this is a finding.</check-content></check></Rule></Group><Group id="V-258046"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258046r926125_rule" weight="10.0" severity="medium"><version>RHEL-09-411035</version><title>RHEL 9 system accounts must not have an interactive login shell.</title><description>&lt;VulnDiscussion&gt;Ensuring shells are not given to system accounts upon login makes it more difficult for attackers to make use of system accounts.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61711r926124_fix">Configure RHEL 9 so that all noninteractive accounts on the system do not have an interactive shell assigned to them.
+
+If the system account needs a shell assigned for mission operations, document the need with the information system security officer (ISSO).
+
+Run the following command to disable the interactive shell for a specific noninteractive user account:
+
+Replace &lt;user&gt; with the user that has a login shell.
+
+$ sudo usermod --shell /sbin/nologin &lt;user&gt;
+
+Do not perform the steps in this section on the root account. Doing so will cause the system to become inaccessible.</fixtext><fix id="F-61711r926124_fix" /><check system="C-61787r926123_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that system accounts must not have an interactive login shell with the following command:
+
+$ awk -F: '($3&lt;1000){print $1 ":" $3 ":" $7}' /etc/passwd
+
+root:0:/bin/bash
+bin:1:/sbin/nologin
+daemon:2:/sbin/nologin
+adm:3:/sbin/nologin
+lp:4:/sbin/nologin
+
+Identify the system accounts from this listing that do not have a nologin shell.
+
+If any system account (other than the root account) has a login shell and it is not documented with the information system security officer (ISSO), this is a finding.</check-content></check></Rule></Group><Group id="V-258047"><title>SRG-OS-000123-GPOS-00064</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258047r926128_rule" weight="10.0" severity="medium"><version>RHEL-09-411040</version><title>RHEL 9 must automatically expire temporary accounts within 72 hours.</title><description>&lt;VulnDiscussion&gt;Temporary accounts are privileged or nonprivileged accounts that are established during pressing circumstances, such as new software or hardware configuration or an incident response, where the need for prompt account activation requires bypassing normal account authorization procedures. If any inactive temporary accounts are left enabled on the system and are not either manually removed or automatically expired within 72 hours, the security posture of the system will be degraded and exposed to exploitation by unauthorized users or insider threat actors.
+
+Temporary accounts are different from emergency accounts. Emergency accounts, also known as "last resort" or "break glass" accounts, are local logon accounts enabled on the system for emergency use by authorized system administrators to manage a system when standard logon methods are failing or not available. Emergency accounts are not subject to manual removal or scheduled expiration requirements.
+
+The automatic expiration of temporary accounts may be extended as needed by the circumstances but it must not be extended indefinitely. A documented permanent account should be established for privileged users who need long-term maintenance accounts.
+
+Satisfies: SRG-OS-000123-GPOS-00064, SRG-OS-000002-GPOS-00002&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000016</ident><ident system="http://cyber.mil/cci">CCI-001682</ident><fixtext fixref="F-61712r926127_fix">Configure the operating system to expire temporary accounts after 72 hours with the following command:
+
+$ sudo chage -E $(date -d +3days +%Y-%m-%d) &lt;temporary_account_name&gt;</fixtext><fix id="F-61712r926127_fix" /><check system="C-61788r926126_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify temporary accounts have been provisioned with an expiration date of 72 hours.
+
+For every existing temporary account, run the following command to obtain its account expiration information:
+
+$ sudo chage -l &lt;temporary_account_name&gt; | grep -i "account expires"
+
+Verify each of these accounts has an expiration date set within 72 hours. 
+
+If any temporary accounts have no expiration date set or do not expire within 72 hours, this is a finding.</check-content></check></Rule></Group><Group id="V-258048"><title>SRG-OS-000104-GPOS-00051</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258048r926131_rule" weight="10.0" severity="medium"><version>RHEL-09-411045</version><title>All RHEL 9 interactive users must have a primary group that exists.</title><description>&lt;VulnDiscussion&gt;If a user is assigned the Group Identifier (GID) of a group that does not exist on the system, and a group with the GID is subsequently created, the user may have unintended rights to any files associated with the group.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000764</ident><fixtext fixref="F-61713r926130_fix">Configure the system so that all GIDs are referenced in "/etc/passwd" are defined in "/etc/group".
+
+Edit the file "/etc/passwd" and ensure that every user's GID is a valid GID.</fixtext><fix id="F-61713r926130_fix" /><check system="C-61789r926129_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that all RHEL 9 interactive users have a valid GID.
+
+Check that the interactive users have a valid GID with the following command:
+ 
+$ sudo pwck -qr 
+ 
+If the system has any interactive users with duplicate GIDs, this is a finding.</check-content></check></Rule></Group><Group id="V-258049"><title>SRG-OS-000118-GPOS-00060</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258049r926134_rule" weight="10.0" severity="medium"><version>RHEL-09-411050</version><title>RHEL 9 must disable account identifiers (individuals, groups, roles, and devices) after 35 days of inactivity.</title><description>&lt;VulnDiscussion&gt;Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potentially obtain undetected access to the system.
+
+Disabling inactive accounts ensures that accounts which may not have been responsibly removed are not available to attackers who may have compromised their credentials.
+
+Owners of inactive accounts will not notice if unauthorized access to their user account has been obtained.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000795</ident><fixtext fixref="F-61714r926133_fix">Configure RHEL 9 to disable account identifiers after 35 days of inactivity after the password expiration. 
+
+Run the following command to change the configuration for useradd:
+
+$ sudo useradd -D -f 35
+
+The recommendation is 35 days, but a lower value is acceptable.</fixtext><fix id="F-61714r926133_fix" /><check system="C-61790r926132_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 account identifiers (individuals, groups, roles, and devices) are disabled after 35 days of inactivity with the following command:
+
+Check the account inactivity value by performing the following command:
+
+$ sudo grep -i inactive /etc/default/useradd
+
+INACTIVE=35
+
+If "INACTIVE" is set to "-1", a value greater than "35", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258050"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258050r926137_rule" weight="10.0" severity="medium"><version>RHEL-09-411055</version><title>Executable search paths within the initialization files of all local interactive RHEL 9 users must only contain paths that resolve to the system default or the users home directory.</title><description>&lt;VulnDiscussion&gt;The executable search path (typically the PATH environment variable) contains a list of directories for the shell to search to find executables. If this path includes the current working directory (other than the users home directory), executables in these directories may be executed instead of system commands.
+
+This variable is formatted as a colon-separated list of directories. If there is an empty entry, such as a leading or trailing colon or two consecutive colons, this is interpreted as the current working directory. If deviations from the default system search path for the local interactive user are required, they must be documented with the information system security officer (ISSO).&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61715r926136_fix">Edit the local interactive user initialization files to change any PATH variable statements that reference directories other than their home directory.
+
+If a local interactive user requires path variables to reference a directory owned by the application, it must be documented with the ISSO.</fixtext><fix id="F-61715r926136_fix" /><check system="C-61791r926135_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that all local interactive user initialization file executable search path statements do not contain statements that will reference a working directory other than user home directories with the following commands:
+
+$ sudo grep -i path= /home/*/.*
+
+/home/[localinteractiveuser]/.bash_profile:PATH=$PATH:$HOME/.local/bin:$HOME/bin
+
+If any local interactive user initialization files have executable search path statements that include directories outside of their home directory and is not documented with the ISSO as an operational requirement, this is a finding.</check-content></check></Rule></Group><Group id="V-258051"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258051r926140_rule" weight="10.0" severity="medium"><version>RHEL-09-411060</version><title>All RHEL 9 local interactive users must have a home directory assigned in the /etc/passwd file.</title><description>&lt;VulnDiscussion&gt;If local interactive users are not assigned a valid home directory, there is no place for the storage and control of files they should own.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61716r926139_fix">Create and assign home directories to all local interactive users on RHEL 9 that currently do not have a home directory assigned.</fixtext><fix id="F-61716r926139_fix" /><check system="C-61792r926138_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that interactive users on the system have a home directory assigned with the following command:
+ 
+$ sudo awk -F: '($3&gt;=1000)&amp;&amp;($7 !~ /nologin/){print $1, $3, $6}' /etc/passwd
+
+smithk:x:1000:1000:smithk:/home/smithk:/bin/bash
+scsaustin:x:1001:1001:scsaustin:/home/scsaustin:/bin/bash
+djohnson:x:1002:1002:djohnson:/home/djohnson:/bin/bash
+
+Inspect the output and verify that all interactive users (normally users with a user identifier (UID) greater that 1000) have a home directory defined.
+
+If users home directory is not defined, this is a finding.</check-content></check></Rule></Group><Group id="V-258052"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258052r926143_rule" weight="10.0" severity="medium"><version>RHEL-09-411065</version><title>All RHEL 9 local interactive user home directories defined in the /etc/passwd file must exist.</title><description>&lt;VulnDiscussion&gt;If a local interactive user has a home directory defined that does not exist, the user may be given access to the / directory as the current working directory upon logon. This could create a denial of service because the user would not be able to access their logon configuration files, and it may give them visibility to system files they normally would not be able to access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61717r926142_fix">Create home directories to all local interactive users that currently do not have a home directory assigned. Use the following commands to create the user home directory assigned in "/etc/ passwd":
+
+Note: The example will be for the user wadea, who has a home directory of "/home/wadea", a user identifier (UID) of "wadea", and a Group Identifier (GID) of "users assigned" in "/etc/passwd".
+
+$ sudo mkdir /home/wadea 
+$ sudo chown wadea /home/wadea
+$ sudo chgrp users /home/wadea
+$ sudo chmod 0750 /home/wadea</fixtext><fix id="F-61717r926142_fix" /><check system="C-61793r926141_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the assigned home directories of all interactive users on the system exist with the following command:
+
+$ sudo pwck -r 
+
+user 'mailnull': directory 'var/spool/mqueue' does not exist
+
+The output should not return any interactive users.
+
+If users home directory does not exist, this is a finding.</check-content></check></Rule></Group><Group id="V-258053"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258053r926146_rule" weight="10.0" severity="medium"><version>RHEL-09-411070</version><title>All RHEL 9 local interactive user home directories must be group-owned by the home directory owner's primary group.</title><description>&lt;VulnDiscussion&gt;If the Group Identifier (GID) of a local interactive users home directory is not the same as the primary GID of the user, this would allow unauthorized access to the users files, and users that share the same group may not be able to access files that they legitimately should.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61718r926145_fix">Change the group owner of a local interactive user's home directory to the group found in "/etc/passwd". To change the group owner of a local interactive user's home directory, use the following command:
+
+Note: The example will be for the user "wadea", who has a home directory of "/home/wadea", and has a primary group of users.
+
+$ sudo chgrp users /home/wadea</fixtext><fix id="F-61718r926145_fix" /><check system="C-61794r926144_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the assigned home directory of all local interactive users is group-owned by that user's primary GID with the following command:
+
+Note: This may miss local interactive users that have been assigned a privileged user identifier (UID). Evidence of interactive use may be obtained from a number of log files containing system logon information. The returned directory "/home/wadea" is used as an example.
+
+$ sudo ls -ld $(awk -F: '($3&gt;=1000)&amp;&amp;($7 !~ /nologin/){print $6}' /etc/passwd)
+
+drwxr-x--- 2 wadea admin 4096 Jun 5 12:41 wadea
+
+Check the user's primary group with the following command:
+
+$ sudo grep $(grep wadea /etc/passwd | awk -F: ‘{print $4}') /etc/group
+
+admin:x:250:wadea,jonesj,jacksons
+
+If the user home directory referenced in "/etc/passwd" is not group-owned by that user's primary GID, this is a finding.</check-content></check></Rule></Group><Group id="V-258054"><title>SRG-OS-000329-GPOS-00128</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258054r926149_rule" weight="10.0" severity="medium"><version>RHEL-09-411075</version><title>RHEL 9 must automatically lock an account when three unsuccessful logon attempts occur.</title><description>&lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by locking the account.
+
+Satisfies: SRG-OS-000329-GPOS-00128, SRG-OS-000021-GPOS-00005&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><ident system="http://cyber.mil/cci">CCI-002238</ident><fixtext fixref="F-61719r926148_fix">Configure RHEL 9 to lock an account when three unsuccessful logon attempts occur.
+
+Add/modify the "/etc/security/faillock.conf" file to match the following line:
+
+deny = 3</fixtext><fix id="F-61719r926148_fix" /><check system="C-61795r926147_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to lock an account after three unsuccessful logon attempts with the command:
+
+$ grep 'deny =' /etc/security/faillock.conf
+
+deny = 3
+
+If the "deny" option is not set to "3" or less (but not "0"), is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258055"><title>SRG-OS-000329-GPOS-00128</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258055r926152_rule" weight="10.0" severity="medium"><version>RHEL-09-411080</version><title>RHEL 9 must automatically lock the root account until the root account is released by an administrator when three unsuccessful logon attempts occur during a 15-minute time period.</title><description>&lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, also known as brute-forcing, is reduced. Limits are imposed by locking the account.
+
+Satisfies: SRG-OS-000329-GPOS-00128, SRG-OS-000021-GPOS-00005&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><ident system="http://cyber.mil/cci">CCI-002238</ident><fixtext fixref="F-61720r926151_fix">Configure RHEL 9 to lock out the "root" account after a number of incorrect login attempts using "pam_faillock.so", first enable the feature using the following command:
+ 
+$ sudo authselect enable-feature with-faillock  
+
+ Then edit the "/etc/security/faillock.conf" file as follows:
+ 
+  add or uncomment the following line:
+ even_deny_root</fixtext><fix id="F-61720r926151_fix" /><check system="C-61796r926150_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to lock the root account after three unsuccessful logon attempts with the command:
+
+$ grep even_deny_root /etc/security/faillock.conf
+
+even_deny_root
+
+If the "even_deny_root" option is not set, is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258056"><title>SRG-OS-000329-GPOS-00128</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258056r926155_rule" weight="10.0" severity="medium"><version>RHEL-09-411085</version><title>RHEL 9 must automatically lock an account when three unsuccessful logon attempts occur during a 15-minute time period.</title><description>&lt;VulnDiscussion&gt;By limiting the number of failed logon attempts the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.
+
+Satisfies: SRG-OS-000329-GPOS-00128, SRG-OS-000021-GPOS-00005&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><ident system="http://cyber.mil/cci">CCI-002238</ident><fixtext fixref="F-61721r926154_fix">To configure RHEL 9 to lock out the "root" account after a number of incorrect login attempts within 15 minutes using "pam_faillock.so", enable the feature using the following command:
+ 
+$ authselect enable-feature with-faillock  
+
+Then edit the "/etc/security/faillock.conf" file as follows:
+
+fail_interval = 900</fixtext><fix id="F-61721r926154_fix" /><check system="C-61797r926153_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 locks an account after three unsuccessful logon attempts within a period of 15 minutes with the following command:
+
+Note: If the system administrator demonstrates the use of an approved centralized account management method that locks an account after three unsuccessful logon attempts within a period of 15 minutes, this requirement is Not Applicable.
+
+$ grep fail_interval /etc/security/faillock.conf 
+
+fail_interval = 900
+
+If the "fail_interval" option is not set to "900" or less (but not "0"), the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258057"><title>SRG-OS-000329-GPOS-00128</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258057r926158_rule" weight="10.0" severity="medium"><version>RHEL-09-411090</version><title>RHEL 9 must maintain an account lock until the locked account is released by an administrator.</title><description>&lt;VulnDiscussion&gt;By limiting the number of failed logon attempts the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the account.
+
+Satisfies: SRG-OS-000329-GPOS-00128, SRG-OS-000021-GPOS-00005&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><ident system="http://cyber.mil/cci">CCI-002238</ident><fixtext fixref="F-61722r926157_fix">Configure RHEL 9 to lock an account until released by an administrator after three unsuccessful logon attempts with the command:
+ 
+$ authselect enable-feature with-faillock  
+
+Then edit the "/etc/security/faillock.conf" file as follows:
+
+unlock_time = 0</fixtext><fix id="F-61722r926157_fix" /><check system="C-61798r926156_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to lock an account until released by an administrator after three unsuccessful logon attempts with the command:
+
+$ grep 'unlock_time =' /etc/security/faillock.conf
+
+unlock_time = 0
+
+If the "unlock_time" option is not set to "0", the line is missing, or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258058"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258058r926161_rule" weight="10.0" severity="medium"><version>RHEL-09-411095</version><title>RHEL 9 must not have unauthorized accounts.</title><description>&lt;VulnDiscussion&gt;Accounts providing no operational purpose provide additional opportunities for system compromise. Unnecessary accounts include user accounts for individuals not requiring access to the system and application accounts for applications not installed on the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61723r926160_fix">Remove unauthorized local interactive user accounts with the following command where &lt;unauthorized_user&gt; is the unauthorized account:
+
+$ sudo userdel  &lt;unauthorized_user&gt;</fixtext><fix id="F-61723r926160_fix" /><check system="C-61799r926159_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that there are no unauthorized interactive user accounts with the following command:
+
+$ less /etc/passwd  
+
+root:x:0:0:root:/root:/bin/bash
+...
+games:x:12:100:games:/usr/games:/sbin/nologin
+scsaustin:x:1001:1001:scsaustin:/home/scsaustin:/bin/bash
+djohnson:x:1002:1002:djohnson:/home/djohnson:/bin/bash
+
+Interactive user account, generally will have a user identifier (UID) of 1000 or greater, a home directory in a specific partition, and an interactive shell.
+
+Obtain the list of interactive user accounts authorized to be on the system from the system administrator or information system security officer (ISSO) and compare it to the list of local interactive user accounts on the system.
+
+If there are unauthorized local user accounts on the system, this is a finding.</check-content></check></Rule></Group><Group id="V-258059"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258059r926164_rule" weight="10.0" severity="high"><version>RHEL-09-411100</version><title>The root account must be the only account having unrestricted access to RHEL 9 system.</title><description>&lt;VulnDiscussion&gt;An account has root authority if it has a user identifier (UID) of "0". Multiple accounts with a UID of "0" afford more opportunity for potential intruders to guess a password for a privileged account. Proper configuration of sudo is recommended to afford multiple system administrators access to root privileges in an accountable manner.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61724r926163_fix">Change the UID of any account on the system, other than root, that has a UID of "0". 
+
+If the account is associated with system commands or applications, the UID should be changed to one greater than "0" but less than "1000". Otherwise, assign a UID of greater than "1000" that has not already been assigned.</fixtext><fix id="F-61724r926163_fix" /><check system="C-61800r926162_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that only the "root" account has a UID "0" assignment with the following command:
+
+$ awk -F: '$3 == 0 {print $1}' /etc/passwd
+
+root
+
+If any accounts other than "root" have a UID of "0", this is a finding.</check-content></check></Rule></Group><Group id="V-258060"><title>SRG-OS-000021-GPOS-00005</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258060r926167_rule" weight="10.0" severity="medium"><version>RHEL-09-411105</version><title>RHEL 9 must ensure account lockouts persist.</title><description>&lt;VulnDiscussion&gt;Having lockouts persist across reboots ensures that account is only unlocked by an administrator. If the lockouts did not persist across reboots, an attacker could simply reboot the system to continue brute force attacks against the accounts on the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><fixtext fixref="F-61725r926166_fix">Configure RHEL 9 maintain the contents of the faillock directory after a reboot.
+
+Add/modify the "/etc/security/faillock.conf" file to match the following line:
+
+dir = /var/log/faillock</fixtext><fix id="F-61725r926166_fix" /><check system="C-61801r926165_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/etc/security/faillock.conf" file is configured use a nondefault faillock directory to ensure contents persist after reboot with the following command:
+
+$ grep 'dir =' /etc/security/faillock.conf
+
+dir = /var/log/faillock
+
+If the "dir" option is not set to a nondefault documented tally log directory, is missing or commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258061"><title>SRG-OS-000104-GPOS-00051</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258061r926170_rule" weight="10.0" severity="medium"><version>RHEL-09-411110</version><title>RHEL 9 groups must have unique Group ID (GID).</title><description>&lt;VulnDiscussion&gt;To ensure accountability and prevent unauthenticated access, groups must be identified uniquely to prevent potential misuse and compromise of the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000764</ident><fixtext fixref="F-61726r926169_fix">Edit the file "/etc/group" and provide each group that has a duplicate GID with a unique GID.</fixtext><fix id="F-61726r926169_fix" /><check system="C-61802r926168_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 contains no duplicate GIDs for interactive users with the following command:
+ 
+ $  cut -d : -f 3 /etc/group | uniq -d
+ 
+If the system has duplicate GIDs, this is a finding.</check-content></check></Rule></Group><Group id="V-258062"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258062r926173_rule" weight="10.0" severity="medium"><version>RHEL-09-411115</version><title>Local RHEL 9 initialization files must not execute world-writable programs.</title><description>&lt;VulnDiscussion&gt;If user start-up files execute world-writable programs, especially in unprotected directories, they could be maliciously modified to destroy user files or otherwise compromise the system at the user level. If the system is compromised at the user level, it is easier to elevate privileges to eventually compromise the system at the root and network level.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61727r926172_fix">Set the mode on files being executed by the local initialization files with the following command:
+
+$ sudo chmod 0755 &lt;file&gt;</fixtext><fix id="F-61727r926172_fix" /><check system="C-61803r926171_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that local initialization files do not execute world-writable programs with the following command:
+
+Note: The example will be for a system that is configured to create user home directories in the "/home" directory.
+
+$ sudo find /home -perm -002 -type f -name ".[^.]*" -exec ls -ld {} \; 
+
+If any local initialization files are found to reference world-writable files, this is a finding.</check-content></check></Rule></Group><Group id="V-258063"><title>SRG-OS-000030-GPOS-00011</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258063r926176_rule" weight="10.0" severity="medium"><version>RHEL-09-412010</version><title>RHEL 9 must have the tmux package installed.</title><description>&lt;VulnDiscussion&gt;Tmux is a terminal multiplexer that enables a number of terminals to be created, accessed, and controlled from a single screen. Red Hat endorses tmux as the recommended session controlling package.
+
+Satisfies: SRG-OS-000030-GPOS-00011, SRG-OS-000028-GPOS-00009&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-000058</ident><fixtext fixref="F-61728r926175_fix">The tmux package can be installed with the following command:
+ 
+$ sudo dnf install tmux</fixtext><fix id="F-61728r926175_fix" /><check system="C-61804r926174_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the tmux package installed with the following command:
+
+$ sudo dnf list --installed tmux
+
+Example output:
+
+tmux.x86_64          3.2a-4.el9
+
+If the "tmux" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258064"><title>SRG-OS-000031-GPOS-00012</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258064r926179_rule" weight="10.0" severity="medium"><version>RHEL-09-412015</version><title>RHEL 9 must ensure session control is automatically started at shell initialization.</title><description>&lt;VulnDiscussion&gt;Tmux is a terminal multiplexer that enables a number of terminals to be created, accessed, and controlled from a single screen. Red Hat endorses tmux as the recommended session controlling package.
+
+Satisfies: SRG-OS-000031-GPOS-00012, SRG-OS-000028-GPOS-00009&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-000060</ident><fixtext fixref="F-61729r926178_fix">Configure RHEL 9 to initialize the tmux terminal multiplexer as each shell is called by adding the following to file "/etc/profile.d/tmux.sh":
+
+if [ "$PS1" ]; then
+    parent=$(ps -o ppid= -p $$)
+    name=$(ps -o comm= -p $parent)
+    case "$name" in sshd|login) tmux ;; esac
+fi</fixtext><fix id="F-61729r926178_fix" /><check system="C-61805r926177_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 shell initialization file is configured to start each shell with the tmux terminal multiplexer.
+
+Determine the location of the tmux script with the following command:
+
+$ sudo grep tmux /etc/bashrc /etc/profile.d/*
+
+/etc/profile.d/tmux.sh:  case "$name" in (sshd|login) exec tmux ;; esac
+
+Review the tmux script by using the following example:
+
+$ cat /etc/profile.d/tmux.sh
+
+If [ "$PS1" ]; then
+parent=$(ps -o ppid= -p $$)
+name=$(ps -o comm= -p $parent)
+case "$name" in (sshd|login) tmux ;; esac
+fi
+
+If the shell file is not configured as the example above, is commented out, or is missing, this is a finding.
+
+Determine if tmux is currently running with the following command:
+
+$ sudo ps all | grep tmux | grep -v grep
+
+If the command does not produce output, this is a finding.</check-content></check></Rule></Group><Group id="V-258065"><title>SRG-OS-000028-GPOS-00009</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258065r926182_rule" weight="10.0" severity="medium"><version>RHEL-09-412020</version><title>RHEL 9 must enable a user session lock until that user re-establishes access using established identification and authentication procedures for command line sessions.</title><description>&lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence.
+
+The session lock is implemented at the point where session activity can be determined. Rather than be forced to wait for a period of time to expire before the user session can be locked, RHEL 9 must provide users with the ability to manually invoke a session lock so users can secure their session if it is necessary to temporarily vacate the immediate physical vicinity.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><fixtext fixref="F-61730r926181_fix">Configure RHEL 9 to enable a user to manually initiate a session lock via tmux. This configuration binds the uppercase letter "X" to manually initiate a session lock after the prefix key "Ctrl + b" has been sent. The complete key sequence is thus "Ctrl + b" then "Shift + x" to lock tmux.
+
+Create a global configuration file "/etc/tmux.conf" and add the following lines:
+
+set -g lock-command vlock
+bind X lock-session
+
+Reload tmux configuration to take effect. This can be performed in tmux while it is running:
+
+$ tmux source-file /etc/tmux.conf</fixtext><fix id="F-61730r926181_fix" /><check system="C-61806r926180_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enables the user to initiate a session lock with the following command:
+
+$ sudo grep -Ei 'lock-command|lock-session' /etc/tmux.conf
+
+set -g lock-command vlock
+bind X lock-session
+
+If the "lock-command" is not set and "lock-session" is not bound to a specific keyboard key in the global settings, this is a finding.</check-content></check></Rule></Group><Group id="V-258066"><title>SRG-OS-000029-GPOS-00010</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258066r926185_rule" weight="10.0" severity="medium"><version>RHEL-09-412025</version><title>RHEL 9 must automatically lock command line user sessions after 15 minutes of inactivity.</title><description>&lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not logout because of the temporary nature of the absence. Rather than relying on the user to manually lock their operating system session prior to vacating the vicinity, tmux can be configured to identify when a user's session has idled and take action to initiate a session lock.
+
+Satisfies: SRG-OS-000029-GPOS-00010, SRG-OS-000031-GPOS-00012&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><ident system="http://cyber.mil/cci">CCI-000060</ident><fixtext fixref="F-61731r926184_fix">Configure RHEL 9 to enforce session lock after a period of 15 minutes of inactivity by adding the following line to the "/etc/tmux.conf" global configuration file:
+
+set -g lock-after-time 900</fixtext><fix id="F-61731r926184_fix" /><check system="C-61807r926183_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 initiates a session lock after 15 minutes of inactivity.
+
+Check the value of the system inactivity timeout with the following command:
+
+$ grep -i lock-after-time /etc/tmux.conf
+
+set -g lock-after-time 900
+
+If "lock-after-time" is not set to "900" or less in the global tmux configuration file to enforce session lock after inactivity, this is a finding.</check-content></check></Rule></Group><Group id="V-258067"><title>SRG-OS-000324-GPOS-00125</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258067r926188_rule" weight="10.0" severity="low"><version>RHEL-09-412030</version><title>RHEL 9 must prevent users from disabling session control mechanisms.</title><description>&lt;VulnDiscussion&gt;The session lock is implemented at the point where session activity can be determined. Rather than be forced to wait for a period of time to expire before the user session can be locked, RHEL 9 must provide users with the ability to manually invoke a session lock so users can secure their session if it is necessary to temporarily vacate the immediate physical vicinity.
+
+Satisfies: SRG-OS-000324-GPOS-00125, SRG-OS-000028-GPOS-00009&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000056</ident><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61732r926187_fix">Configure RHEL 9 to prevent users from disabling the tmux terminal multiplexer by editing the "/etc/shells" configuration file to remove any instances of tmux.</fixtext><fix id="F-61732r926187_fix" /><check system="C-61808r926186_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents users from disabling the tmux terminal multiplexer with the following command:
+
+$ grep -i tmux /etc/shells
+
+If any output is produced, this is a finding.</check-content></check></Rule></Group><Group id="V-258068"><title>SRG-OS-000163-GPOS-00072</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258068r926191_rule" weight="10.0" severity="medium"><version>RHEL-09-412035</version><title>RHEL 9 must automatically exit interactive command shell user sessions after 15 minutes of inactivity.</title><description>&lt;VulnDiscussion&gt;Terminating an idle interactive command shell user session within a short time period reduces the window of opportunity for unauthorized personnel to take control of it when left unattended in a virtual terminal or physical console.
+
+Satisfies: SRG-OS-000163-GPOS-00072, SRG-OS-000029-GPOS-00010&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000057</ident><ident system="http://cyber.mil/cci">CCI-001133</ident><fixtext fixref="F-61733r926190_fix">Configure RHEL 9 to exit interactive command shell user sessions after 15 minutes of inactivity.
+
+Add or edit the following line in "/etc/profile.d/tmout.sh":
+
+#!/bin/bash
+
+declare -xr TMOUT=900</fixtext><fix id="F-61733r926190_fix" /><check system="C-61809r926189_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to exit interactive command shell user sessions after 15 minutes of inactivity or less with the following command:
+
+$ sudo grep -i tmout /etc/profile /etc/profile.d/*.sh
+
+/etc/profile.d/tmout.sh:declare -xr TMOUT=900
+
+If "TMOUT" is not set to "900" or less in a script located in the "/etc/'profile.d/ directory, is missing or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258069"><title>SRG-OS-000027-GPOS-00008</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258069r926194_rule" weight="10.0" severity="low"><version>RHEL-09-412040</version><title>RHEL 9 must limit the number of concurrent sessions to ten for all accounts and/or account types.</title><description>&lt;VulnDiscussion&gt;Operating system management includes the ability to control the number of users and user sessions that utilize an operating system. Limiting the number of allowed users and sessions per user is helpful in reducing the risks related to denial-of-service (DoS) attacks.
+
+This requirement addresses concurrent sessions for information system accounts and does not address concurrent sessions by single users via multiple system accounts. The maximum number of concurrent sessions must be defined based on mission needs and the operational environment for each system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000054</ident><fixtext fixref="F-61734r926193_fix">Configure RHEL 9 to limit the number of concurrent sessions to "10" for all accounts and/or account types.
+
+Add the following line to the top of the /etc/security/limits.conf or in a ".conf" file defined in /etc/security/limits.d/:
+
+* hard maxlogins 10</fixtext><fix id="F-61734r926193_fix" /><check system="C-61810r926192_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 limits the number of concurrent sessions to "10" for all accounts and/or account types with the following command:
+
+$ grep -r -s maxlogins /etc/security/limits.conf /etc/security/limits.d/*.conf
+
+/etc/security/limits.conf:* hard maxlogins 10
+
+This can be set as a global domain (with the * wildcard) but may be set differently for multiple domains.
+
+If the "maxlogins" item is missing, commented out, or the value is set greater than "10" and is not documented with the information system security officer (ISSO) as an operational requirement for all domains that have the "maxlogins" item assigned, this is a finding.</check-content></check></Rule></Group><Group id="V-258070"><title>SRG-OS-000021-GPOS-00005</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258070r926197_rule" weight="10.0" severity="medium"><version>RHEL-09-412045</version><title>RHEL 9 must log username information when unsuccessful logon attempts occur.</title><description>&lt;VulnDiscussion&gt;Without auditing of these events, it may be harder or impossible to identify what an attacker did after an attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><fixtext fixref="F-61735r926196_fix">Configure RHEL 9 to log username information when unsuccessful logon attempts occur.
+
+Add/modify the "/etc/security/faillock.conf" file to match the following line:
+
+audit</fixtext><fix id="F-61735r926196_fix" /><check system="C-61811r926195_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "/etc/security/faillock.conf" file is configured to log username information when unsuccessful logon attempts occur with the following command:
+
+$ grep audit /etc/security/faillock.conf
+
+audit
+
+If the "audit" option is not set, is missing, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258071"><title>SRG-OS-000480-GPOS-00226</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258071r926200_rule" weight="10.0" severity="medium"><version>RHEL-09-412050</version><title>RHEL 9 must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.</title><description>&lt;VulnDiscussion&gt;Increasing the time between a failed authentication attempt and reprompting to enter credentials helps to slow a single-threaded brute force attack.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61736r926199_fix">Configure the RHEL 9 to enforce a delay of at least four seconds between logon prompts following a failed console logon attempt.
+
+Modify the "/etc/login.defs" file to set the "FAIL_DELAY" parameter to 4 or greater:
+
+FAIL_DELAY 4</fixtext><fix id="F-61736r926199_fix" /><check system="C-61812r926198_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enforces a delay of at least four seconds between console logon prompts following a failed logon attempt with the following command:
+
+$ grep -i fail_delay /etc/login.defs
+
+FAIL_DELAY 4
+
+If the value of "FAIL_DELAY" is not set to "4" or greater, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258072"><title>SRG-OS-000480-GPOS-00228</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258072r926203_rule" weight="10.0" severity="medium"><version>RHEL-09-412055</version><title>RHEL 9 must define default permissions for the bash shell.</title><description>&lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or less permissive. Although umask can be represented as a four-digit number, the first digit representing special access modes is typically ignored or required to be "0". This requirement applies to the globally configured system defaults and the local interactive user defaults for each account on the system.
+
+Satisfies: SRG-OS-000480-GPOS-00228, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61737r926202_fix">Configure RHEL 9 to define default permissions for all authenticated users using the bash shell.
+
+Add or edit the lines for the "umask" parameter in the "/etc/bashrc" file to "077":
+
+umask 077</fixtext><fix id="F-61737r926202_fix" /><check system="C-61813r926201_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "umask" setting is configured correctly in the "/etc/bashrc" file with the following command:
+
+Note: If the value of the "umask" parameter is set to "000" "/etc/bashrc" file, the Severity is raised to a CAT I.
+
+$ grep umask /etc/bashrc 
+
+umask 077
+umask 077  
+
+If the value for the "umask" parameter is not "077", or the "umask" parameter is missing or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258073"><title>SRG-OS-000480-GPOS-00228</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258073r926206_rule" weight="10.0" severity="medium"><version>RHEL-09-412060</version><title>RHEL 9 must define default permissions for the c shell.</title><description>&lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or less permissive. Although umask can be represented as a four-digit number, the first digit representing special access modes is typically ignored or required to be "0". This requirement applies to the globally configured system defaults and the local interactive user defaults for each account on the system.
+
+Satisfies: SRG-OS-000480-GPOS-00228, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61738r926205_fix">Configure RHEL 9 to define default permissions for all authenticated users using the c shell.
+
+Add or edit the lines for the "umask" parameter in the "/etc/csh.cshrc" file to "077":
+
+umask 077</fixtext><fix id="F-61738r926205_fix" /><check system="C-61814r926204_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "umask" setting is configured correctly in the "/etc/csh.cshrc" file with the following command:
+
+Note: If the value of the "umask" parameter is set to "000" "/etc/csh.cshrc" file, the Severity is raised to a CAT I.
+
+$ grep umask /etc/csh.cshrc 
+
+umask 077
+umask 077  
+
+If the value for the "umask" parameter is not "077", or the "umask" parameter is missing or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258074"><title>SRG-OS-000480-GPOS-00228</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258074r926209_rule" weight="10.0" severity="medium"><version>RHEL-09-412065</version><title>RHEL 9 must define default permissions for all authenticated users in such a way that the user can only read and modify their own files.</title><description>&lt;VulnDiscussion&gt;Setting the most restrictive default permissions ensures that when new accounts are created, they do not have unnecessary access.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61739r926208_fix">Configure RHEL 9 to define default permissions for all authenticated users in such a way that the user can only read and modify their own files.
+
+Add or edit the lines for the "UMASK" parameter in the "/etc/login.defs" file to "077":
+
+UMASK 077</fixtext><fix id="F-61739r926208_fix" /><check system="C-61815r926207_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 defines default permissions for all authenticated users in such a way that the user can only read and modify their own files with the following command:
+
+Note: If the value of the "UMASK" parameter is set to "000" in "/etc/login.defs" file, the Severity is raised to a CAT I.
+
+# grep -i umask /etc/login.defs
+
+UMASK 077
+
+If the value for the "UMASK" parameter is not "077", or the "UMASK" parameter is missing or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258075"><title>SRG-OS-000480-GPOS-00228</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258075r926212_rule" weight="10.0" severity="medium"><version>RHEL-09-412070</version><title>RHEL 9 must define default permissions for the system default profile.</title><description>&lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or less permissive. Although umask can be represented as a four-digit number, the first digit representing special access modes is typically ignored or required to be "0". This requirement applies to the globally configured system defaults and the local interactive user defaults for each account on the system.
+
+Satisfies: SRG-OS-000480-GPOS-00228, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61740r926211_fix">Configure RHEL 9 to define default permissions for all authenticated users in such a way that the user can only read and modify their own files.
+
+Add or edit the lines for the "umask" parameter in the "/etc/profile" file to "077":
+
+umask 077</fixtext><fix id="F-61740r926211_fix" /><check system="C-61816r926210_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the "umask" setting is configured correctly in the "/etc/profile" file with the following command:
+
+Note: If the value of the "umask" parameter is set to "000" "/etc/profile" file, the Severity is raised to a CAT I.
+
+$ grep umask /etc/profile 
+
+umask 077
+
+If the value for the "umask" parameter is not "077", or the "umask" parameter is missing or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258076"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258076r926215_rule" weight="10.0" severity="low"><version>RHEL-09-412075</version><title>RHEL 9 must display the date and time of the last successful account logon upon logon.</title><description>&lt;VulnDiscussion&gt;Users need to be aware of activity that occurs regarding their account. Providing users with information regarding the number of unsuccessful attempts that were made to login to their account allows the user to determine if any unauthorized activity has occurred and gives them an opportunity to notify administrators.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61741r926214_fix">Configure RHEL 9 to provide users with feedback on when account accesses last occurred by setting the required configuration options in "/etc/pam.d/postlogin". 
+
+Add the following line to the top of "/etc/pam.d/postlogin":
+
+session required pam_lastlog.so showfailed</fixtext><fix id="F-61741r926214_fix" /><check system="C-61817r926213_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify users are provided with feedback on when account accesses last occurred with the following command:
+
+$ sudo grep pam_lastlog /etc/pam.d/postlogin
+
+session required pam_lastlog.so showfailed
+
+If "pam_lastlog" is missing from "/etc/pam.d/postlogin" file, or the silent option is present, this is a finding.</check-content></check></Rule></Group><Group id="V-258077"><title>SRG-OS-000163-GPOS-00072</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258077r926218_rule" weight="10.0" severity="medium"><version>RHEL-09-412080</version><title>RHEL 9 must terminate idle user sessions.</title><description>&lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001133</ident><fixtext fixref="F-61742r926217_fix">Configure RHEL 9 to log out idle sessions by editing the /etc/systemd/logind.conf file with the following line:
+
+StopIdleSessionSec=900
+
+The "logind" service must be restarted for the changes to take effect. To restart the "logind" service, run the following command:
+
+$ sudo systemctl restart systemd-logind
+
+Note: To preserve running user programs such as tmux, uncomment and/or edit "KillUserProccesses=no" in "/etc/systemd/logind.conf".</fixtext><fix id="F-61742r926217_fix" /><check system="C-61818r926216_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 logs out sessions that are idle for 15 minutes with the following command:
+
+$ sudo grep -i ^StopIdleSessionSec /etc/systemd/logind.conf
+
+StopIdleSessionSec=900
+
+If "StopIdleSessionSec" is not configured to "900" seconds, this is a finding.</check-content></check></Rule></Group><Group id="V-258078"><title>SRG-OS-000445-GPOS-00199</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258078r926221_rule" weight="10.0" severity="high"><version>RHEL-09-431010</version><title>RHEL 9 must use a Linux Security Module configured to enforce limits on system services.</title><description>&lt;VulnDiscussion&gt;Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed. Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing the system security policy and supporting the isolation of code and data on which the protection is based. Security functionality includes, but is not limited to, establishing system accounts, configuring access authorizations (i.e., permissions, privileges), setting events to be audited, and setting intrusion detection parameters.
+
+This requirement applies to operating systems performing security function verification/testing and/or systems and environments that require this functionality.
+
+Satisfies: SRG-OS-000445-GPOS-00199, SRG-OS-000134-GPOS-00068&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001084</ident><ident system="http://cyber.mil/cci">CCI-002696</ident><fixtext fixref="F-61743r926220_fix">Configure RHEL 9 to verify correct operation of security functions.
+
+Edit the file "/etc/selinux/config" and add or modify the following line:
+
+ SELINUX=enforcing 
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61743r926220_fix" /><check system="C-61819r926219_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Ensure that RHEL 9 verifies correct operation of security functions through the use of SELinux with the following command:
+
+$ getenforce
+
+Enforcing
+
+If SELINUX is not set to "Enforcing", this is a finding.
+
+Verify that SELinux is configured to be enforcing at boot.
+
+grep "SELINUX=" /etc/selinux/config
+# SELINUX= can take one of these three values:
+# NOTE: In earlier Fedora kernel builds, SELINUX=disabled would also
+SELINUX=enforcing
+
+If SELINUX line is missing, commented out, or not set to "enforcing", this is a finding.</check-content></check></Rule></Group><Group id="V-258079"><title>SRG-OS-000445-GPOS-00199</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258079r926224_rule" weight="10.0" severity="medium"><version>RHEL-09-431015</version><title>RHEL 9 must enable the SELinux targeted policy.</title><description>&lt;VulnDiscussion&gt;Setting the SELinux policy to "targeted" or a more specialized policy ensures the system will confine processes that are likely to be targeted for exploitation, such as network or system services.
+
+Note: During the development or debugging of SELinux modules, it is common to temporarily place nonproduction systems in "permissive" mode. In such temporary cases, SELinux policies should be developed, and once work is completed, the system should be reconfigured to "targeted".&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002696</ident><fixtext fixref="F-61744r926223_fix">Configure RHEL 9 to use the targetd SELINUX policy.
+
+Edit the file "/etc/selinux/config" and add or modify the following line:
+
+ SELINUXTYPE=targeted 
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61744r926223_fix" /><check system="C-61820r926222_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SELINUX on RHEL 9 is using the targeted policy with the following command:
+
+$ sestatus | grep policy
+
+Loaded policy name:             targeted
+
+If the loaded policy name is not "targeted", this is a finding.</check-content></check></Rule></Group><Group id="V-258080"><title>SRG-OS-000021-GPOS-00005</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258080r926227_rule" weight="10.0" severity="medium"><version>RHEL-09-431020</version><title>RHEL 9 must configure SELinux context type to allow the use of a nondefault faillock tally directory.</title><description>&lt;VulnDiscussion&gt;Not having the correct SELinux context on the faillock directory may lead to unauthorized access to the directory.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><fixtext fixref="F-61745r926226_fix">Configure RHEL 9 to allow the use of a nondefault faillock tally directory while SELinux enforces a targeted policy.
+
+Create a nondefault faillock tally directory (if it does not already exist) with the following example:
+
+$ sudo mkdir /var/log/faillock
+
+Update the /etc/selinux/targeted/contexts/files/file_contexts.local with "faillog_t" context type for the nondefault faillock tally directory with the following command:
+
+$ sudo semanage fcontext -a -t faillog_t "/var/log/faillock(/.*)?"
+
+Next, update the context type of the nondefault faillock directory/subdirectories and files with the following command:
+
+$ sudo restorecon -R -v /var/log/faillock</fixtext><fix id="F-61745r926226_fix" /><check system="C-61821r926225_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the location of the nondefault tally directory for the pam_faillock module with the following command:
+
+Note: If the system does not have SELinux enabled and enforcing a targeted policy, or if the pam_faillock module is not configured for use, this requirement is Not Applicable.
+
+$ grep 'dir =' /etc/security/faillock.conf
+
+dir = /var/log/faillock
+
+Check the security context type of the nondefault tally directory with the following command:
+
+$ ls -Zd /var/log/faillock
+
+unconfined_u:object_r:faillog_t:s0 /var/log/faillock
+
+If the security context type of the nondefault tally directory is not "faillog_t", this is a finding.</check-content></check></Rule></Group><Group id="V-258081"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258081r926230_rule" weight="10.0" severity="medium"><version>RHEL-09-431025</version><title>RHEL 9 must have policycoreutils package installed.</title><description>&lt;VulnDiscussion&gt;Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed. Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing the system security policy and supporting the isolation of code and data on which the protection is based. Security functionality includes, but is not limited to, establishing system accounts, configuring access authorizations (i.e., permissions, privileges), setting events to be audited, and setting intrusion detection parameters.
+
+Policycoreutils contains the policy core utilities that are required for basic operation of an SELinux-enabled system. These utilities include load_policy to load SELinux policies, setfile to label filesystems, newrole to switch roles, and run_init to run /etc/init.d scripts in the proper context.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000134-GPOS-00068&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001084</ident><fixtext fixref="F-61746r926229_fix">The policycoreutils package can be installed with the following command:
+ 
+$ sudo dnf install policycoreutils</fixtext><fix id="F-61746r926229_fix" /><check system="C-61822r926228_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 has the policycoreutils package installed with the following command:
+
+$ sudo dnf list --installed policycoreutils
+
+Example output:
+
+policycoreutils.x86_64          3.3-6.el9_0                                                 
+
+If the "policycoreutils" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258082"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258082r926233_rule" weight="10.0" severity="medium"><version>RHEL-09-431030</version><title>RHEL 9 policycoreutils-python-utils package must be installed.</title><description>&lt;VulnDiscussion&gt;The policycoreutils-python-utils package is required to operate and manage an SELinux environment and its policies. It provides utilities such as semanage, audit2allow, audit2why, chcat, and sandbox.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61747r926232_fix">Install the policycoreutils-python-utils service package (if the policycoreutils-python-utils service is not already installed) with the following command:
+
+$ sudo dnf install policycoreutils-python-utils</fixtext><fix id="F-61747r926232_fix" /><check system="C-61823r926231_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 policycoreutils-python-utils service package is installed with the following command:
+
+$ sudo dnf list --installed policycoreutils-python-utils
+
+Example output:
+
+policycoreutils-python-utils.noarch          3.3-6.el9_0
+
+If the "policycoreutils-python-utils" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258083"><title>SRG-OS-000324-GPOS-00125</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258083r926236_rule" weight="10.0" severity="medium"><version>RHEL-09-432010</version><title>RHEL 9 must have the sudo package installed.</title><description>&lt;VulnDiscussion&gt;"sudo" is a program designed to allow a system administrator to give limited root privileges to users and log root activity. The basic philosophy is to give as few privileges as possible but still allow system users to get their work done.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002235</ident><fixtext fixref="F-61748r926235_fix">The  sudo  package can be installed with the following command:
+ 
+$ sudo dnf install sudo</fixtext><fix id="F-61748r926235_fix" /><check system="C-61824r926234_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 sudo package is installed with the following command:
+
+$ sudo dnf list --installed sudo
+
+Example output:
+
+sudo.x86_64          1.9.5p2-7.el9
+
+If the "sudo" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258084"><title>SRG-OS-000373-GPOS-00156</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258084r926239_rule" weight="10.0" severity="medium"><version>RHEL-09-432015</version><title>RHEL 9 must require reauthentication when using the "sudo" command.</title><description>&lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization. 
+
+When operating systems provide the capability to escalate a functional capability, it is critical the organization requires the user to reauthenticate when using the "sudo" command.
+
+If the value is set to an integer less than "0", the user's time stamp will not expire and the user will not have to reauthenticate for privileged actions until the user's session is terminated.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002038</ident><fixtext fixref="F-61749r926238_fix">Configure RHEL 9 to reauthenticate "sudo" commands after the specified timeout:
+
+Add the following line to "/etc/sudoers":
+
+Defaults timestamp_timeout=0</fixtext><fix id="F-61749r926238_fix" /><check system="C-61825r926237_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 requires reauthentication when using the "sudo" command to elevate privileges with the following command:
+
+$ sudo grep -i 'timestamp_timeout' /etc/sudoers /etc/sudoers.d/*
+
+/etc/sudoers:Defaults timestamp_timeout=0
+
+If results are returned from more than one file location, this is a finding.
+
+If "timestamp_timeout" is set to a negative number, is commented out, or no results are returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258085"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258085r926242_rule" weight="10.0" severity="medium"><version>RHEL-09-432020</version><title>RHEL 9 must use the invoking user's password for privilege escalation when using "sudo".</title><description>&lt;VulnDiscussion&gt;If the rootpw, targetpw, or runaspw flags are defined and not disabled, by default the operating system will prompt the invoking user for the "root" user password.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61750r926241_fix">Define the following in the Defaults section of the /etc/sudoers file or a single configuration file in the /etc/sudoers.d/ directory:
+
+Defaults !targetpw
+Defaults !rootpw
+Defaults !runaspw</fixtext><fix id="F-61750r926241_fix" /><check system="C-61826r926240_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the sudoers security policy is configured to use the invoking user's password for privilege escalation with the following command:
+
+$ sudo egrep -i '(!rootpw|!targetpw|!runaspw)' /etc/sudoers /etc/sudoers.d/* | grep -v '#'
+
+/etc/sudoers:Defaults !targetpw
+/etc/sudoers:Defaults !rootpw
+/etc/sudoers:Defaults !runaspw
+
+If no results are returned, this is a finding.
+
+If results are returned from more than one file location, this is a finding.
+
+If "Defaults !targetpw" is not defined, this is a finding.
+
+If "Defaults !rootpw" is not defined, this is a finding.
+
+If "Defaults !runaspw" is not defined, this is a finding.</check-content></check></Rule></Group><Group id="V-258086"><title>SRG-OS-000373-GPOS-00156</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258086r926245_rule" weight="10.0" severity="medium"><version>RHEL-09-432025</version><title>RHEL 9 must require users to reauthenticate for privilege escalation.</title><description>&lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization.
+
+When operating systems provide the capability to escalate a functional capability, it is critical that the user reauthenticate.
+
+Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002038</ident><fixtext fixref="F-61751r926244_fix">Configure RHEL 9 to not allow users to execute privileged actions without authenticating.
+
+Remove any occurrence of "!authenticate" found in "/etc/sudoers" file or files in the "/etc/sudoers.d" directory.
+
+$ sudo sed -i '/\!authenticate/ s/^/# /g' /etc/sudoers /etc/sudoers.d/*</fixtext><fix id="F-61751r926244_fix" /><check system="C-61827r926243_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "/etc/sudoers" has no occurrences of "!authenticate" with the following command:
+
+$ sudo grep -i '!authenticate' /etc/sudoers /etc/sudoers.d/*
+
+If any occurrences of "!authenticate" are returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258087"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258087r926248_rule" weight="10.0" severity="medium"><version>RHEL-09-432030</version><title>RHEL 9 must restrict privilege elevation to authorized personnel.</title><description>&lt;VulnDiscussion&gt;If the "sudoers" file is not configured correctly, any user defined on the system can initiate privileged actions on the target system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61752r926247_fix">Remove the following entries from the /etc/sudoers file or configuration file under /etc/sudoers.d/:
+
+ALL     ALL=(ALL) ALL
+ALL     ALL=(ALL:ALL) ALL</fixtext><fix id="F-61752r926247_fix" /><check system="C-61828r926246_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 restricts privilege elevation to authorized personnel with the following command:
+
+$ sudo sh -c 'grep -iw ALL /etc/sudoers /etc/sudoers.d/*'
+
+If the either of the following entries are returned, this is a finding:
+ALL     ALL=(ALL) ALL
+ALL     ALL=(ALL:ALL) ALL</check-content></check></Rule></Group><Group id="V-258088"><title>SRG-OS-000373-GPOS-00156</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258088r926251_rule" weight="10.0" severity="medium"><version>RHEL-09-432035</version><title>RHEL 9 must restrict the use of the "su" command.</title><description>&lt;VulnDiscussion&gt;The "su" program allows to run commands with a substitute user and group ID. It is commonly used to run commands as the root user. Limiting access to such commands is considered a good security practice.
+
+Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000312-GPOS-00123&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002038</ident><ident system="http://cyber.mil/cci">CCI-002165</ident><fixtext fixref="F-61753r926250_fix">Configure RHEL 9 to require users to be in the "wheel" group to run "su" command.
+
+In file "/etc/pam.d/su", uncomment the following line:
+
+"#auth    required    pam_wheel.so use_uid"
+
+$ sed '/^[[:space:]]*#[[:space:]]*auth[[:space:]]\+required[[:space:]]\+pam_wheel\.so[[:space:]]\+use_uid$/s/^[[:space:]]*#//' -i /etc/pam.d/su
+
+If necessary, create a "wheel" group and add administrative users to the group.</fixtext><fix id="F-61753r926250_fix" /><check system="C-61829r926249_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 requires uses to be members of the "wheel" group with the following command:
+
+$ grep pam_wheel /etc/pam.d/su 
+
+auth             required        pam_wheel.so use_uid 
+
+If a line for "pam_wheel.so" does not exist, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258089"><title>SRG-OS-000370-GPOS-00155</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258089r926254_rule" weight="10.0" severity="medium"><version>RHEL-09-433010</version><title>RHEL 9 fapolicy module must be installed.</title><description>&lt;VulnDiscussion&gt;The organization must identify authorized software programs and permit execution of authorized software. The process used to identify software programs that are authorized to execute on organizational information systems is commonly referred to as allowlisting.
+
+Utilizing an allowlist provides a configuration management method for allowing the execution of only authorized software. Using only authorized software decreases risk by limiting the number of potential vulnerabilities. Verification of allowlisted software occurs prior to execution or at system startup.
+
+User home directories/folders may contain information of a sensitive nature. Nonprivileged users should coordinate any sharing of information with an SA through shared resources.
+
+RHEL 9 ships with many optional packages. One such package is a file access policy daemon called "fapolicyd". "fapolicyd" is a userspace daemon that determines access rights to files based on attributes of the process and file. It can be used to either blocklist or allowlist processes or file access.
+
+Proceed with caution with enforcing the use of this daemon. Improper configuration may render the system nonfunctional. The "fapolicyd" API is not namespace aware and can cause issues when launching or running containers.
+
+Satisfies: SRG-OS-000370-GPOS-00155, SRG-OS-000368-GPOS-00154&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><ident system="http://cyber.mil/cci">CCI-001774</ident><fixtext fixref="F-61754r926253_fix">The  fapolicyd  package can be installed with the following command:
+ 
+$ sudo dnf install fapolicyd</fixtext><fix id="F-61754r926253_fix" /><check system="C-61830r926252_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 fapolicyd package is installed with the following command:
+
+$ sudo dnf list --installed fapolicyd
+
+Example output:
+
+fapolicyd.x86_64          1.1-103.el9_0
+
+If the "fapolicyd" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258090"><title>SRG-OS-000370-GPOS-00155</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258090r926257_rule" weight="10.0" severity="medium"><version>RHEL-09-433015</version><title>RHEL 9 fapolicy module must be enabled.</title><description>&lt;VulnDiscussion&gt;The organization must identify authorized software programs and permit execution of authorized software. The process used to identify software programs that are authorized to execute on organizational information systems is commonly referred to as allowlisting.
+
+Utilizing an allowlist provides a configuration management method for allowing the execution of only authorized software. Using only authorized software decreases risk by limiting the number of potential vulnerabilities. Verification of allowlisted software occurs prior to execution or at system startup.
+
+User home directories/folders may contain information of a sensitive nature. Nonprivileged users should coordinate any sharing of information with an SA through shared resources.
+
+RHEL 9 ships with many optional packages. One such package is a file access policy daemon called "fapolicyd". "fapolicyd" is a userspace daemon that determines access rights to files based on attributes of the process and file. It can be used to either blocklist or allowlist processes or file access.
+
+Proceed with caution with enforcing the use of this daemon. Improper configuration may render the system nonfunctional. The "fapolicyd" API is not namespace aware and can cause issues when launching or running containers.
+
+Satisfies: SRG-OS-000370-GPOS-00155, SRG-OS-000368-GPOS-00154&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001764</ident><ident system="http://cyber.mil/cci">CCI-001774</ident><fixtext fixref="F-61755r926256_fix">Enable the fapolicyd with the following command:
+
+$ systemctl enable --now fapolicyd</fixtext><fix id="F-61755r926256_fix" /><check system="C-61831r926255_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 fapolicyd is active with the following command:
+
+$ systemctl is-active fapolicyd
+
+active
+
+If fapolicyd module is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-258091"><title>SRG-OS-000069-GPOS-00037</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258091r926260_rule" weight="10.0" severity="medium"><version>RHEL-09-611010</version><title>RHEL 9 must ensure the password complexity module in the system-auth file is configured for three retries or less.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. "pwquality" enforces complex password construction configuration and has the ability to limit brute-force attacks on the system.
+
+RHEL 9 uses "pwquality" as a mechanism to enforce password complexity. This is set in both:
+/etc/pam.d/password-auth
+/etc/pam.d/system-auth
+
+By limiting the number of attempts to meet the pwquality module complexity requirements before returning with an error, the system will audit abnormal attempts at password changes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000192</ident><fixtext fixref="F-61756r926259_fix">Configure RHEL 9 to limit the "pwquality" retry option to "3".
+
+Add the following line to the "/etc/pam.d/system-auth" file (or modify the line to have the required value):
+
+password required pam_pwquality.so retry=3</fixtext><fix id="F-61756r926259_fix" /><check system="C-61832r926258_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured to limit the "pwquality" retry option to "3". 
+
+Check for the use of the "pwquality" retry option in the system-auth file with the following command:
+
+$ cat /etc/pam.d/system-auth | grep pam_pwquality
+
+password required pam_pwquality.so retry=3
+
+If the value of "retry" is set to "0" or greater than "3", or is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258092"><title>SRG-OS-000077-GPOS-00045</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258092r926263_rule" weight="10.0" severity="medium"><version>RHEL-09-611015</version><title>RHEL 9 must be configured in the password-auth file to prohibit password reuse for a minimum of five generations.</title><description>&lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to reuse their password consecutively when that password has exceeded its defined lifetime, the end result is a password that is not changed per policy requirements.
+
+RHEL 9 uses "pwhistory" consecutively as a mechanism to prohibit password reuse. This is set in both:
+/etc/pam.d/password-auth
+/etc/pam.d/system-auth
+
+Note that manual changes to the listed files may be overwritten by the "authselect" program.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000200</ident><fixtext fixref="F-61757r926262_fix">Configure the RHEL 9 password-auth file to prohibit password reuse for a minimum of five generations.
+
+Add the following line in "/etc/pam.d/password-auth" (or modify the line to have the required value):
+
+password required pam_pwhistory.so use_authtok remember=5 retry=3</fixtext><fix id="F-61757r926262_fix" /><check system="C-61833r926261_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured in the password-auth file to prohibit password reuse for a minimum of five generations with the following command:
+
+$ grep -i remember /etc/pam.d/password-auth
+
+password required pam_pwhistory.so use_authtok remember=5 retry=3
+
+If the line containing "pam_pwhistory.so" does not have the "remember" module argument set, is commented out, or the value of the "remember" module argument is set to less than "5", this is a finding.</check-content></check></Rule></Group><Group id="V-258093"><title>SRG-OS-000077-GPOS-00045</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258093r926266_rule" weight="10.0" severity="medium"><version>RHEL-09-611020</version><title>RHEL 9 must be configured in the system-auth file to prohibit password reuse for a minimum of five generations.</title><description>&lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to reuse their password consecutively when that password has exceeded its defined lifetime, the end result is a password that is not changed per policy requirements.
+
+RHEL 9 uses "pwhistory" consecutively as a mechanism to prohibit password reuse. This is set in both:
+/etc/pam.d/password-auth
+/etc/pam.d/system-auth
+
+Note that manual changes to the listed files may be overwritten by the "authselect" program.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000200</ident><fixtext fixref="F-61758r926265_fix">Configure the RHEL 9 system-auth file to prohibit password reuse for a minimum of five generations.
+
+Add the following line in "/etc/pam.d/system-auth" (or modify the line to have the required value):
+
+password required pam_pwhistory.so use_authtok remember=5 retry=3</fixtext><fix id="F-61758r926265_fix" /><check system="C-61834r926264_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured in the system-auth file to prohibit password reuse for a minimum of five generations with the following command:
+
+$ grep -i remember /etc/pam.d/system-auth
+
+password required pam_pwhistory.so use_authtok remember=5 retry=3
+
+If the line containing "pam_pwhistory.so" does not have the "remember" module argument set, is commented out, or the value of the "remember" module argument is set to less than "5", this is a finding.</check-content></check></Rule></Group><Group id="V-258094"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258094r926269_rule" weight="10.0" severity="high"><version>RHEL-09-611025</version><title>RHEL 9 must not allow blank or null passwords.</title><description>&lt;VulnDiscussion&gt;If an account has an empty password, anyone could log in and run commands with the privileges of that account. Accounts with empty passwords should never be used in operational environments.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61759r926268_fix">Remove any instances of the "nullok" option in the "/etc/pam.d/password-auth" and "/etc/pam.d/system-auth" files to prevent logons with empty passwords.
+
+Note: Manual changes to the listed file may be overwritten by the "authselect" program.</fixtext><fix id="F-61759r926268_fix" /><check system="C-61835r926267_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that null passwords cannot be used with the following command:
+
+$ sudo grep -i nullok /etc/pam.d/system-auth /etc/pam.d/password-auth
+
+If output is produced, this is a finding.</check-content></check></Rule></Group><Group id="V-258095"><title>SRG-OS-000021-GPOS-00005</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258095r926272_rule" weight="10.0" severity="medium"><version>RHEL-09-611030</version><title>RHEL 9 must configure the use of the pam_faillock.so module in the /etc/pam.d/system-auth file.</title><description>&lt;VulnDiscussion&gt;If the pam_faillock.so module is not loaded, the system will not correctly lockout accounts to prevent password guessing attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><fixtext fixref="F-61760r926271_fix">Configure RHEL 9 to include the use of the pam_faillock.so module in the /etc/pam.d/system-auth file.
+
+Add/modify the appropriate sections of the "/etc/pam.d/system-auth" file to match the following lines:
+Note: The "preauth" line must be listed before pam_unix.so.
+
+auth required pam_faillock.so preauth
+auth required pam_faillock.so authfail
+account required pam_faillock.so</fixtext><fix id="F-61760r926271_fix" /><check system="C-61836r926270_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the pam_faillock.so module is present in the "/etc/pam.d/system-auth" file:
+
+$ grep pam_faillock.so /etc/pam.d/system-auth
+
+auth required pam_faillock.so preauth
+auth required pam_faillock.so authfail
+account required pam_faillock.so
+
+If the pam_faillock.so module is not present in the "/etc/pam.d/system-auth" file with the "preauth" line listed before pam_unix.so, this is a finding.</check-content></check></Rule></Group><Group id="V-258096"><title>SRG-OS-000021-GPOS-00005</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258096r926275_rule" weight="10.0" severity="medium"><version>RHEL-09-611035</version><title>RHEL 9 must configure the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.</title><description>&lt;VulnDiscussion&gt;If the pam_faillock.so module is not loaded, the system will not correctly lockout accounts to prevent password guessing attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000044</ident><fixtext fixref="F-61761r926274_fix">Configure RHEL 9 to include the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.
+
+Add/modify the appropriate sections of the "/etc/pam.d/password-auth" file to match the following lines:
+Note: The "preauth" line must be listed before pam_unix.so.
+
+auth required pam_faillock.so preauth
+auth required pam_faillock.so authfail
+account required pam_faillock.so</fixtext><fix id="F-61761r926274_fix" /><check system="C-61837r926273_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the pam_faillock.so module is present in the "/etc/pam.d/password-auth" file:
+
+$ grep pam_faillock.so /etc/pam.d/password-auth
+
+auth required pam_faillock.so preauth
+auth required pam_faillock.so authfail
+account required pam_faillock.so
+
+If the pam_faillock.so module is not present in the "/etc/pam.d/password-auth" file with the "preauth" line listed before pam_unix.so, this is a finding.</check-content></check></Rule></Group><Group id="V-258097"><title>SRG-OS-000069-GPOS-00037</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258097r926278_rule" weight="10.0" severity="medium"><version>RHEL-09-611040</version><title>RHEL 9 must ensure the password complexity module is enabled in the password-auth file.</title><description>&lt;VulnDiscussion&gt;Enabling PAM password complexity permits enforcement of strong passwords and consequently makes the system less prone to dictionary attacks.
+
+Satisfies: SRG-OS-000069-GPOS-00037, SRG-OS-000070-GPOS-00038, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000192</ident><ident system="http://cyber.mil/cci">CCI-000193</ident><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61762r926277_fix">Configure RHEL 9 to use "pwquality" to enforce password complexity rules.
+
+Add the following line to the "/etc/pam.d/password-auth" file (or modify the line to have the required value):
+
+password required pam_pwquality.so</fixtext><fix id="F-61762r926277_fix" /><check system="C-61838r926276_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 uses "pwquality" to enforce the password complexity rules in the password-auth file with the following command:
+
+$ cat /etc/pam.d/password-auth | grep pam_pwquality
+
+password required pam_pwquality.so 
+
+If the command does not return a line containing the value "pam_pwquality.so", or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258098"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258098r926281_rule" weight="10.0" severity="medium"><version>RHEL-09-611045</version><title>RHEL 9 must ensure the password complexity module is enabled in the system-auth file.</title><description>&lt;VulnDiscussion&gt;Enabling PAM password complexity permits enforcement of strong passwords and consequently makes the system less prone to dictionary attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61763r926280_fix">Configure RHEL 9 to use "pwquality" to enforce password complexity rules.
+
+Add the following line to the "/etc/pam.d/system-auth" file(or modify the line to have the required value):
+
+password required pam_pwquality.so</fixtext><fix id="F-61763r926280_fix" /><check system="C-61839r926279_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 uses "pwquality" to enforce the password complexity rules in the system-auth file with the following command:
+
+$ cat /etc/pam.d/system-auth | grep pam_pwquality
+
+password required pam_pwquality.so 
+
+If the command does not return a line containing the value "pam_pwquality.so", or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258099"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258099r926284_rule" weight="10.0" severity="medium"><version>RHEL-09-611050</version><title>RHEL 9 password-auth must be configured to use a sufficient number of hashing rounds.</title><description>&lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. Passwords that are encrypted with a weak algorithm are no more protected than if they are kept in plain text.
+
+Using more hashing rounds makes password cracking attacks more difficult.
+
+Satisfies: SRG-OS-000073-GPOS-00041, SRG-OS-000120-GPOS-00061&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61764r926283_fix">Configure Red Hat Enterprise Linux 9 to use 5000 hashing rounds for hashing passwords.
+
+Add or modify the following line in "/etc/pam.d/password-auth" and set "rounds" to "5000".
+
+password sufficient pam_unix.so sha512 rounds=5000</fixtext><fix id="F-61764r926283_fix" /><check system="C-61840r926282_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the number of rounds for the password hashing algorithm is configured with the following command:
+
+$ sudo grep rounds /etc/pam.d/password-auth
+
+password sufficient pam_unix.so sha512 rounds=5000
+
+If a matching line is not returned or "rounds" is less than "5000", this a finding.</check-content></check></Rule></Group><Group id="V-258100"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258100r926287_rule" weight="10.0" severity="medium"><version>RHEL-09-611055</version><title>RHEL 9 system-auth must be configured to use a sufficient number of hashing rounds.</title><description>&lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. Passwords that are encrypted with a weak algorithm are no more protected than if they are kept in plain text.
+
+Using more hashing rounds makes password cracking attacks more difficult.
+
+Satisfies: SRG-OS-000073-GPOS-00041, SRG-OS-000120-GPOS-00061&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61765r926286_fix">Configure Red Hat Enterprise Linux 9 to use 5000 hashing rounds for hashing passwords.
+
+Add or modify the following line in "/etc/pam.d/system-auth" and set "rounds" to 5000.
+
+password sufficient pam_unix.so sha512 rounds=5000'</fixtext><fix id="F-61765r926286_fix" /><check system="C-61841r926285_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the number of rounds for the password hashing algorithm is configured with the following command:
+
+$ sudo grep rounds /etc/pam.d/system-auth
+
+password sufficient pam_unix.so sha512 rounds=5000
+
+If a matching line is not returned or "rounds" is less than 5000, this a finding.</check-content></check></Rule></Group><Group id="V-258101"><title>SRG-OS-000072-GPOS-00040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258101r926290_rule" weight="10.0" severity="medium"><version>RHEL-09-611060</version><title>RHEL 9 must enforce password complexity rules for the root account.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised.
+
+Satisfies: SRG-OS-000072-GPOS-00040, SRG-OS-000071-GPOS-00039, SRG-OS-000070-GPOS-00038, SRG-OS-000266-GPOS-00101, SRG-OS-000078-GPOS-00046, SRG-OS-000480-GPOS-00225, SRG-OS-000069-GPOS-00037&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000192</ident><ident system="http://cyber.mil/cci">CCI-000193</ident><ident system="http://cyber.mil/cci">CCI-000194</ident><ident system="http://cyber.mil/cci">CCI-000195</ident><ident system="http://cyber.mil/cci">CCI-000205</ident><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001619</ident><fixtext fixref="F-61766r926289_fix">Configure RHEL 9 to enforce password complexity on the root account.
+
+Add or update the following line in /etc/security/pwquality.conf:
+
+enforce_for_root</fixtext><fix id="F-61766r926289_fix" /><check system="C-61842r926288_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces password complexity rules for the root account.
+
+Check if root user is required to use complex passwords with the following command:
+
+$ grep enforce_for_root /etc/security/pwquality.conf /etc/security/pwquality.conf/*.conf
+
+/etc/security/pwquality.conf:enforce_for_root
+
+If "enforce_for_root" is commented or missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258102"><title>SRG-OS-000070-GPOS-00038</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258102r926293_rule" weight="10.0" severity="medium"><version>RHEL-09-611065</version><title>RHEL 9 must enforce password complexity by requiring that at least one lowercase character be used.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. 
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised. Requiring a minimum number of lowercase characters makes password guessing attacks more difficult by ensuring a larger search space.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000193</ident><fixtext fixref="F-61767r926292_fix">Configure RHEL 9 to enforce password complexity by requiring at least one lowercase character be used by setting the "lcredit" option.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+lcredit = -1</fixtext><fix id="F-61767r926292_fix" /><check system="C-61843r926291_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces password complexity by requiring at least one lowercase character.
+
+Check the value for "lcredit" with the following command:
+
+$ sudo grep lcredit /etc/security/pwquality.conf /etc/security/pwquality.conf/*.conf 
+
+/etc/security/pwquality.conf:lcredit = -1 
+
+If the value of "lcredit" is a positive number or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258103"><title>SRG-OS-000071-GPOS-00039</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258103r926296_rule" weight="10.0" severity="medium"><version>RHEL-09-611070</version><title>RHEL 9 must enforce password complexity by requiring that at least one numeric character be used.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised. Requiring digits makes password guessing attacks more difficult by ensuring a larger search space.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000194</ident><fixtext fixref="F-61768r926295_fix">Configure RHEL 9 to enforce password complexity by requiring at least one numeric character be used by setting the "dcredit" option.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+dcredit = -1</fixtext><fix id="F-61768r926295_fix" /><check system="C-61844r926294_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces password complexity by requiring at least one numeric character.
+
+Check the value for "dcredit" with the following command:
+
+$ sudo grep dcredit /etc/security/pwquality.conf /etc/security/pwquality.conf/*.conf
+
+/etc/security/pwquality.conf:dcredit = -1 
+
+If the value of "dcredit" is a positive number or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258104"><title>SRG-OS-000075-GPOS-00043</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258104r926299_rule" weight="10.0" severity="medium"><version>RHEL-09-611075</version><title>RHEL 9 passwords for new users or password changes must have a 24 hours minimum password lifetime restriction in /etc/login.defs.</title><description>&lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, then the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.
+
+Setting the minimum password age protects against users cycling back to a favorite password after satisfying the password reuse requirement.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000198</ident><fixtext fixref="F-61769r926298_fix">Configure RHEL 9 to enforce 24 hours as the minimum password lifetime.
+
+Add the following line in "/etc/login.defs" (or modify the line to have the required value):
+
+PASS_MIN_DAYS 1</fixtext><fix id="F-61769r926298_fix" /><check system="C-61845r926297_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 enforces 24 hours as the minimum password lifetime for new user accounts.
+
+Check for the value of "PASS_MIN_DAYS" in "/etc/login.defs" with the following command: 
+
+$ grep -i pass_min_days /etc/login.defs
+
+PASS_MIN_DAYS 1
+
+If the "PASS_MIN_DAYS" parameter value is not "1" or greater, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258105"><title>SRG-OS-000075-GPOS-00043</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258105r926302_rule" weight="10.0" severity="medium"><version>RHEL-09-611080</version><title>RHEL 9 passwords must have a 24 hours minimum password lifetime restriction in /etc/shadow.</title><description>&lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000198</ident><fixtext fixref="F-61770r926301_fix">Configure noncompliant accounts to enforce a 24 hour minimum password lifetime:
+
+$ sudo passwd -n 1 [user]</fixtext><fix id="F-61770r926301_fix" /><check system="C-61846r926300_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has configured the minimum time period between password changes for each user account as one day or greater with the following command:
+
+$ sudo awk -F: '$4 &lt; 1 {print $1 " " $4}' /etc/shadow
+
+If any results are returned that are not associated with a system account, this is a finding.</check-content></check></Rule></Group><Group id="V-258106"><title>SRG-OS-000373-GPOS-00156</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258106r926305_rule" weight="10.0" severity="medium"><version>RHEL-09-611085</version><title>RHEL 9 must require users to provide a password for privilege escalation.</title><description>&lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization.
+
+When operating systems provide the capability to escalate a functional capability, it is critical that the user reauthenticate.
+
+Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002038</ident><fixtext fixref="F-61771r926304_fix">Configure RHEL 9 to not allow users to execute privileged actions without authenticating with a password.
+
+Remove any occurrence of "NOPASSWD" found in "/etc/sudoers" file or files in the "/etc/sudoers.d" directory.
+
+$ sudo sed -i '/NOPASSWD/ s/^/# /g' /etc/sudoers /etc/sudoers.d/*</fixtext><fix id="F-61771r926304_fix" /><check system="C-61847r926303_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "/etc/sudoers" has no occurrences of "NOPASSWD" with the following command:
+
+$ sudo grep -ri nopasswd /etc/sudoers /etc/sudoers.d/*
+
+If any occurrences of "NOPASSWD" are returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258107"><title>SRG-OS-000078-GPOS-00046</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258107r926308_rule" weight="10.0" severity="medium"><version>RHEL-09-611090</version><title>RHEL 9 passwords must be created with a minimum of 15 characters.</title><description>&lt;VulnDiscussion&gt;The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised.
+
+Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to determine strength and how long it takes to crack a password. Use of more characters in a password helps to increase exponentially the time and/or resources required to compromise the password.
+
+RHEL 9 uses "pwquality" as a mechanism to enforce password complexity. Configurations are set in the "etc/security/pwquality.conf" file.
+
+The "minlen", sometimes noted as minimum length, acts as a "score" of complexity based on the credit components of the "pwquality" module. By setting the credit components to a negative value, not only will those components be required, but they will not count toward the total "score" of "minlen". This will enable "minlen" to require a 15-character minimum.
+
+The DOD minimum password requirement is 15 characters.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000205</ident><fixtext fixref="F-61772r926307_fix">Configure RHEL 9 to enforce a minimum 15-character password length.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+minlen = 15</fixtext><fix id="F-61772r926307_fix" /><check system="C-61848r926306_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces a minimum 15-character password length with the following command:
+
+$ grep minlen /etc/security/pwquality.conf
+
+minlen = 15
+
+If the command does not return a "minlen" value of "15" or greater, does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258108"><title>SRG-OS-000078-GPOS-00046</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258108r926311_rule" weight="10.0" severity="medium"><version>RHEL-09-611095</version><title>RHEL 9 passwords for new users must have a minimum of 15 characters.</title><description>&lt;VulnDiscussion&gt;The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised.
+
+Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to determine strength and how long it takes to crack a password. Use of more characters in a password helps to increase exponentially the time and/or resources required to compromise the password.
+
+The DOD minimum password requirement is 15 characters.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000205</ident><fixtext fixref="F-61773r926310_fix">Configure RHEL 9 to enforce a minimum 15-character password length for new user accounts.
+
+Add or modify the following line in the "/etc/login.defs" file:
+
+PASS_MIN_LEN 15</fixtext><fix id="F-61773r926310_fix" /><check system="C-61849r926309_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces a minimum 15-character password length for new user accounts by running the following command:
+
+$ sudo grep -i  pass_min_len /etc/login.defs
+
+PASS_MIN_LEN 15
+
+If the command does not return a "PASS_MIN_LEN" value of "15" or greater, does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258109"><title>SRG-OS-000266-GPOS-00101</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258109r926314_rule" weight="10.0" severity="medium"><version>RHEL-09-611100</version><title>RHEL 9 must enforce password complexity by requiring that at least one special character be used.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised. RHEL 9 utilizes "pwquality" as a mechanism to enforce password complexity. Note that to require special characters without degrading the "minlen" value, the credit value must be expressed as a negative number in "/etc/security/pwquality.conf".&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001619</ident><fixtext fixref="F-61774r926313_fix">Configure RHEL 9 to enforce password complexity by requiring at least one special character be used by setting the "ocredit" option.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+ocredit = -1</fixtext><fix id="F-61774r926313_fix" /><check system="C-61850r926312_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces password complexity by requiring at least one special character with the following command:
+
+$ sudo grep ocredit /etc/security/pwquality.conf /etc/security/pwquality.conf.d/*.conf 
+
+ocredit = -1 
+
+If the value of "ocredit" is a positive number or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258110"><title>SRG-OS-000480-GPOS-00225</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258110r926317_rule" weight="10.0" severity="medium"><version>RHEL-09-611105</version><title>RHEL 9 must prevent the use of dictionary words for passwords.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If RHEL 9 allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses, and brute-force attacks.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61775r926316_fix">Configure RHEL 9 to prevent the use of dictionary words for passwords.
+
+Add or update the following line in the "/etc/security/pwquality.conf" file or a configuration file in the /etc/pwquality.conf.d/ directory to contain the "dictcheck" parameter:
+
+dictcheck=1</fixtext><fix id="F-61775r926316_fix" /><check system="C-61851r926315_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 prevents the use of dictionary words for passwords with the following command:
+
+$ sudo grep dictcheck /etc/security/pwquality.conf /etc/pwquality.conf.d/*.conf 
+
+/etc/security/pwquality.conf:dictcheck=1 
+
+If "dictcheck" does not have a value other than "0", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258111"><title>SRG-OS-000069-GPOS-00037</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258111r926320_rule" weight="10.0" severity="medium"><version>RHEL-09-611110</version><title>RHEL 9 must enforce password complexity by requiring that at least one uppercase character be used.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised. Requiring a minimum number of uppercase characters makes password guessing attacks more difficult by ensuring a larger search space.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000192</ident><fixtext fixref="F-61776r926319_fix">Configure RHEL 9 to enforce password complexity by requiring that at least one uppercase character be used by setting the "ucredit" option.
+
+Add the following line to /etc/security/pwquality.conf (or modify the line to have the required value):
+
+ucredit = -1</fixtext><fix id="F-61776r926319_fix" /><check system="C-61852r926318_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 enforces password complexity by requiring that at least one uppercase character.
+
+Check the value for "ucredit" with the following command:
+
+$ sudo grep ucredit /etc/security/pwquality.conf /etc/security/pwquality.conf/*.conf 
+
+ucredit = -1 
+
+If the value of "ucredit" is a positive number or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258112"><title>SRG-OS-000072-GPOS-00040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258112r926323_rule" weight="10.0" severity="medium"><version>RHEL-09-611115</version><title>RHEL 9 must require the change of at least eight characters when passwords are changed.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute–force attacks. 
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be tested before the password is compromised. Requiring a minimum number of different characters during password changes ensures that newly changed passwords will not resemble previously compromised ones. Note that passwords changed on compromised systems will still be compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000195</ident><fixtext fixref="F-61777r926322_fix">Configure RHEL 9 to require the change of at least eight of the total number of characters when passwords are changed by setting the "difok" option.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+difok = 8</fixtext><fix id="F-61777r926322_fix" /><check system="C-61853r926321_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the value of the "difok" option in "/etc/security/pwquality.conf" with the following command:
+
+$ sudo grep difok /etc/security/pwquality.conf
+
+difok = 8
+ 
+If the value of "difok" is set to less than "8", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258113"><title>SRG-OS-000072-GPOS-00040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258113r926326_rule" weight="10.0" severity="medium"><version>RHEL-09-611120</version><title>RHEL 9 must require the maximum number of repeating characters of the same character class be limited to four when passwords are changed.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex a password, the greater the number of possible combinations that need to be tested before the password is compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000195</ident><fixtext fixref="F-61778r926325_fix">Configure RHEL 9 to require the change of the number of repeating characters of the same character class when passwords are changed by setting the "maxclassrepeat" option.
+
+Add the following line to "/etc/security/pwquality.conf" conf (or modify the line to have the required value):
+
+maxclassrepeat = 4</fixtext><fix id="F-61778r926325_fix" /><check system="C-61854r926324_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the value of the "maxclassrepeat" option in "/etc/security/pwquality.conf" with the following command:
+
+$ grep maxclassrepeat /etc/security/pwquality.conf 
+
+maxclassrepeat = 4
+
+If the value of "maxclassrepeat" is set to "0", more than "4", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258114"><title>SRG-OS-000072-GPOS-00040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258114r926329_rule" weight="10.0" severity="medium"><version>RHEL-09-611125</version><title>RHEL 9 must require the maximum number of repeating characters be limited to three when passwords are changed.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex a password, the greater the number of possible combinations that need to be tested before the password is compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000195</ident><fixtext fixref="F-61779r926328_fix">Configure RHEL 9 to require the change of the number of repeating consecutive characters when passwords are changed by setting the "maxrepeat" option.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+maxrepeat = 3</fixtext><fix id="F-61779r926328_fix" /><check system="C-61855r926327_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the value of the "maxrepeat" option in "/etc/security/pwquality.conf" with the following command:
+
+$ grep maxrepeat /etc/security/pwquality.conf 
+
+maxrepeat = 3
+
+If the value of "maxrepeat" is set to more than "3", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258115"><title>SRG-OS-000072-GPOS-00040</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258115r926332_rule" weight="10.0" severity="medium"><version>RHEL-09-611130</version><title>RHEL 9 must require the change of at least four character classes when passwords are changed.</title><description>&lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks.
+
+Password complexity is one factor of several that determines how long it takes to crack a password. The more complex a password, the greater the number of possible combinations that need to be tested before the password is compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000195</ident><fixtext fixref="F-61780r926331_fix">Configure RHEL 9 to require the change of at least four character classes when passwords are changed by setting the "minclass" option.
+
+Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
+
+minclass = 4</fixtext><fix id="F-61780r926331_fix" /><check system="C-61856r926330_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the value of the "minclass" option in "/etc/security/pwquality.conf" with the following command:
+
+$ grep minclass /etc/security/pwquality.conf
+ 
+minclass = 4
+
+If the value of "minclass" is set to less than "4", or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258116"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258116r926335_rule" weight="10.0" severity="medium"><version>RHEL-09-611135</version><title>RHEL 9 must be configured so that user and group account administration utilities are configured to store only encrypted representations of passwords.</title><description>&lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. Passwords that are encrypted with a weak algorithm are no more protected than if they are kept in plain text.
+
+This setting ensures user and group account administration utilities are configured to store only encrypted representations of passwords. Additionally, the "crypt_style" configuration option ensures the use of a strong hashing algorithm that makes password cracking attacks more difficult.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><fixtext fixref="F-61781r926334_fix">Configure RHEL 9 to use the SHA-512 algorithm for password hashing.
+
+Add or change the following line in the "[default]" section of "/etc/libuser.conf" file:
+
+crypt_style = sha512</fixtext><fix id="F-61781r926334_fix" /><check system="C-61857r926333_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the user and group account administration utilities are configured to store only encrypted representations of passwords with the following command:
+
+# grep crypt /etc/libuser.conf 
+
+crypt_style = sha512
+
+If the "crypt_style" variable is not set to "sha512", is not in the defaults section, is commented out, or does not exist, this is a finding.</check-content></check></Rule></Group><Group id="V-258117"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258117r926338_rule" weight="10.0" severity="medium"><version>RHEL-09-611140</version><title>RHEL 9 must be configured to use the shadow file to store only encrypted representations of passwords.</title><description>&lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. Passwords that are encrypted with a weak algorithm are no more protected than if they are kept in plain text.
+
+This setting ensures user and group account administration utilities are configured to store only encrypted representations of passwords. Additionally, the "crypt_style" configuration option ensures the use of a strong hashing algorithm that makes password cracking attacks more difficult.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><fixtext fixref="F-61782r926337_fix">Configure RHEL 9 to store only SHA512 encrypted representations of passwords.
+
+Add or update the following line in the "/etc/login.defs" file:
+
+ENCRYPT_METHOD SHA512</fixtext><fix id="F-61782r926337_fix" /><check system="C-61858r926336_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the system's shadow file is configured to store only encrypted representations of passwords with a hash value of SHA512 with the following command:
+
+# grep -i encrypt_method /etc/login.defs
+
+ENCRYPT_METHOD SHA512
+
+If "ENCRYPT_METHOD" does not have a value of "SHA512", or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258118"><title>SRG-OS-000373-GPOS-00156</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258118r926341_rule" weight="10.0" severity="medium"><version>RHEL-09-611145</version><title>RHEL 9 must not be configured to bypass password requirements for privilege escalation.</title><description>&lt;VulnDiscussion&gt;Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operating systems provide the capability to escalate a functional capability, it is critical the user reauthenticate.
+
+Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157, SRG-OS-000373-GPOS-00158&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002038</ident><fixtext fixref="F-61783r926340_fix">Configure the operating system to require users to supply a password for privilege escalation.
+
+Remove any occurrences of " pam_succeed_if " in the  "/etc/pam.d/sudo" file.</fixtext><fix id="F-61783r926340_fix" /><check system="C-61859r926339_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the operating system is not configured to bypass password requirements for privilege escalation with the following command:
+
+$ sudo grep pam_succeed_if /etc/pam.d/sudo 
+
+If any occurrences of "pam_succeed_if" are returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258119"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258119r926344_rule" weight="10.0" severity="medium"><version>RHEL-09-611150</version><title>RHEL 9 shadow password suite must be configured to use a sufficient number of hashing rounds.</title><description>&lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised. Passwords that are encrypted with a weak algorithm are no more protected than if they are kept in plain text.
+
+Using more hashing rounds makes password cracking attacks more difficult.
+
+Satisfies: SRG-OS-000073-GPOS-00041, SRG-OS-000120-GPOS-00061&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61784r926343_fix">Configure RHEL 9 to encrypt all stored passwords with a strong cryptographic hash.
+
+Edit/modify the following line in the "/etc/login.defs" file and set "SHA_CRYPT_MIN_ROUNDS" to a value no lower than "5000":
+
+SHA_CRYPT_MIN_ROUNDS 5000</fixtext><fix id="F-61784r926343_fix" /><check system="C-61860r926342_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has a minimum number of hash rounds configured with the following command:
+
+$ grep -i sha_crypt /etc/login.defs
+
+If "SHA_CRYPT_MIN_ROUNDS" or "SHA_CRYPT_MAX_ROUNDS" is less than "5000", this is a finding.</check-content></check></Rule></Group><Group id="V-258120"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258120r926347_rule" weight="10.0" severity="medium"><version>RHEL-09-611155</version><title>RHEL 9 must not have accounts configured with blank or null passwords.</title><description>&lt;VulnDiscussion&gt;If an account has an empty password, anyone could log in and run commands with the privileges of that account. Accounts with empty passwords should never be used in operational environments.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61785r926346_fix">Configure all accounts on RHEL 9 to have a password or lock the account with the following commands:
+
+Perform a password reset:
+
+$ sudo passwd [username] 
+
+To lock an account:
+
+$ sudo passwd -l [username]</fixtext><fix id="F-61785r926346_fix" /><check system="C-61861r926345_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that null or blank passwords cannot be used with the following command:
+
+$ sudo awk -F: '!$2 {print $1}' /etc/shadow
+
+If the command returns any results, this is a finding.</check-content></check></Rule></Group><Group id="V-258121"><title>SRG-OS-000104-GPOS-00051</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258121r926350_rule" weight="10.0" severity="medium"><version>RHEL-09-611160</version><title>RHEL 9 must use the CAC smart card driver.</title><description>&lt;VulnDiscussion&gt;Smart card login provides two-factor authentication stronger than that provided by a username and password combination. Smart cards leverage public key infrastructure to provide and verify credentials. Configuring the smart card driver in use by the organization helps to prevent users from using unauthorized smart cards.
+
+Satisfies: SRG-OS-000104-GPOS-00051, SRG-OS-000106-GPOS-00053, SRG-OS-000107-GPOS-00054, SRG-OS-000109-GPOS-00056, SRG-OS-000108-GPOS-00055, SRG-OS-000112-GPOS-00057, SRG-OS-000113-GPOS-00058&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000764</ident><ident system="http://cyber.mil/cci">CCI-000766</ident><ident system="http://cyber.mil/cci">CCI-000767</ident><ident system="http://cyber.mil/cci">CCI-000768</ident><ident system="http://cyber.mil/cci">CCI-000770</ident><ident system="http://cyber.mil/cci">CCI-001941</ident><ident system="http://cyber.mil/cci">CCI-001942</ident><fixtext fixref="F-61786r926349_fix">Configure RHEL 9 to load the CAC driver.
+
+Add or modify the following line in the "/etc/opensc.conf" file:
+
+card_drivers = cac;</fixtext><fix id="F-61786r926349_fix" /><check system="C-61862r926348_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL loads the CAC driver with the following command:
+
+$ grep card_drivers /etc/opensc.conf
+
+card_drivers = cac; 
+
+If "cac" is not listed as a card driver, or there is no line returned for "card_drivers", this is a finding.</check-content></check></Rule></Group><Group id="V-258122"><title>SRG-OS-000375-GPOS-00160</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258122r926353_rule" weight="10.0" severity="medium"><version>RHEL-09-611165</version><title>RHEL 9 must enable certificate based smart card authentication.</title><description>&lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor authentication requires using two or more factors to achieve authentication. A privileged account is defined as an information system account with authorizations of a privileged user. The DOD Common Access Card (CAC) with DOD-approved PKI is an example of multifactor authentication.
+
+Satisfies: SRG-OS-000375-GPOS-00160, SRG-OS-000105-GPOS-00052&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000765</ident><ident system="http://cyber.mil/cci">CCI-001948</ident><fixtext fixref="F-61787r926352_fix">Edit the file "/etc/sssd/sssd.conf" and add or edit the following line:
+
+pam_cert_auth = True</fixtext><fix id="F-61787r926352_fix" /><check system="C-61863r926351_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has smart cards are enabled in System Security Services Daemon (SSSD), run the following command:
+
+$ sudo grep pam_cert_auth /etc/sssd/sssd.conf
+
+pam_cert_auth = True 
+
+If "pam_cert_auth" is not set to "True", the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258123"><title>SRG-OS-000375-GPOS-00160</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258123r926356_rule" weight="10.0" severity="medium"><version>RHEL-09-611170</version><title>RHEL 9 must implement certificate status checking for multifactor authentication.</title><description>&lt;VulnDiscussion&gt;Using an authentication device, such as a DOD Common Access Card (CAC) or token that is separate from the information system, ensures that even if the information system is compromised, credentials stored on the authentication device will not be affected.
+
+Multifactor solutions that require devices separate from information systems gaining access include, for example, hardware tokens providing time-based or challenge-response authenticators and smart cards such as the U.S. Government Personal Identity Verification (PIV) card and the DOD CAC.
+
+RHEL 9 includes multiple options for configuring certificate status checking, but for this requirement focuses on the System Security Services Daemon (SSSD). By default, SSSD performs Online Certificate Status Protocol (OCSP) checking and certificate verification using a sha256 digest function.
+
+Satisfies: SRG-OS-000375-GPOS-00160, SRG-OS-000377-GPOS-00162&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001948</ident><ident system="http://cyber.mil/cci">CCI-001954</ident><fixtext fixref="F-61788r926355_fix">Configure RHEL 9 to implement certificate status checking for multifactor authentication.
+
+Review the "/etc/sssd/conf.d/certificate_verification.conf" file to determine if the system is configured to prevent OCSP or certificate verification.
+
+Add the following line to the "/etc/sssd/conf.d/certificate_verification.conf" file:
+
+certificate_verification = ocsp_dgst=sha512
+
+Set the correct ownership and permissions on the "/etc/sssd/conf.d/certificate_verification.conf" file by running these commands:
+
+$ sudo chown root:root "/etc/sssd/conf.d/certificate_verification.conf"
+$ sudo chmod 600 "/etc/sssd/conf.d/certificate_verification.conf"
+
+The "sssd" service must be restarted for the changes to take effect. To restart the "sssd" service, run the following command:
+
+$ sudo systemctl restart sssd.service</fixtext><fix id="F-61788r926355_fix" /><check system="C-61864r926354_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the operating system implements Online Certificate Status Protocol (OCSP) and is using the proper digest value on the system with the following command:
+
+$ sudo grep certificate_verification /etc/sssd/sssd.conf /etc/sssd/conf.d/*.conf | grep -v "^#"
+
+certificate_verification = ocsp_dgst=sha512
+
+If the certificate_verification line is missing from the [sssd] section, or is missing "ocsp_dgst=sha512", ask the administrator to indicate what type of multifactor authentication is being utilized and how the system implements certificate status checking. If there is no evidence of certificate status checking being used, this is a finding.</check-content></check></Rule></Group><Group id="V-258124"><title>SRG-OS-000375-GPOS-00160</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258124r926359_rule" weight="10.0" severity="medium"><version>RHEL-09-611175</version><title>RHEL 9 must have the pcsc-lite package installed.</title><description>&lt;VulnDiscussion&gt;The pcsc-lite package must be installed if it is to be available for multifactor authentication using smart cards.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001948</ident><fixtext fixref="F-61789r926358_fix">The  pcsc-lite  package can be installed with the following command:
+ 
+$ sudo dnf install pcsc-lite</fixtext><fix id="F-61789r926358_fix" /><check system="C-61865r926357_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the pcsc-lite package installed with the following command:
+
+$ sudo dnf list --installed pcsc-lite
+
+Example output:
+
+pcsc-lite.x86_64          1.9.4-1.el9
+
+If the "pcsc-lite" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258125"><title>SRG-OS-000375-GPOS-00160</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258125r926362_rule" weight="10.0" severity="medium"><version>RHEL-09-611180</version><title>The pcscd service on RHEL 9 must be active.</title><description>&lt;VulnDiscussion&gt;The information system ensures that even if the information system is compromised, that compromise will not affect credentials stored on the authentication device.
+
+The daemon program for pcsc-lite and the MuscleCard framework is pcscd. It is a resource manager that coordinates communications with smart card readers and smart cards and cryptographic tokens that are connected to the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001948</ident><fixtext fixref="F-61790r926361_fix">To enable the pcscd service run the following command:
+
+$ sudo systemctl enable --now pcscd</fixtext><fix id="F-61790r926361_fix" /><check system="C-61866r926360_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the "pcscd" service is active with the following command:
+
+$ systemctl is-active pcscd
+
+active
+
+If the pcscdservice is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-258126"><title>SRG-OS-000375-GPOS-00160</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258126r926365_rule" weight="10.0" severity="medium"><version>RHEL-09-611185</version><title>RHEL 9 must have the opensc package installed.</title><description>&lt;VulnDiscussion&gt;The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access.
+
+The DOD has mandated the use of the Common Access Card (CAC) to support identity management and personal authentication for systems covered under Homeland Security Presidential Directive (HSPD) 12, as well as making the CAC a primary component of layered protection for national security systems.
+
+Satisfies: SRG-OS-000375-GPOS-00160, SRG-OS-000376-GPOS-00161&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001948</ident><ident system="http://cyber.mil/cci">CCI-001953</ident><fixtext fixref="F-61791r926364_fix">The opensc package can be installed with the following command:
+ 
+$ sudo dnf install opensc</fixtext><fix id="F-61791r926364_fix" /><check system="C-61867r926363_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the opensc package installed with the following command:
+
+$ sudo dnf list --installed opensc
+
+Example output:
+
+opensc.x86_64          0.22.0-2.el9
+
+If the "opensc" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258127"><title>SRG-OS-000067-GPOS-00035</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258127r926368_rule" weight="10.0" severity="medium"><version>RHEL-09-611190</version><title>RHEL 9, for PKI-based authentication, must enforce authorized access to the corresponding private key.</title><description>&lt;VulnDiscussion&gt;If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the network infrastructure.
+
+The cornerstone of the PKI is the private key used to encrypt or digitally sign information.
+
+If the private key is stolen, this will lead to the compromise of the authentication and nonrepudiation gained through PKI because the attacker can use the private key to digitally sign documents and pretend to be the authorized user.
+
+Both the holders of a digital certificate and the issuing authority must protect the computers, storage devices, or whatever they use to keep the private keys.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000186</ident><fixtext fixref="F-61792r926367_fix">Create a new private and public key pair that utilizes a passcode with the following command:
+
+$ sudo ssh-keygen -n [passphrase]</fixtext><fix id="F-61792r926367_fix" /><check system="C-61868r926366_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the SSH private key files have a passcode.
+
+For each private key stored on the system, use the following command:
+
+$ sudo ssh-keygen -y -f /path/to/file
+
+If the contents of the key are displayed, this is a finding.</check-content></check></Rule></Group><Group id="V-258128"><title>SRG-OS-000080-GPOS-00048</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258128r926371_rule" weight="10.0" severity="medium"><version>RHEL-09-611195</version><title>RHEL 9 must require authentication to access emergency mode.</title><description>&lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-approved PKIs, all DOD systems (e.g., web servers and web portals) must be properly configured to incorporate access control methods that do not rely solely on the possession of a certificate for access. Successful authentication must not automatically give an entity access to an asset or security boundary. Authorization procedures and controls must be implemented to ensure each authenticated entity also has a validated and current authorization. Authorization is the process of determining whether an entity, once authenticated, is permitted to access a specific asset. Information systems use access control policies and enforcement mechanisms to implement this requirement.
+
+This requirement prevents attackers with physical access from trivially bypassing security on the machine and gaining root access. Such accesses are further prevented by configuring the bootloader password.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000213</ident><fixtext fixref="F-61793r926370_fix">Configure RHEL 9 to require authentication for emergency mode.
+
+Add or modify the following line in the "/usr/lib/systemd/system/emergency.service" file:
+
+ExecStart=-/usr/lib/systemd/systemd-sulogin-shell emergency</fixtext><fix id="F-61793r926370_fix" /><check system="C-61869r926369_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 requires authentication for emergency mode with the following command:
+
+$ grep sulogin /usr/lib/systemd/system/emergency.service 
+
+ExecStart=-/usr/lib/systemd/systemd-sulogin-shell emergency
+
+If this line is not returned, or is commented out, this is a finding. If the output is different, this is a finding.</check-content></check></Rule></Group><Group id="V-258129"><title>SRG-OS-000080-GPOS-00048</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258129r926374_rule" weight="10.0" severity="medium"><version>RHEL-09-611200</version><title>RHEL 9 must require authentication to access single-user mode.</title><description>&lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-approved PKIs, all DOD systems (e.g., web servers and web portals) must be properly configured to incorporate access control methods that do not rely solely on the possession of a certificate for access. Successful authentication must not automatically give an entity access to an asset or security boundary. Authorization procedures and controls must be implemented to ensure each authenticated entity also has a validated and current authorization. Authorization is the process of determining whether an entity, once authenticated, is permitted to access a specific asset. Information systems use access control policies and enforcement mechanisms to implement this requirement.
+
+This requirement prevents attackers with physical access from trivially bypassing security on the machine and gaining root access. Such accesses are further prevented by configuring the bootloader password.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000213</ident><fixtext fixref="F-61794r926373_fix">Configure RHEL 9 to require authentication for single-user mode.
+
+Add or modify the following line in the "/usr/lib/systemd/system/rescue.service" file:
+
+ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue</fixtext><fix id="F-61794r926373_fix" /><check system="C-61870r926372_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 requires authentication for single-user mode with the following command:
+
+$ grep sulogin /usr/lib/systemd/system/rescue.service 
+
+ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue
+
+If this line is not returned, or is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258130"><title>SRG-OS-000120-GPOS-00061</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258130r926377_rule" weight="10.0" severity="medium"><version>RHEL-09-611205</version><title>RHEL 9 must prevent system daemons from using Kerberos for authentication.</title><description>&lt;VulnDiscussion&gt;Unapproved mechanisms used for authentication to the cryptographic module are not verified; therefore, cannot be relied upon to provide confidentiality or integrity and DOD data may be compromised.
+
+RHEL 9 systems utilizing encryption are required to use FIPS-compliant mechanisms for authenticating to cryptographic modules.
+
+The key derivation function (KDF) in Kerberos is not FIPS compatible. Ensuring the system does not have any keytab files present prevents system daemons from using Kerberos for authentication. A keytab is a file containing pairs of Kerberos principals and encrypted keys.
+
+FIPS 140-3 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meets DOD requirements. This allows for Security Levels 1, 2, 3, or 4 for use on a general-purpose computing system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61795r926376_fix">Configure RHEL 9 to prevent system daemons from using Kerberos for authentication.
+
+Remove any files with the .keytab extension from the operating system.
+
+rm -f /etc/*.keytab</fixtext><fix id="F-61795r926376_fix" /><check system="C-61871r926375_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 prevents system daemons from using Kerberos for authentication with the following command:
+
+$ sudo ls -al /etc/*.keytab
+
+ls: cannot access '/etc/*.keytab': No such file or directory 
+
+If this command produces any "keytab" file(s), this is a finding.</check-content></check></Rule></Group><Group id="V-258131"><title>SRG-OS-000066-GPOS-00034</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258131r926380_rule" weight="10.0" severity="medium"><version>RHEL-09-631010</version><title>RHEL 9, for PKI-based authentication, must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.</title><description>&lt;VulnDiscussion&gt;Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate not already explicitly trusted.
+
+A trust anchor is an authoritative entity represented via a public key and associated data. It is used in the context of public key infrastructures, X.509 digital certificates, and DNSSEC.
+
+When there is a chain of trust, usually the top entity to be trusted becomes the trust anchor; it can be, for example, a Certification Authority (CA). A certification path starts with the subject certificate and proceeds through a number of intermediate certificates up to a trusted root certificate, typically issued by a trusted CA.
+
+This requirement verifies that a certification path to an accepted trust anchor is used for certificate validation and that the path includes status information. Path validation is necessary for a relying party to make an informed trust decision when presented with any certificate not already explicitly trusted. Status information for certification paths includes certificate revocation lists or online certificate status protocol responses. Validation of the certificate status information is out of scope for this requirement.
+
+Satisfies: SRG-OS-000066-GPOS-00034, SRG-OS-000384-GPOS-00167&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000185</ident><ident system="http://cyber.mil/cci">CCI-001991</ident><fixtext fixref="F-61796r926379_fix">Configure RHEL 9, for PKI-based authentication, to validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.
+
+Obtain a valid copy of the DoD root CA file from the PKI CA certificate bundle from cyber.mil and copy the DoD_PKE_CA_chain.pem into the following file:
+/etc/sssd/pki/sssd_auth_ca_db.pem</fixtext><fix id="F-61796r926379_fix" /><check system="C-61872r926378_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 for PKI-based authentication has valid certificates by constructing a certification path (which includes status information) to an accepted trust anchor.
+
+Check that the system has a valid DoD root CA installed with the following command:
+
+$ sudo openssl x509 -text -in /etc/sssd/pki/sssd_auth_ca_db.pem
+
+Example output:
+
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 1 (0x1)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C = US, O = U.S. Government, OU = DoD, OU = PKI, CN = DoD Root CA 3
+        Validity
+        Not Before: Mar 20 18:46:41 2012 GMT
+        Not After: Dec 30 18:46:41 2029 GMT
+        Subject: C = US, O = U.S. Government, OU = DoD, OU = PKI, CN = DoD Root CA 3
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+
+If the root CA file is not a DoD-issued certificate with a valid date and installed in the "/etc/sssd/pki/sssd_auth_ca_db.pem" location, this is a finding.</check-content></check></Rule></Group><Group id="V-258132"><title>SRG-OS-000068-GPOS-00036</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258132r926383_rule" weight="10.0" severity="medium"><version>RHEL-09-631015</version><title>RHEL 9 must map the authenticated identity to the user or group account for PKI-based authentication.</title><description>&lt;VulnDiscussion&gt;Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the individual user or group will not be available for forensic analysis.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000187</ident><fixtext fixref="F-61797r926382_fix">Configure RHEL 9 to map the authenticated identity to the user or group account by adding or modifying the certmap section of the "/etc/sssd/sssd.conf" file based on the following example:
+
+[certmap/testing.test/rule_name]
+matchrule = .*EDIPI@mil
+maprule = (userCertificate;binary={cert!bin})
+dmains = testing.test
+
+The "sssd" service must be restarted for the changes to take effect. To restart the "sssd" service, run the following command:
+
+$ sudo systemctl restart sssd.service</fixtext><fix id="F-61797r926382_fix" /><check system="C-61873r926381_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the certificate of the user or group is mapped to the corresponding user or group in the "sssd.conf" file with the following command:
+
+$ sudo cat /etc/sssd/sssd.conf 
+ 
+[certmap/testing.test/rule_name]
+matchrule =&lt;SAN&gt;.*EDIPI@mil
+maprule = (userCertificate;binary={cert!bin})
+domains = testing.test
+
+If the certmap section does not exist, ask the system administrator (SA) to indicate how certificates are mapped to accounts. If there is no evidence of certificate mapping, this is a finding.</check-content></check></Rule></Group><Group id="V-258133"><title>SRG-OS-000383-GPOS-00166</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258133r926386_rule" weight="10.0" severity="medium"><version>RHEL-09-631020</version><title>RHEL 9 must prohibit the use of cached authenticators after one day.</title><description>&lt;VulnDiscussion&gt;If cached authentication information is out-of-date, the validity of the authentication information may be questionable.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002007</ident><fixtext fixref="F-61798r926385_fix">Configure the SSSD to prohibit the use of cached authentications after one day.
+
+Add or change the following line in "/etc/sssd/sssd.conf" just below the line [pam]:
+
+offline_credentials_expiration = 1</fixtext><fix id="F-61798r926385_fix" /><check system="C-61874r926384_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the System Security Services Daemon (SSSD) prohibits the use of cached authentications after one day.
+
+Note: If smart card authentication is not being used on the system, this requirement is Not Applicable.
+
+Check that SSSD allows cached authentications with the following command:
+
+$ sudo grep cache_credentials /etc/sssd/sssd.conf
+
+cache_credentials = true
+
+If "cache_credentials" is set to "false" or missing from the configuration file, this is not a finding and no further checks are required.
+
+If "cache_credentials" is set to "true", check that SSSD prohibits the use of cached authentications after one day with the following command:
+
+$ sudo grep offline_credentials_expiration  /etc/sssd/sssd.conf
+
+offline_credentials_expiration = 1
+
+If "offline_credentials_expiration" is not set to a value of "1", this is a finding.</check-content></check></Rule></Group><Group id="V-258134"><title>SRG-OS-000363-GPOS-00150</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258134r926389_rule" weight="10.0" severity="medium"><version>RHEL-09-651010</version><title>RHEL 9 must have the AIDE package installed.</title><description>&lt;VulnDiscussion&gt;Without verification of the security functions, security functions may not operate correctly, and the failure may go unnoticed. Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing the system security policy and supporting the isolation of code and data on which the protection is based. Security functionality includes, but is not limited to, establishing system accounts, configuring access authorizations (i.e., permissions, privileges), setting events to be audited, and setting intrusion detection parameters.
+
+Satisfies: SRG-OS-000363-GPOS-00150, SRG-OS-000445-GPOS-00199&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001744</ident><ident system="http://cyber.mil/cci">CCI-002696</ident><fixtext fixref="F-61799r926388_fix">Install AIDE, initialize it, and perform a manual check.
+
+Install AIDE:
+
+$ sudo dnf install aide
+
+Initialize AIDE:
+     
+$ sudo /usr/sbin/aide --init
+
+Example output:
+
+Start timestamp: 2023-06-05 10:09:04 -0600 (AIDE 0.16)
+AIDE initialized database at /var/lib/aide/aide.db.new.gz
+
+Number of entries:      86833
+
+---------------------------------------------------
+The attributes of the (uncompressed) database(s):
+---------------------------------------------------
+
+/var/lib/aide/aide.db.new.gz
+  MD5      : coZUtPHhoFoeD7+k54fUvQ==
+  SHA1     : DVpOEMWJwo0uPgrKZAygIUgSxeM=
+  SHA256   : EQiZH0XNEk001tcDmJa+5STFEjDb4MPE
+             TGdBJ/uvZKc=
+  SHA512   : 86KUqw++PZhoPK0SZvT3zuFq9yu9nnPP
+             toei0nENVELJ1LPurjoMlRig6q69VR8l
+             +44EwO9eYyy9nnbzQsfG1g==
+
+End timestamp: 2023-06-05 10:09:57 -0600 (run time: 0m 53s)
+
+The new database will need to be renamed to be read by AIDE:
+
+$ sudo mv /var/lib/aide/aide.db.new.gz /var/lib/aide/aide.db.gz
+
+Perform a manual check:
+
+$ sudo /usr/sbin/aide --check
+
+Example output:
+
+2023-06-05 10:16:08 -0600 (AIDE 0.16)
+AIDE found NO differences between database and filesystem. Looks okay!!
+
+...</fixtext><fix id="F-61799r926388_fix" /><check system="C-61875r926387_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the Advanced Intrusion Detection Environment (AIDE) package installed with the following command:
+
+$ sudo dnf list --installed aide
+
+Example output:
+
+aide.x86_64          0.16.100.el9
+
+If AIDE is not installed, ask the system administrator (SA) how file integrity checks are performed on the system. 
+
+If there is no application installed to perform integrity checks, this is a finding.
+
+If AIDE is installed, check if it has been initialized with the following command:
+
+$ sudo /usr/sbin/aide --check
+
+If the output is "Couldn't open file /var/lib/aide/aide.db.gz for reading", this is a finding.</check-content></check></Rule></Group><Group id="V-258135"><title>SRG-OS-000363-GPOS-00150</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258135r926392_rule" weight="10.0" severity="medium"><version>RHEL-09-651015</version><title>RHEL 9 must routinely check the baseline configuration for unauthorized changes and notify the system administrator when anomalies in the operation of any security functions are discovered.</title><description>&lt;VulnDiscussion&gt;Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized access to the operating system. Changes to operating system configurations can have unintended side effects, some of which may be relevant to security.
+
+Detecting such changes and providing an automated response can help avoid unintended, negative consequences that could ultimately affect the security state of the operating system. The operating system's information management officer (IMO)/information system security officer (ISSO) and system administrators (SAs) must be notified via email and/or monitoring system trap when there is an unauthorized modification of a configuration item.
+
+Notifications provided by information systems include messages to local computer consoles, and/or hardware indications, such as lights.
+
+This capability must take into account operational requirements for availability for selecting an appropriate response. The organization may choose to shut down or restart the information system upon security function anomaly detection.
+
+Satisfies: SRG-OS-000363-GPOS-00150, SRG-OS-000446-GPOS-00200, SRG-OS-000447-GPOS-00201&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001744</ident><ident system="http://cyber.mil/cci">CCI-002699</ident><ident system="http://cyber.mil/cci">CCI-002702</ident><fixtext fixref="F-61800r926391_fix">Configure the file integrity tool to run automatically on the system at least weekly and to notify designated personnel if baseline configurations are changed in an unauthorized manner. The AIDE tool can be configured to email designated personnel with the use of the cron system.
+ 
+The following example output is generic. It will set cron to run AIDE daily and to send email at the completion of the analysis
+
+$ sudo more /etc/cron.daily/aide
+ 
+#!/bin/bash
+/usr/sbin/aide --check | /bin/mail -s "$HOSTNAME - Daily aide integrity check run" root@sysname.mil</fixtext><fix id="F-61800r926391_fix" /><check system="C-61876r926390_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 routinely executes a file integrity scan for changes to the system baseline. The command used in the example will use a daily occurrence.
+
+Check the cron directories for scripts controlling the execution and notification of results of the file integrity application. For example, if AIDE is installed on the system, use the following commands:
+
+$ ls -al /etc/cron.* | grep aide
+
+-rwxr-xr-x 1 root root 29 Nov 22 2015 aide
+
+$ grep aide /etc/crontab /var/spool/cron/root
+
+/etc/crontab: 30 04 * * * root usr/sbin/aide
+/var/spool/cron/root: 30 04 * * * root usr/sbin/aide
+
+$ sudo more /etc/cron.daily/aide
+
+#!/bin/bash
+/usr/sbin/aide --check | /bin/mail -s "$HOSTNAME - Daily aide integrity check run" root@sysname.mil
+
+If the file integrity application does not exist, or a script file controlling the execution of the file integrity application does not exist, or the file integrity application does not notify designated personnel of changes, this is a finding.</check-content></check></Rule></Group><Group id="V-258136"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258136r926395_rule" weight="10.0" severity="medium"><version>RHEL-09-651020</version><title>RHEL 9 must use a file integrity tool that is configured to use FIPS 140-3-approved cryptographic hashes for validating file contents and directories.</title><description>&lt;VulnDiscussion&gt;RHEL 9 installation media ships with an optional file integrity tool called Advanced Intrusion Detection Environment (AIDE). AIDE is highly configurable at install time. This requirement assumes the "aide.conf" file is under the "/etc" directory.
+
+File integrity tools use cryptographic hashes for verifying file contents and directories have not been altered. These hashes must be FIPS 140-2/140-3-approved cryptographic hashes.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61801r926394_fix">Configure the file integrity tool to use FIPS 140-2/140-3 cryptographic hashes for validating file and directory contents. 
+
+If AIDE is installed, ensure the "sha512" rule is present on all uncommented file and directory selection lists. Exclude any log files, or files expected to change frequently, to reduce unnecessary notifications.</fixtext><fix id="F-61801r926394_fix" /><check system="C-61877r926393_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that AIDE is configured to use FIPS 140-2/140-3 file hashing with the following command:
+
+$ grep sha512 /etc/aide.conf 
+
+All=p+i+n+u+g+s+m+S+sha512+acl+xattrs+selinux
+
+If the "sha512" rule is not being used on all uncommented selection lines in the "/etc/aide.conf" file, or another file integrity tool is not using FIPS 140-2/140-3-approved cryptographic hashes for validating file contents and directories, this is a finding.</check-content></check></Rule></Group><Group id="V-258137"><title>SRG-OS-000256-GPOS-00097</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258137r926398_rule" weight="10.0" severity="medium"><version>RHEL-09-651025</version><title>RHEL 9 must use cryptographic mechanisms to protect the integrity of audit tools.</title><description>&lt;VulnDiscussion&gt;Protecting the integrity of the tools used for auditing purposes is a critical step toward ensuring the integrity of audit information. Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully audit information system activity.
+
+Audit tools include, but are not limited to, vendor-provided and open-source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators.
+
+It is not uncommon for attackers to replace the audit tools or inject code into the existing tools to provide the capability to hide or erase system activity from the audit logs.
+
+To address this risk, audit tools must be cryptographically signed to provide the capability to identify when the audit tools have been modified, manipulated, or replaced. An example is a checksum hash of the file or files.
+
+Satisfies: SRG-OS-000256-GPOS-00097, SRG-OS-000257-GPOS-00098, SRG-OS-000258-GPOS-00099, SRG-OS-000278-GPOS-00108&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001493</ident><ident system="http://cyber.mil/cci">CCI-001494</ident><ident system="http://cyber.mil/cci">CCI-001495</ident><ident system="http://cyber.mil/cci">CCI-001496</ident><fixtext fixref="F-61802r926397_fix">Add or update the following lines to "/etc/aide.conf", to protect the integrity of the audit tools.
+ 
+/usr/sbin/auditctl p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/auditd p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/ausearch p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/aureport p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/autrace p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/autrace p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/augenrules p+i+n+u+g+s+b+acl+xattrs+sha512</fixtext><fix id="F-61802r926397_fix" /><check system="C-61878r926396_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Check that AIDE is properly configured to protect the integrity of the audit tools with the following command:
+
+$ sudo cat /etc/aide.conf | grep /usr/sbin/au
+
+/usr/sbin/auditctl p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/auditd p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/ausearch p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/aureport p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/autrace p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/autrace p+i+n+u+g+s+b+acl+xattrs+sha512
+/usr/sbin/augenrules p+i+n+u+g+s+b+acl+xattrs+sha512
+ 
+If AIDE is not installed, ask the system administrator (SA) how file integrity checks are performed on the system.
+
+If any of the audit tools listed above do not have a corresponding line, ask the SA to indicate what cryptographic mechanisms are being used to protect the integrity of the audit tools.  If there is no evidence of integrity protection, this is a finding.</check-content></check></Rule></Group><Group id="V-258138"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258138r926401_rule" weight="10.0" severity="low"><version>RHEL-09-651030</version><title>RHEL 9 must be configured so that the file integrity tool verifies Access Control Lists (ACLs).</title><description>&lt;VulnDiscussion&gt;RHEL 9 installation media ships with an optional file integrity tool called Advanced Intrusion Detection Environment (AIDE). AIDE is highly configurable at install time. This requirement assumes the "aide.conf" file is under the "/etc" directory.
+
+ACLs can provide permissions beyond those permitted through the file mode and must be verified by the file integrity tools.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61803r926400_fix">Configure the file integrity tool to check file and directory ACLs. 
+
+If AIDE is installed, ensure the "acl" rule is present on all uncommented file and directory selection lists.</fixtext><fix id="F-61803r926400_fix" /><check system="C-61879r926399_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that that AIDE is verifying ACLs with the following command:
+
+$ grep acl /etc/aide.conf 
+
+All= p+i+n+u+g+s+m+S+sha512+acl+xattrs+selinux
+
+If the "acl" rule is not being used on all uncommented selection lines in the "/etc/aide.conf" file, or ACLs are not being checked by another file integrity tool, this is a finding.</check-content></check></Rule></Group><Group id="V-258139"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258139r926404_rule" weight="10.0" severity="low"><version>RHEL-09-651035</version><title>RHEL 9 must be configured so that the file integrity tool verifies extended attributes.</title><description>&lt;VulnDiscussion&gt;RHEL 9 installation media ships with an optional file integrity tool called Advanced Intrusion Detection Environment (AIDE). AIDE is highly configurable at install time. This requirement assumes the "aide.conf" file is under the "/etc" directory.
+
+Extended attributes in file systems are used to contain arbitrary data and file metadata with security implications.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61804r926403_fix">Configure the file integrity tool to check file and directory extended attributes. 
+
+If AIDE is installed, ensure the "xattrs" rule is present on all uncommented file and directory selection lists.</fixtext><fix id="F-61804r926403_fix" /><check system="C-61880r926402_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that AIDE is configured to verify extended attributes with the following command:
+
+$ grep xattrs /etc/aide.conf 
+
+All= p+i+n+u+g+s+m+S+sha512+acl+xattrs+selinux
+
+If the "xattrs" rule is not being used on all uncommented selection lines in the "/etc/aide.conf" file, or extended attributes are not being checked by another file integrity tool, this is a finding.</check-content></check></Rule></Group><Group id="V-258140"><title>SRG-OS-000479-GPOS-00224</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258140r926407_rule" weight="10.0" severity="medium"><version>RHEL-09-652010</version><title>RHEL 9 must have the rsyslog package installed.</title><description>&lt;VulnDiscussion&gt;rsyslogd is a system utility providing support for message logging. Support for both internet and Unix domain sockets enables this utility to support both local and remote logging. Couple this utility with "gnutls" (which is a secure communications library implementing the SSL, TLS, and DTLS protocols), to create a method to securely encrypt and offload auditing.
+
+Satisfies: SRG-OS-000479-GPOS-00224, SRG-OS-000051-GPOS-00024, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000154</ident><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61805r926406_fix">The rsyslogd package can be installed with the following command:
+ 
+$ sudo dnf install rsyslogd</fixtext><fix id="F-61805r926406_fix" /><check system="C-61881r926405_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the rsyslogd package installed with the following command:
+
+$ sudo dnf list --installed rsyslog
+
+Example output:
+
+rsyslog.x86_64          8.2102.0-101.el9_0.1
+
+If the "rsyslogd" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258141"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258141r926410_rule" weight="10.0" severity="medium"><version>RHEL-09-652015</version><title>RHEL 9 must have the packages required for encrypting offloaded audit logs installed.</title><description>&lt;VulnDiscussion&gt;The rsyslog-gnutls package provides Transport Layer Security (TLS) support for the rsyslog daemon, which enables secure remote logging.
+
+Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000120-GPOS-00061&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61806r926409_fix">The  rsyslog-gnutls package can be installed with the following command:
+ 
+$ sudo dnf install rsyslog-gnutls</fixtext><fix id="F-61806r926409_fix" /><check system="C-61882r926408_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the rsyslog-gnutls package installed with the following command:
+
+$ sudo dnf list --installed rsyslog-gnutls
+
+Example output:
+
+rsyslog-gnutls.x86_64          8.2102.0-101.el9_0.1
+
+If the "rsyslog-gnutls" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258142"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258142r926413_rule" weight="10.0" severity="medium"><version>RHEL-09-652020</version><title>The rsyslog service on RHEL 9 must be active.</title><description>&lt;VulnDiscussion&gt;The "rsyslog" service must be running to provide logging services, which are essential to system administration.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61807r926412_fix">To enable the rsyslog service, run the following command:
+
+$ sudo systemctl enable --now rsyslog</fixtext><fix id="F-61807r926412_fix" /><check system="C-61883r926411_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "rsyslog" is active with the following command:
+
+$ systemctl is-active rsyslog 
+
+active
+
+If the rsyslog service is not active, this is a finding.</check-content></check></Rule></Group><Group id="V-258143"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258143r926416_rule" weight="10.0" severity="medium"><version>RHEL-09-652025</version><title>RHEL 9 must be configured so that the rsyslog daemon does not accept log messages from other servers unless the server is being used for log aggregation.</title><description>&lt;VulnDiscussion&gt;Unintentionally running a rsyslog server accepting remote messages puts the system at increased risk. Malicious rsyslog messages sent to the server could exploit vulnerabilities in the server software itself, could introduce misleading information into the system's logs, or could fill the system's storage leading to a denial of service.
+
+If the system is intended to be a log aggregation server, its use must be documented with the information system security officer (ISSO).&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61808r926415_fix">Configure RHEL 9 to not receive remote logs using rsyslog.
+
+Remove the lines in /etc/rsyslog.conf and any files in the /etc/rsyslog.d directory that match any of the following:
+
+$ModLoad imtcp
+$ModLoad imudp
+$ModLoad imrelp
+$InputTCPServerRun [0-9]*
+$UDPServerRun [0-9]*
+$InputRELPServerRun [0-9]*
+
+The rsyslog daemon must be restarted for the changes to take effect:
+
+$ sudo systemctl restart rsyslog.service</fixtext><fix id="F-61808r926415_fix" /><check system="C-61884r926414_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is not configured to receive remote logs using rsyslog with the following commands:
+
+$ grep -i modload /etc/rsyslog.conf /etc/rsyslog.d/*
+$ModLoad imtcp
+$ModLoad imrelp
+
+$ grep -i serverrun /etc/rsyslog.conf /etc/rsyslog.d/*
+$InputTCPServerRun 514
+$InputRELPServerRun 514
+
+Note: An error about no files or directories may be returned. This is not a finding.
+
+If any lines are returned by the command, then rsyslog is configured to receive remote messages, and this is a finding.</check-content></check></Rule></Group><Group id="V-258144"><title>SRG-OS-000032-GPOS-00013</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258144r926419_rule" weight="10.0" severity="medium"><version>RHEL-09-652030</version><title>All RHEL 9 remote access methods must be monitored.</title><description>&lt;VulnDiscussion&gt;Logging remote access methods can be used to trace the decrease in the risks associated with remote user access management. It can also be used to spot cyberattacks and ensure ongoing compliance with organizational policies surrounding the use of remote access methods.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000067</ident><fixtext fixref="F-61809r926418_fix">Add or update the following lines to the "/etc/rsyslog.conf" file:
+
+auth.*;authpriv.*;daemon.* /var/log/secure
+
+The "rsyslog" service must be restarted for the changes to take effect with the following command:
+
+$ sudo systemctl restart rsyslog.service</fixtext><fix id="F-61809r926418_fix" /><check system="C-61885r926417_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 monitors all remote access methods.
+
+Check that remote access methods are being logged by running the following command:
+
+$ grep -rE '(auth.\*|authpriv.\*|daemon.\*)' /etc/rsyslog.conf
+
+/etc/rsyslog.conf:authpriv.*
+ 
+If "auth.*", "authpriv.*" or "daemon.*" are not configured to be logged, this is a finding.</check-content></check></Rule></Group><Group id="V-258145"><title>SRG-OS-000342-GPOS-00133</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258145r926422_rule" weight="10.0" severity="medium"><version>RHEL-09-652035</version><title>RHEL 9 must be configured to offload audit records onto a different system from the system being audited via syslog.</title><description>&lt;VulnDiscussion&gt;The auditd service does not include the ability to send audit records to a centralized server for management directly. However, it can use a plug-in for audit event multiplexor (audispd) to pass audit records to the local syslog server.
+
+Satisfies: SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61810r926421_fix">Edit the /etc/audit/plugins.d/syslog.conf file and add or update the "active" option:
+
+active = yes
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61810r926421_fix" /><check system="C-61886r926420_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 is configured use the audisp-remote syslog service with the following command:
+
+$ sudo grep active /etc/audit/plugins.d/syslog.conf 
+
+active = yes
+
+If the "active" keyword does not have a value of "yes", the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258146"><title>SRG-OS-000342-GPOS-00133</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258146r926425_rule" weight="10.0" severity="medium"><version>RHEL-09-652040</version><title>RHEL 9 must authenticate the remote logging server for offloading audit logs via rsyslog.</title><description>&lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
+
+Offloading is a common process in information systems with limited audit storage capacity.
+
+RHEL 9 installation media provides "rsyslogd", a system utility providing support for message logging. Support for both internet and Unix domain sockets enables this utility to support both local and remote logging. Coupling this utility with "gnutls" (a secure communications library implementing the SSL, TLS and DTLS protocols) creates a method to securely encrypt and offload auditing.
+
+"Rsyslog" supported authentication modes include:
+anon - anonymous authentication
+x509/fingerprint - certificate fingerprint authentication
+x509/certvalid - certificate validation only
+x509/name - certificate validation and subject name authentication
+
+Satisfies: SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61811r926424_fix">Configure RHEL 9 to authenticate the remote logging server for offloading audit logs by setting the following option in "/etc/rsyslog.conf" or "/etc/rsyslog.d/[customfile].conf":
+
+$ActionSendStreamDriverAuthMode x509/name</fixtext><fix id="F-61811r926424_fix" /><check system="C-61887r926423_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 authenticates the remote logging server for offloading audit logs with the following command:
+
+$ sudo grep -i '$ActionSendStreamDriverAuthMode' /etc/rsyslog.conf /etc/rsyslog.d/*.conf 
+
+ /etc/rsyslog.conf:$ActionSendStreamDriverAuthMode x509/name 
+
+If the value of the "$ActionSendStreamDriverAuthMode" option is not set to "x509/name" or the line is commented out, ask the system administrator (SA) to indicate how the audit logs are offloaded to a different system or media. 
+
+If there is no evidence that the transfer of the audit logs being offloaded to another system or media is encrypted, this is a finding.</check-content></check></Rule></Group><Group id="V-258147"><title>SRG-OS-000342-GPOS-00133</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258147r926428_rule" weight="10.0" severity="medium"><version>RHEL-09-652045</version><title>RHEL 9 must encrypt the transfer of audit records offloaded onto a different system or media from the system being audited via rsyslog.</title><description>&lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
+
+Offloading is a common process in information systems with limited audit storage capacity.
+
+RHEL 9 installation media provides "rsyslogd", a system utility providing support for message logging. Support for both internet and Unix domain sockets enables this utility to support both local and remote logging. Coupling this utility with "gnutls" (a secure communications library implementing the SSL, TLS and DTLS protocols) creates a method to securely encrypt and offload auditing.
+
+"Rsyslog" supported authentication modes include:
+anon - anonymous authentication
+x509/fingerprint - certificate fingerprint authentication
+x509/certvalid - certificate validation only
+x509/name - certificate validation and subject name authentication
+
+Satisfies: SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61812r926427_fix">Configure RHEL 9 to encrypt offloaded audit records via rsyslog by setting the following options in "/etc/rsyslog.conf" or "/etc/rsyslog.d/[customfile].conf":
+
+$ActionSendStreamDriverMode 1</fixtext><fix id="F-61812r926427_fix" /><check system="C-61888r926426_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 encrypts audit records offloaded onto a different system or media from the system being audited via rsyslog with the following command:
+
+$ sudo grep -i '$ActionSendStreamDriverMode' /etc/rsyslog.conf /etc/rsyslog.d/*.conf 
+
+/etc/rsyslog.conf:$ActionSendStreamDriverMode 1 
+
+If the value of the "$ActionSendStreamDriverMode" option is not set to "1" or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258148"><title>SRG-OS-000342-GPOS-00133</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258148r926431_rule" weight="10.0" severity="medium"><version>RHEL-09-652050</version><title>RHEL 9 must encrypt via the gtls driver the transfer of audit records offloaded onto a different system or media from the system being audited via rsyslog.</title><description>&lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
+
+Offloading is a common process in information systems with limited audit storage capacity.
+
+RHEL 9 installation media provides "rsyslogd", a system utility providing support for message logging. Support for both internet and Unix domain sockets enables this utility to support both local and remote logging. Coupling this utility with "gnutls" (a secure communications library implementing the SSL, TLS and DTLS protocols) creates a method to securely encrypt and offload auditing.
+
+Satisfies: SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61813r926430_fix">Configure RHEL 9 to use the gtls driver to encrypt offloaded audit records by setting the following options in "/etc/rsyslog.conf" or "/etc/rsyslog.d/[customfile].conf":
+
+$DefaultNetstreamDriver gtls</fixtext><fix id="F-61813r926430_fix" /><check system="C-61889r926429_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 uses the gtls driver to encrypt audit records offloaded onto a different system or media from the system being audited with the following command:
+
+$ sudo grep -i '$DefaultNetstreamDriver' /etc/rsyslog.conf /etc/rsyslog.d/*.conf 
+
+/etc/rsyslog.conf:$DefaultNetstreamDriver gtls 
+
+If the value of the "$DefaultNetstreamDriver" option is not set to "gtls" or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258149"><title>SRG-OS-000479-GPOS-00224</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258149r926434_rule" weight="10.0" severity="medium"><version>RHEL-09-652055</version><title>RHEL 9 must be configured to forward audit records via TCP to a different system or media from the system being audited via rsyslog.</title><description>&lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
+
+Offloading is a common process in information systems with limited audit storage capacity.
+
+RHEL 9 installation media provides "rsyslogd", a system utility providing support for message logging. Support for both internet and Unix domain sockets enables this utility to support both local and remote logging. Coupling this utility with "gnutls" (a secure communications library implementing the SSL, TLS and DTLS protocols) creates a method to securely encrypt and offload auditing.
+
+Rsyslog provides three ways to forward message: the traditional UDP transport, which is extremely lossy but standard; the plain TCP based transport, which loses messages only during certain situations but is widely available; and the RELP transport, which does not lose messages but is currently available only as part of the rsyslogd 3.15.0 and above.
+
+Examples of each configuration:
+UDP *.* @remotesystemname
+TCP *.* @@remotesystemname
+RELP *.* :omrelp:remotesystemname:2514
+Note that a port number was given as there is no standard port for RELP.
+
+Satisfies: SRG-OS-000479-GPOS-00224, SRG-OS-000480-GPOS-00227, SRG-OS-000342-GPOS-00133&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61814r926433_fix">Configure RHEL 9 to offload audit records onto a different system or media from the system being audited via TCP using rsyslog by specifying the remote logging server in "/etc/rsyslog.conf"" or "/etc/rsyslog.d/[customfile].conf" with the name or IP address of the log aggregation server.
+
+*.* @@[remoteloggingserver]:[port]"</fixtext><fix id="F-61814r926433_fix" /><check system="C-61890r926432_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 audit system offloads audit records onto a different system or media from the system being audited via rsyslog using TCP with the following command:
+
+$ sudo grep @@ /etc/rsyslog.conf /etc/rsyslog.d/*.conf
+
+/etc/rsyslog.conf:*.* @@[remoteloggingserver]:[port]
+
+If a remote server is not configured, or the line is commented out, ask the system administrator (SA) to indicate how the audit logs are offloaded to a different system or media. 
+
+If there is no evidence that the audit logs are being offloaded to another system or media, this is a finding.</check-content></check></Rule></Group><Group id="V-258150"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258150r926437_rule" weight="10.0" severity="medium"><version>RHEL-09-652060</version><title>RHEL 9 must use cron logging.</title><description>&lt;VulnDiscussion&gt;Cron logging can be used to trace the successful or unsuccessful execution of cron jobs. It can also be used to spot intrusions into the use of the cron facility by unauthorized and malicious users.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61815r926436_fix">Configure "rsyslog" to log all cron messages by adding or updating the following line to "/etc/rsyslog.conf" or a configuration file in the /etc/rsyslog.d/ directory:
+
+cron.* /var/log/cron
+
+The rsyslog daemon must be restarted for the changes to take effect:
+
+$ sudo systemctl restart rsyslog.service</fixtext><fix id="F-61815r926436_fix" /><check system="C-61891r926435_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that "rsyslog" is configured to log cron events with the following command:
+
+Note: If another logging package is used, substitute the utility configuration file for "/etc/rsyslog.conf" or "/etc/rsyslog.d/*.conf" files.
+
+$ sudo grep -s cron /etc/rsyslog.conf /etc/rsyslog.d/*.conf
+
+/etc/rsyslog.conf:*.info;mail.none;authpriv.none;cron.none                          /var/log/messages
+/etc/rsyslog.conf:cron.*                                                           /var/log/cron             
+
+If the command does not return a response, check for cron logging all facilities with the following command:
+
+$ sudo grep -s /var/log/messages /etc/rsyslog.conf /etc/rsyslog.d/*.conf
+
+/etc/rsyslog.conf:*.info;mail.none;authpriv.none;cron.none                          /var/log/messages
+
+If "rsyslog" is not logging messages for the cron facility or all facilities, this is a finding.</check-content></check></Rule></Group><Group id="V-258151"><title>SRG-OS-000062-GPOS-00031</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258151r926440_rule" weight="10.0" severity="medium"><version>RHEL-09-653010</version><title>RHEL 9 audit package must be installed.</title><description>&lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack.
+
+Audit record content that may be necessary to satisfy this requirement includes, for example, time stamps, source and destination addresses, user/process identifiers, event descriptions, success/fail indications, filenames involved, and access control or flow control rules invoked.
+
+Associating event types with detected events in audit logs provides a means of investigating an attack, recognizing resource utilization or capacity thresholds, or identifying an improperly configured RHEL 9 system.
+
+Satisfies: SRG-OS-000062-GPOS-00031, SRG-OS-000037-GPOS-00015, SRG-OS-000038-GPOS-00016, SRG-OS-000039-GPOS-00017, SRG-OS-000040-GPOS-00018, SRG-OS-000041-GPOS-00019, SRG-OS-000042-GPOS-00021, SRG-OS-000051-GPOS-00024, SRG-OS-000054-GPOS-00025, SRG-OS-000122-GPOS-00063, SRG-OS-000254-GPOS-00095, SRG-OS-000255-GPOS-00096, SRG-OS-000337-GPOS-00129, SRG-OS-000348-GPOS-00136, SRG-OS-000349-GPOS-00137, SRG-OS-000350-GPOS-00138, SRG-OS-000351-GPOS-00139, SRG-OS-000352-GPOS-00140, SRG-OS-000353-GPOS-00141, SRG-OS-000354-GPOS-00142, SRG-OS-000358-GPOS-00145, SRG-OS-000365-GPOS-00152, SRG-OS-000392-GPOS-00172, SRG-OS-000475-GPOS-00220, SRG-OS-000055-GPOS-00026&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000131</ident><ident system="http://cyber.mil/cci">CCI-000132</ident><ident system="http://cyber.mil/cci">CCI-000133</ident><ident system="http://cyber.mil/cci">CCI-000134</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000154</ident><ident system="http://cyber.mil/cci">CCI-000158</ident><ident system="http://cyber.mil/cci">CCI-000159</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001464</ident><ident system="http://cyber.mil/cci">CCI-001487</ident><ident system="http://cyber.mil/cci">CCI-001814</ident><ident system="http://cyber.mil/cci">CCI-001875</ident><ident system="http://cyber.mil/cci">CCI-001876</ident><ident system="http://cyber.mil/cci">CCI-001877</ident><ident system="http://cyber.mil/cci">CCI-001878</ident><ident system="http://cyber.mil/cci">CCI-001879</ident><ident system="http://cyber.mil/cci">CCI-001880</ident><ident system="http://cyber.mil/cci">CCI-001881</ident><ident system="http://cyber.mil/cci">CCI-001882</ident><ident system="http://cyber.mil/cci">CCI-001889</ident><ident system="http://cyber.mil/cci">CCI-001914</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61816r926439_fix">Install the audit service package (if the audit service is not already installed) with the following command:
+
+$ sudo dnf install audit</fixtext><fix id="F-61816r926439_fix" /><check system="C-61892r926438_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 audit service package is installed.
+
+Check that the audit service package is installed with the following command:
+
+$ sudo dnf list --installed audit
+
+Example output:
+
+audit-3.0.7-101.el9_0.2.x86_64
+
+If the "audit" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258152"><title>SRG-OS-000062-GPOS-00031</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258152r926443_rule" weight="10.0" severity="medium"><version>RHEL-09-653015</version><title>RHEL 9 audit service must be enabled.</title><description>&lt;VulnDiscussion&gt;Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Ensuring the "auditd" service is active ensures audit records generated by the kernel are appropriately recorded.
+
+Additionally, a properly configured audit subsystem ensures that actions of individual system users can be uniquely traced to those users so they can be held accountable for their actions.
+
+Satisfies: SRG-OS-000062-GPOS-00031, SRG-OS-000037-GPOS-00015, SRG-OS-000038-GPOS-00016, SRG-OS-000039-GPOS-00017, SRG-OS-000040-GPOS-00018, SRG-OS-000041-GPOS-00019, SRG-OS-000042-GPOS-00021, SRG-OS-000051-GPOS-00024, SRG-OS-000054-GPOS-00025, SRG-OS-000122-GPOS-00063, SRG-OS-000254-GPOS-00095, SRG-OS-000255-GPOS-00096, SRG-OS-000337-GPOS-00129, SRG-OS-000348-GPOS-00136, SRG-OS-000349-GPOS-00137, SRG-OS-000350-GPOS-00138, SRG-OS-000351-GPOS-00139, SRG-OS-000352-GPOS-00140, SRG-OS-000353-GPOS-00141, SRG-OS-000354-GPOS-00142, SRG-OS-000358-GPOS-00145, SRG-OS-000365-GPOS-00152, SRG-OS-000392-GPOS-00172, SRG-OS-000475-GPOS-00220&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000131</ident><ident system="http://cyber.mil/cci">CCI-000132</ident><ident system="http://cyber.mil/cci">CCI-000133</ident><ident system="http://cyber.mil/cci">CCI-000134</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000154</ident><ident system="http://cyber.mil/cci">CCI-000158</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001464</ident><ident system="http://cyber.mil/cci">CCI-001487</ident><ident system="http://cyber.mil/cci">CCI-001814</ident><ident system="http://cyber.mil/cci">CCI-001875</ident><ident system="http://cyber.mil/cci">CCI-001876</ident><ident system="http://cyber.mil/cci">CCI-001877</ident><ident system="http://cyber.mil/cci">CCI-001878</ident><ident system="http://cyber.mil/cci">CCI-001879</ident><ident system="http://cyber.mil/cci">CCI-001880</ident><ident system="http://cyber.mil/cci">CCI-001881</ident><ident system="http://cyber.mil/cci">CCI-001882</ident><ident system="http://cyber.mil/cci">CCI-001889</ident><ident system="http://cyber.mil/cci">CCI-001914</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61817r926442_fix">To enable the auditd service run the following command:
+
+$ sudo systemctl enable --now auditd</fixtext><fix id="F-61817r926442_fix" /><check system="C-61893r926441_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit service is configured to produce audit records with the following command:
+
+$ systemctl status auditd.service
+
+auditd.service - Security Auditing Service
+Loaded:loaded (/usr/lib/systemd/system/auditd.service; enabled; vendor preset: enabled)
+Active: active (running) since Tues 2022-05-24 12:56:56 EST; 4 weeks 0 days ago
+
+If the audit service is not "active" and "running", this is a finding.</check-content></check></Rule></Group><Group id="V-258153"><title>SRG-OS-000047-GPOS-00023</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258153r926446_rule" weight="10.0" severity="medium"><version>RHEL-09-653020</version><title>RHEL 9 audit system must take appropriate action when an error writing to the audit storage volume occurs.</title><description>&lt;VulnDiscussion&gt;It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mitigate the failure. Audit processing failures include software/hardware errors; failures in the audit capturing mechanisms; and audit storage capacity being reached or exceeded. Responses to audit failure depend upon the nature of the failure mode.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000140</ident><fixtext fixref="F-61818r926445_fix">Configure RHEL 9 to shut down by default upon audit failure (unless availability is an overriding concern).
+
+Add or update the following line (depending on configuration "disk_error_action" can be set to "SYSLOG" or "SINGLE" depending on configuration) in "/etc/audit/auditd.conf" file:
+
+disk_error_action = HALT
+
+If availability has been determined to be more important, and this decision is documented with the information system security officer (ISSO), configure the operating system to notify SA staff and ISSO staff in the event of an audit processing failure by setting the "disk_error_action" to "SYSLOG".</fixtext><fix id="F-61818r926445_fix" /><check system="C-61894r926444_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 takes the appropriate action when an audit processing failure occurs.
+
+Check that RHEL 9 takes the appropriate action when an audit processing failure occurs with the following command:
+
+$ sudo grep disk_error_action /etc/audit/auditd.conf
+
+disk_error_action = HALT
+
+If the value of the "disk_error_action" option is not "SYSLOG", "SINGLE", or "HALT", or the line is commented out, ask the system administrator (SA) to indicate how the system takes appropriate action when an audit process failure occurs. If there is no evidence of appropriate action, this is a finding.</check-content></check></Rule></Group><Group id="V-258154"><title>SRG-OS-000047-GPOS-00023</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258154r926449_rule" weight="10.0" severity="medium"><version>RHEL-09-653025</version><title>RHEL 9 audit system must take appropriate action when the audit storage volume is full.</title><description>&lt;VulnDiscussion&gt;It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mitigate the failure. Audit processing failures include software/hardware errors; failures in the audit capturing mechanisms; and audit storage capacity being reached or exceeded. Responses to audit failure depend upon the nature of the failure mode.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000140</ident><fixtext fixref="F-61819r926448_fix">Configure RHEL 9 to shut down by default upon audit failure (unless availability is an overriding concern).
+
+Add or update the following line (depending on configuration "disk_full_action" can be set to "SYSLOG" or "SINGLE" depending on configuration) in "/etc/audit/auditd.conf" file:
+
+disk_full_action = HALT
+
+If availability has been determined to be more important, and this decision is documented with the information system security officer (ISSO), configure the operating system to notify SA staff and ISSO staff in the event of an audit processing failure by setting the "disk_full_action" to "SYSLOG".</fixtext><fix id="F-61819r926448_fix" /><check system="C-61895r926447_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 takes the appropriate action when the audit storage volume is full. 
+
+Check that RHEL 9 takes the appropriate action when the audit storage volume is full with the following command:
+
+$ sudo grep disk_full_action /etc/audit/auditd.conf
+
+disk_full_action = HALT
+
+If the value of the "disk_full_action" option is not "SYSLOG", "SINGLE", or "HALT", or the line is commented out, ask the system administrator (SA) to indicate how the system takes appropriate action when an audit storage volume is full. If there is no evidence of appropriate action, this is a finding.</check-content></check></Rule></Group><Group id="V-258155"><title>SRG-OS-000341-GPOS-00132</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258155r926452_rule" weight="10.0" severity="medium"><version>RHEL-09-653030</version><title>RHEL 9 must allocate audit record storage capacity to store at least one week's worth of audit records.</title><description>&lt;VulnDiscussion&gt;To ensure RHEL 9 systems have a sufficient storage capacity in which to write the audit logs, RHEL 9 needs to be able to allocate audit record storage capacity.
+
+The task of allocating audit record storage capacity is usually performed during initial installation of RHEL 9.
+
+Satisfies: SRG-OS-000341-GPOS-00132, SRG-OS-000342-GPOS-00133&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001849</ident><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61820r926451_fix">Allocate enough storage capacity for at least one week of audit records when audit records are not immediately sent to a central audit record storage facility.
+
+If audit records are stored on a partition made specifically for audit records, resize the partition with sufficient space to contain one week of audit records.
+
+If audit records are not stored on a partition made specifically for audit records, a new partition with sufficient space will need be to be created.</fixtext><fix id="F-61820r926451_fix" /><check system="C-61896r926450_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 allocates audit record storage capacity to store at least one week of audit records when audit records are not immediately sent to a central audit record storage facility.
+
+Note: The partition size needed to capture a week of audit records is based on the activity level of the system and the total storage capacity available. Typically 10.0 GB of storage space for audit records should be sufficient.
+
+Determine which partition the audit records are being written to with the following command:
+
+$ sudo grep log_file /etc/audit/auditd.conf
+log_file = /var/log/audit/audit.log 
+
+Check the size of the partition that audit records are written to with the following command and verify whether it is sufficiently large:
+
+ # df -h /var/log/audit/
+/dev/sda2 24G 10.4G 13.6G 43% /var/log/audit 
+
+If the audit record partition is not allocated for sufficient storage capacity, this is a finding.</check-content></check></Rule></Group><Group id="V-258156"><title>SRG-OS-000343-GPOS-00134</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258156r926455_rule" weight="10.0" severity="medium"><version>RHEL-09-653035</version><title>RHEL 9 must take action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.</title><description>&lt;VulnDiscussion&gt;If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001855</ident><fixtext fixref="F-61821r926454_fix">Configure RHEL 9 to initiate an action to notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity by adding/modifying the following line in the /etc/audit/auditd.conf file.
+
+space_left  = 25%</fixtext><fix id="F-61821r926454_fix" /><check system="C-61897r926453_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 takes action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity with the following command:
+
+$ sudo grep -w space_left /etc/audit/auditd.conf
+
+space_left = 25%
+
+If the value of the "space_left" keyword is not set to 25 percent of the storage volume allocated to audit logs, or if the line is commented out, ask the system administrator (SA) to indicate how the system is providing real-time alerts to the SA and information system security officer (ISSO). If the "space_left" value is not configured to the correct value, this is a finding.</check-content></check></Rule></Group><Group id="V-258157"><title>SRG-OS-000343-GPOS-00134</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258157r926458_rule" weight="10.0" severity="medium"><version>RHEL-09-653040</version><title>RHEL 9 must notify the system administrator (SA) and information system security officer (ISSO) (at a minimum) when allocated audit record storage volume 75 percent utilization.</title><description>&lt;VulnDiscussion&gt;If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001855</ident><fixtext fixref="F-61822r926457_fix">Configure RHEL 9 to initiate an action to notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity by adding/modifying the following line in the /etc/audit/auditd.conf file.
+
+space_left_action = email</fixtext><fix id="F-61822r926457_fix" /><check system="C-61898r926456_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 notifies the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity with the following command:
+
+$ sudo grep -w space_left_action /etc/audit/auditd.conf
+
+space_left_action = email
+
+If the value of the "space_left_action" is not set to "email", or if the line is commented out, ask the SA to indicate how the system is providing real-time alerts to the SA and ISSO.
+
+If there is no evidence that real-time alerts are configured on the system, this is a finding.</check-content></check></Rule></Group><Group id="V-258158"><title>SRG-OS-000343-GPOS-00134</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258158r926461_rule" weight="10.0" severity="medium"><version>RHEL-09-653045</version><title>RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the audit record storage capacity.</title><description>&lt;VulnDiscussion&gt;If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volume reaches capacity.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001855</ident><fixtext fixref="F-61823r926460_fix">Configure RHEL 9 to initiate an action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity by adding/modifying the following line in the /etc/audit/auditd.conf file.
+
+admin_space_left  = 5%</fixtext><fix id="F-61823r926460_fix" /><check system="C-61899r926459_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 takes action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity with the following command:
+
+$ sudo grep -w admin_space_left /etc/audit/auditd.conf
+
+admin_space_left = 5%
+
+If the value of the "admin_space_left" keyword is not set to 5 percent of the storage volume allocated to audit logs, or if the line is commented out, ask the system administrator (SA) to indicate how the system is taking action if the allocated storage is about to reach capacity. If the "space_left" value is not configured to the correct value, this is a finding.</check-content></check></Rule></Group><Group id="V-258159"><title>SRG-OS-000343-GPOS-00134</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258159r926464_rule" weight="10.0" severity="medium"><version>RHEL-09-653050</version><title>RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity.</title><description>&lt;VulnDiscussion&gt;If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volume reaches capacity.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001855</ident><fixtext fixref="F-61824r926463_fix">Configure "auditd" service  to take action in the event of allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity.
+
+Edit the following line in "/etc/audit/auditd.conf" to ensure that the system is forced into single user mode in the event the audit record storage volume is about to reach maximum capacity:
+
+admin_space_left_action = single 
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61824r926463_fix" /><check system="C-61900r926462_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to take action in the event of allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity with the following command:
+
+$ sudo grep admin_space_left_action /etc/audit/auditd.conf
+
+admin_space_left_action = single
+
+If the value of the "admin_space_left_action" is not set to "single", or if the line is commented out, ask the system administrator (SA) to indicate how the system is providing real-time alerts to the SA and information system security officer (ISSO).
+
+If there is no evidence that real-time alerts are configured on the system, this is a finding.</check-content></check></Rule></Group><Group id="V-258160"><title>SRG-OS-000047-GPOS-00023</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258160r926467_rule" weight="10.0" severity="medium"><version>RHEL-09-653055</version><title>RHEL 9 audit system must take appropriate action when the audit files have reached maximum size.</title><description>&lt;VulnDiscussion&gt;It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mitigate the failure. Audit processing failures include software/hardware errors; failures in the audit capturing mechanisms; and audit storage capacity being reached or exceeded. Responses to audit failure depend upon the nature of the failure mode.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000140</ident><fixtext fixref="F-61825r926466_fix">Configure RHEL 9 to rotate the audit log when it reaches maximum size.
+
+Add or update the following line in "/etc/audit/auditd.conf" file:
+
+max_log_file_action = ROTATE</fixtext><fix id="F-61825r926466_fix" /><check system="C-61901r926465_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 takes the appropriate action when the audit files have reached maximum size with the following command:
+
+$ sudo grep max_log_file_action /etc/audit/auditd.conf
+
+max_log_file_action = ROTATE
+
+If the value of the "max_log_file_action" option is not "ROTATE", "SINGLE", or the line is commented out, ask the system administrator (SA)to indicate how the system takes appropriate action when an audit storage volume is full. If there is no evidence of appropriate action, this is a finding.</check-content></check></Rule></Group><Group id="V-258161"><title>SRG-OS-000039-GPOS-00017</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258161r926470_rule" weight="10.0" severity="medium"><version>RHEL-09-653060</version><title>RHEL 9 must label all offloaded audit logs before sending them to the central log server.</title><description>&lt;VulnDiscussion&gt;Enriched logging is needed to determine who, what, and when events occur on a system. Without this, determining root cause of an event will be much more difficult.
+
+When audit logs are not labeled before they are sent to a central log server, the audit data will not be able to be analyzed and tied back to the correct system.
+
+Satisfies: SRG-OS-000039-GPOS-00017, SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000132</ident><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61826r926469_fix">Edit the /etc/audit/auditd.conf file and add or update the "name_format" option:
+
+name_format = hostname
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61826r926469_fix" /><check system="C-61902r926468_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 Audit Daemon is configured to label all offloaded audit logs, with the following command:
+
+$ sudo grep name_format /etc/audit/auditd.conf
+
+name_format = hostname
+
+If the "name_format" option is not "hostname", "fqd", or "numeric", or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258162"><title>SRG-OS-000342-GPOS-00133</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258162r926473_rule" weight="10.0" severity="medium"><version>RHEL-09-653065</version><title>RHEL 9 must take appropriate action when the internal event queue is full.</title><description>&lt;VulnDiscussion&gt;The audit system should have an action setup in the event the internal event queue becomes full so that no data is lost.  Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
+
+Offloading is a common process in information systems with limited audit storage capacity.
+
+Satisfies: SRG-OS-000342-GPOS-00133, SRG-OS-000479-GPOS-00224&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61827r926472_fix">Edit the /etc/audit/auditd.conf file and add or update the "overflow_action" option:
+
+overflow_action = syslog
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61827r926472_fix" /><check system="C-61903r926471_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 audit system is configured to take an appropriate action when the internal event queue is full:
+
+$ sudo grep -i overflow_action /etc/audit/auditd.conf 
+
+overflow_action = syslog
+
+If the value of the "overflow_action" option is not set to "syslog", "single", "halt" or the line is commented out, ask the system administrator (SA) to indicate how the audit logs are offloaded to a different system or media.
+
+If there is no evidence that the transfer of the audit logs being offloaded to another system or media takes appropriate action if the internal event queue becomes full, this is a finding.</check-content></check></Rule></Group><Group id="V-258163"><title>SRG-OS-000046-GPOS-00022</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258163r926476_rule" weight="10.0" severity="medium"><version>RHEL-09-653070</version><title>RHEL 9 System Administrator (SA) and/or information system security officer (ISSO) (at a minimum) must be alerted of an audit processing failure event.</title><description>&lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability, and system operation may be adversely affected.
+
+Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded.
+
+This requirement applies to each audit data storage repository (i.e., distinct information system component where audit records are stored), the centralized audit storage capacity of organizations (i.e., all audit data storage repositories combined), or both.
+
+Satisfies: SRG-OS-000046-GPOS-00022, SRG-OS-000343-GPOS-00134&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000139</ident><ident system="http://cyber.mil/cci">CCI-001855</ident><fixtext fixref="F-61828r926475_fix">Configure "auditd" service to notify the SA and ISSO in the event of an audit processing failure.
+
+Edit the following line in "/etc/audit/auditd.conf" to ensure that administrators are notified via email for those situations:
+
+action_mail_acct = root
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61828r926475_fix" /><check system="C-61904r926474_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to notify the SA and/or ISSO (at a minimum) in the event of an audit processing failure with the following command:
+
+$ sudo grep action_mail_acct /etc/audit/auditd.conf
+
+action_mail_acct = root
+
+If the value of the "action_mail_acct" keyword is not set to "root" and/or other accounts for security personnel, the "action_mail_acct" keyword is missing, or the retuned line is commented out, ask the SA to indicate how they and the ISSO are notified of an audit process failure. If there is no evidence of the proper personnel being notified of an audit processing failure, this is a finding.</check-content></check></Rule></Group><Group id="V-258164"><title>SRG-OS-000062-GPOS-00031</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258164r926479_rule" weight="10.0" severity="medium"><version>RHEL-09-653075</version><title>RHEL 9 audit system must audit local events.</title><description>&lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack.
+
+If option "local_events" isn't set to "yes" only events from network will be aggregated.
+
+Satisfies: SRG-OS-000062-GPOS-00031, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61829r926478_fix">Configure RHEL 9 to generate audit records for local events by adding or updating the following line in "/etc/audit/auditd.conf":
+
+local_events = yes 
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61829r926478_fix" /><check system="C-61905r926477_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the RHEL 9 audit system is configured to audit local events with the following command:
+
+$ sudo grep local_events /etc/audit/auditd.conf 
+
+local_events = yes 
+
+If "local_events" isn't set to "yes", if the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258165"><title>SRG-OS-000057-GPOS-00027</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258165r926482_rule" weight="10.0" severity="medium"><version>RHEL-09-653080</version><title>RHEL 9 audit logs must be group-owned by root or by a restricted logging group to prevent unauthorized read access.</title><description>&lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality.
+
+Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029, SRG-OS-000206-GPOS-00084&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000162</ident><ident system="http://cyber.mil/cci">CCI-000163</ident><ident system="http://cyber.mil/cci">CCI-000164</ident><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61830r926481_fix">Change the group of the directory of "/var/log/audit" to be owned by a correct group.
+
+Identify the group that is configured to own audit log:
+
+$ sudo grep -P '^[ ]*log_group[ ]+=.*$' /etc/audit/auditd.conf
+
+Change the ownership to that group:
+
+$ sudo chgrp ${GROUP} /var/log/audit</fixtext><fix id="F-61830r926481_fix" /><check system="C-61906r926480_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit logs are group-owned by "root" or a restricted logging group. 
+
+First determine if a group other than "root" has been assigned to the audit logs with the following command:
+
+$ sudo grep log_group /etc/audit/auditd.conf
+
+Then determine where the audit logs are stored with the following command:
+
+$ sudo grep -iw log_file /etc/audit/auditd.conf
+
+log_file = /var/log/audit/audit.log
+
+Then using the location of the audit log file, determine if the audit log is group-owned by "root" using the following command:
+
+$ sudo stat -c "%G %n" /var/log/audit/audit.log
+
+root /var/log/audit/audit.log
+
+If the audit log is not group-owned by "root" or the configured alternative logging group, this is a finding.</check-content></check></Rule></Group><Group id="V-258166"><title>SRG-OS-000057-GPOS-00027</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258166r926485_rule" weight="10.0" severity="medium"><version>RHEL-09-653085</version><title>RHEL 9 audit log directory must be owned by root to prevent unauthorized read access.</title><description>&lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality.
+
+Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029, SRG-OS-000206-GPOS-00084&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000162</ident><ident system="http://cyber.mil/cci">CCI-000163</ident><ident system="http://cyber.mil/cci">CCI-000164</ident><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61831r926484_fix">Configure the audit log to be protected from unauthorized read access by setting the correct owner as "root" with the following command:
+
+$ sudo chown root /var/log/audit</fixtext><fix id="F-61831r926484_fix" /><check system="C-61907r926483_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit logs directory is owned by "root". 
+
+First determine where the audit logs are stored with the following command:
+
+$ sudo grep -iw log_file /etc/audit/auditd.conf
+
+log_file = /var/log/audit/audit.log
+
+Then using the location of the audit log file, determine if the audit log directory is owned by "root" using the following command:
+
+$ sudo ls -ld /var/log/audit
+
+drwx------ 2 root root 23 Jun 11 11:56 /var/log/audit
+
+If the audit log directory is not owned by "root", this is a finding.</check-content></check></Rule></Group><Group id="V-258167"><title>SRG-OS-000057-GPOS-00027</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258167r926488_rule" weight="10.0" severity="medium"><version>RHEL-09-653090</version><title>RHEL 9 audit logs file must have mode 0600 or less permissive to prevent unauthorized access to the audit log.</title><description>&lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the RHEL 9 system or platform. Additionally, Personally Identifiable Information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.
+
+The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.
+
+Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029, SRG-OS-000206-GPOS-00084&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000162</ident><ident system="http://cyber.mil/cci">CCI-000163</ident><ident system="http://cyber.mil/cci">CCI-000164</ident><ident system="http://cyber.mil/cci">CCI-001314</ident><fixtext fixref="F-61832r926487_fix">Configure the audit logs to have a mode of "0600" with the following command:
+
+Replace "[audit_log_file]" to the correct audit log path, by default this location is "/var/log/audit/audit.log".
+
+$ sudo chmod 0600 /var/log/audit/[audit_log_file]
+
+Check the group that owns the system audit logs:
+
+$ sudo grep -m 1 -q ^log_group /etc/audit/auditd.conf
+
+If the log_group is not defined or it is set to root, configure the permissions the following way:
+
+$ sudo chmod 0640 $log_file
+$ sudo chmod 0440 $log_file.*
+
+Otherwise, configure the permissions the following way:
+
+$ sudo chmod 0600 $log_file
+$ sudo chmod 0400 $log_file.*</fixtext><fix id="F-61832r926487_fix" /><check system="C-61908r926486_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit logs have a mode of "0600". 
+
+First determine where the audit logs are stored with the following command:
+
+$ sudo grep -iw log_file /etc/audit/auditd.conf
+
+log_file = /var/log/audit/audit.log
+
+Then using the location of the audit log file, determine if the audit log files as a mode of "0640" with the following command:
+
+$ sudo ls -la /var/log/audit/*.log
+
+rw-------. 2 root root 237923 Jun 11 11:56 /var/log/audit/audit.log
+
+If the audit logs have a mode more permissive than "0600", this is a finding.</check-content></check></Rule></Group><Group id="V-258168"><title>SRG-OS-000051-GPOS-00024</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258168r926491_rule" weight="10.0" severity="medium"><version>RHEL-09-653095</version><title>RHEL 9 must periodically flush audit records to disk to prevent the loss of audit records.</title><description>&lt;VulnDiscussion&gt;If option "freq" is not set to a value that requires audit records being written to disk after a threshold number is reached, then audit records may be lost.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000154</ident><fixtext fixref="F-61833r926490_fix">Configure RHEL 9 to flush audit to disk by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+freq = 100
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61833r926490_fix" /><check system="C-61909r926489_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that audit system is configured to flush to disk after every 100 records with the following command:
+
+$ sudo grep freq /etc/audit/auditd.conf 
+
+freq = 100 
+
+If "freq" isn't set to a value of "100" or greater, the value is missing, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258169"><title>SRG-OS-000255-GPOS-00096</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258169r926494_rule" weight="10.0" severity="medium"><version>RHEL-09-653100</version><title>RHEL 9 must produce audit records containing information to establish the identity of any individual or process associated with the event.</title><description>&lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack.
+
+Audit record content that may be necessary to satisfy this requirement includes, for example, time stamps, source and destination addresses, user/process identifiers, event descriptions, success/fail indications, filenames involved, and access control or flow control rules invoked.
+
+Enriched logging aids in making sense of who, what, and when events occur on a system. Without this, determining root cause of an event will be much more difficult.
+
+Satisfies: SRG-OS-000255-GPOS-00096, SRG-OS-000480-GPOS-00227&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><ident system="http://cyber.mil/cci">CCI-001487</ident><fixtext fixref="F-61834r926493_fix">Edit the /etc/audit/auditd.conf file and add or update the "log_format" option:
+
+log_format = ENRICHED
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61834r926493_fix" /><check system="C-61910r926492_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 audit system is configured to resolve audit information before writing to disk, with the following command:
+
+$ sudo grep log_format /etc/audit/auditd.conf
+
+log_format = ENRICHED
+
+If the "log_format" option is not "ENRICHED", or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258170"><title>SRG-OS-000480-GPOS-00227</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258170r926497_rule" weight="10.0" severity="medium"><version>RHEL-09-653105</version><title>RHEL 9 must write audit records to disk.</title><description>&lt;VulnDiscussion&gt;Audit data should be synchronously written to disk to ensure log integrity. This setting assures that all audit event data is written disk.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000366</ident><fixtext fixref="F-61835r926496_fix">Configure the audit system to write log files to the disk.
+
+Edit the /etc/audit/auditd.conf file and add or update the "write_logs" option to "yes":
+
+write_logs = yes 
+
+The audit daemon must be restarted for changes to take effect.</fixtext><fix id="F-61835r926496_fix" /><check system="C-61911r926495_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the audit system is configured to write logs to the disk with the following command:
+
+$ sudo grep write_logs /etc/audit/auditd.conf 
+
+write_logs = yes 
+
+If "write_logs" does not have a value of "yes", the line is commented out, or the line is missing, this is a finding.</check-content></check></Rule></Group><Group id="V-258171"><title>SRG-OS-000063-GPOS-00032</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258171r926500_rule" weight="10.0" severity="medium"><version>RHEL-09-653110</version><title>RHEL 9 must allow only the information system security manager (ISSM) (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.</title><description>&lt;VulnDiscussion&gt;Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel may be able to prevent the auditing of critical events. Misconfigured audits may degrade the system's performance by overwhelming the audit log. Misconfigured audits may also make it more difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000171</ident><fixtext fixref="F-61836r926499_fix">Configure the files in directory "/etc/audit/rules.d/" and the "/etc/audit/auditd.conf" file to have a mode of "0640" with the following commands:
+
+$ sudo chmod 0640 /etc/audit/rules.d/audit.rules
+$ sudo chmod 0640 /etc/audit/rules.d/[customrulesfile].rules
+$ sudo chmod 0640 /etc/audit/auditd.conf</fixtext><fix id="F-61836r926499_fix" /><check system="C-61912r926498_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the files in directory "/etc/audit/rules.d/" and "/etc/audit/auditd.conf" file have a mode of "0640" or less permissive with the following command:
+
+$ sudo stat -c "%a %n"  /etc/audit/rules.d/*.rules
+
+640 /etc/audit/rules.d/audit.rules 
+
+If the files in the "/etc/audit/rules.d/" directory or the "/etc/audit/auditd.conf" file have a mode more permissive than "0640", this is a finding.</check-content></check></Rule></Group><Group id="V-258172"><title>SRG-OS-000063-GPOS-00032</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258172r926503_rule" weight="10.0" severity="medium"><version>RHEL-09-653115</version><title>RHEL 9 /etc/audit/auditd.conf file must have 0640 or less permissive to prevent unauthorized access.</title><description>&lt;VulnDiscussion&gt;Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel may be able to prevent the auditing of critical events. Misconfigured audits may degrade the system's performance by overwhelming the audit log. Misconfigured audits may also make it more difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000171</ident><fixtext fixref="F-61837r926502_fix">Set the mode of /etc/audit/auditd.conf file to 0640 with the command:
+
+$ sudo chmod 0640 /etc/audit/auditd.conf</fixtext><fix id="F-61837r926502_fix" /><check system="C-61913r926501_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the mode of /etc/audit/auditd.conf with the command:
+
+$ sudo stat -c "%a %n" /etc/audit/auditd.conf
+
+640 /etc/audit/auditd.conf
+
+If "/etc/audit/auditd.conf" does not have a mode of "0640", this is a finding.</check-content></check></Rule></Group><Group id="V-258173"><title>SRG-OS-000254-GPOS-00095</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258173r926506_rule" weight="10.0" severity="low"><version>RHEL-09-653120</version><title>RHEL 9 must allocate an audit_backlog_limit of sufficient size to capture processes that start prior to the audit daemon.</title><description>&lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+If auditing is enabled late in the startup process, the actions of some startup processes may not be audited. Some audit systems also maintain state information only available if auditing is enabled before a given process is created.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+Allocating an audit_backlog_limit of sufficient size is critical in maintaining a stable boot process. With an insufficient limit allocated, the system is susceptible to boot failures and crashes.
+
+Satisfies: SRG-OS-000254-GPOS-00095, SRG-OS-000341-GPOS-00132&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001464</ident><ident system="http://cyber.mil/cci">CCI-001849</ident><fixtext fixref="F-61838r926505_fix">Configure RHEL 9 to allocate sufficient audit_backlog_limit to capture processes that start prior to the audit daemon with the following command:
+
+$ sudo grubby --update-kernel=ALL --args=audit_backlog_limit=8192</fixtext><fix id="F-61838r926505_fix" /><check system="C-61914r926504_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 allocates a sufficient audit_backlog_limit to capture processes that start prior to the audit daemon with the following command:
+
+$ sudo grubby --info=ALL | grep args | grep -v 'audit_backlog_limit=8192' 
+
+If the command returns any outputs, and audit_backlog_limit is less than "8192", this is a finding.</check-content></check></Rule></Group><Group id="V-258174"><title>SRG-OS-000046-GPOS-00022</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258174r926509_rule" weight="10.0" severity="medium"><version>RHEL-09-653125</version><title>RHEL 9 must have mail aliases to notify the information system security officer (ISSO) and system administrator (SA) (at a minimum) in the event of an audit processing failure.</title><description>&lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability, and system operation may be adversely affected.
+
+Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded.
+
+This requirement applies to each audit data storage repository (i.e., distinct information system component where audit records are stored), the centralized audit storage capacity of organizations (i.e., all audit data storage repositories combined), or both.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000139</ident><fixtext fixref="F-61839r926508_fix">Edit the aliases map file (by default /etc/aliases) used by Postfix and configure a root alias (using the user ISSO as an example):
+
+root:    ISSO
+
+and then update the aliases database with the command:
+
+$ sudo newaliases</fixtext><fix id="F-61839r926508_fix" /><check system="C-61915r926507_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to notify the appropriate interactive users in the event of an audit processing failure.
+
+Find the alias maps that are being used with the following command:
+
+$ postconf alias_maps 
+
+alias_maps = hash:/etc/aliases
+
+Query the Postfix alias maps for an alias for the root user with the following command:
+
+$ postmap -q root hash:/etc/aliases
+isso
+
+If an alias is not set, this is a finding.</check-content></check></Rule></Group><Group id="V-258175"><title>SRG-OS-000342-GPOS-00133</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258175r926512_rule" weight="10.0" severity="medium"><version>RHEL-09-653130</version><title>RHEL 9 audispd-plugins package must be installed.</title><description>&lt;VulnDiscussion&gt;"audispd-plugins" provides plugins for the real-time interface to the audit subsystem, "audispd". These plugins can do things like relay events to remote machines or analyze events for suspicious behavior.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001851</ident><fixtext fixref="F-61840r926511_fix">The audispd-plugins package can be installed with the following command:
+ 
+$ sudo dnf install audispd-plugins</fixtext><fix id="F-61840r926511_fix" /><check system="C-61916r926510_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 has the audispd-plugins package for installed with the following command:
+
+$ sudo dnf list --installed audispd-plugins
+
+Example output:
+
+audispd-plugins.x86_64          3.0.7-101.el9_0.2
+
+If the "audispd-plugins" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258176"><title>SRG-OS-000326-GPOS-00126</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258176r926515_rule" weight="10.0" severity="medium"><version>RHEL-09-654010</version><title>RHEL 9 must audit uses of the "execve" system call.</title><description>&lt;VulnDiscussion&gt;Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts on organizations. Auditing the use of privileged functions is one way to detect such misuse and identify the risk from insider threats and the advanced persistent threat.
+
+Satisfies: SRG-OS-000326-GPOS-00126, SRG-OS-000327-GPOS-00127&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002233</ident><ident system="http://cyber.mil/cci">CCI-002234</ident><fixtext fixref="F-61841r926514_fix">Configure RHEL 9 to audit the execution of the "execve" system call.
+
+Add or update the following file system rules to "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F arch=b32 -S execve -C uid!=euid -F euid=0 -k execpriv 
+-a always,exit -F arch=b64 -S execve -C uid!=euid -F euid=0 -k execpriv
+-a always,exit -F arch=b32 -S execve -C gid!=egid -F egid=0 -k execpriv 
+-a always,exit -F arch=b64 -S execve -C gid!=egid -F egid=0 -k execpriv 
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61841r926514_fix" /><check system="C-61917r926513_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "execve" system call with the following command:
+
+$ sudo auditctl -l | grep execve
+
+-a always,exit -F arch=b32 -S execve -C uid!=euid -F euid=0 -k execpriv 
+-a always,exit -F arch=b64 -S execve -C uid!=euid -F euid=0 -k execpriv
+-a always,exit -F arch=b32 -S execve -C gid!=egid -F egid=0 -k execpriv 
+-a always,exit -F arch=b64 -S execve -C gid!=egid -F egid=0 -k execpriv
+
+If the command does not return all lines, or the lines are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258177"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258177r926518_rule" weight="10.0" severity="medium"><version>RHEL-09-654015</version><title>RHEL 9 must audit all uses of the chmod, fchmod, and fchmodat system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000064-GPOS-00033, SRG-OS-000466-GPOS-00210, SRG-OS-000458-GPOS-00203&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61842r926517_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "chmod", "fchmod", and "fchmodat" syscalls.
+
+Add or update the following rules in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F arch=b32 -S chmod,fchmod,fchmodat -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+-a always,exit -F arch=b64 -S chmod,fchmod,fchmodat -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61842r926517_fix" /><check system="C-61918r926516_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "chmod", "fchmod", and "fchmodat" system calls with the following command:
+
+$ sudo auditctl -l | grep chmod
+
+-a always,exit -F arch=b32 -S chmod,fchmod,fchmodat -F auid&gt;=1000 -F auid!=unset -k perm_mod
+-a always,exit -F arch=b64 -S chmod,fchmod,fchmodat -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+If both the "b32" and "b64" audit rules are not defined for the "chmod", "fchmod", and "fchmodat" system calls, this is a finding.</check-content></check></Rule></Group><Group id="V-258178"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258178r926521_rule" weight="10.0" severity="medium"><version>RHEL-09-654020</version><title>RHEL 9 must audit all uses of the chown, fchown, fchownat, and lchown system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000064-GPOS-00033, SRG-OS-000466-GPOS-00210, SRG-OS-000458-GPOS-00203, SRG-OS-000474-GPOS-00219&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61843r926520_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "chown", "fchown", "fchownat", and "lchown"" system calls.
+
+Add or update the following rules in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F arch=b32 -S chown,fchown,fchownat,lchown -F auid&gt;=1000 -F auid!=unset -k perm_mod
+-a always,exit -F arch=b64 -S chown,fchown,fchownat,lchown -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61843r926520_fix" /><check system="C-61919r926519_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the  "chown", "fchown", "fchownat", and "lchown" system calls with the following command:
+
+$ sudo auditctl -l | grep chown
+
+-a always,exit -F arch=b32 -S chown,fchown,fchownat,lchown -F auid&gt;=1000 -F auid!=unset -k perm_mod
+-a always,exit -F arch=b64 -S chown,fchown,fchownat,lchown -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+If both the "b32" and "b64" audit rules are not defined for the "chown", "fchown", "fchownat", and "lchown" system calls, this is a finding.</check-content></check></Rule></Group><Group id="V-258179"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258179r926524_rule" weight="10.0" severity="medium"><version>RHEL-09-654025</version><title>RHEL 9 must audit all uses of the setxattr, fsetxattr, lsetxattr, removexattr, fremovexattr, and lremovexattr system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000458-GPOS-00203, SRG-OS-000462-GPOS-00206, SRG-OS-000463-GPOS-00207, SRG-OS-000471-GPOS-00215, SRG-OS-000474-GPOS-00219, SRG-OS-000466-GPOS-00210, SRG-OS-000064-GPOS-00033&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61844r926523_fix">Configure RHEL 9 to audit the execution of the "setxattr", "fsetxattr", "lsetxattr", "removexattr", "fremovexattr", and "lremovexattr" system calls by adding or updating the following lines to "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F arch=b32 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid&gt;=1000 -F auid!=unset -k perm_mod
+-a always,exit -F arch=b64 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+-a always,exit -F arch=b32 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid=0 -k perm_mod
+-a always,exit -F arch=b64 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid=0 -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61844r926523_fix" /><check system="C-61920r926522_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "setxattr", "fsetxattr", "lsetxattr", "removexattr", "fremovexattr", and "lremovexattr" system calls with the following command:
+
+$ sudo auditctl -l | grep xattr
+
+-a always,exit -F arch=b32 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid&gt;=1000 -F auid!=unset -k perm_mod
+-a always,exit -F arch=b64 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+-a always,exit -F arch=b32 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid=0 -k perm_mod
+-a always,exit -F arch=b64 -S setxattr,fsetxattr,lsetxattr,removexattr,fremovexattr,lremovexattr -F auid=0 -k perm_mod
+
+If both the "b32" and "b64" audit rules are not defined for the "chmod", "fchmod", and "fchmodat" system calls "setxattr", "fsetxattr", "lsetxattr", "removexattr", "fremovexattr", and "lremovexattr" system calls, or any of the lines returned are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258180"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258180r926527_rule" weight="10.0" severity="medium"><version>RHEL-09-654030</version><title>RHEL 9 must audit all uses of umount system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61845r926526_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "umount" command by adding or updating the following rules in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/umount -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-mount
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61845r926526_fix" /><check system="C-61921r926525_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "umount" command with the following command:
+
+$ sudo auditctl -l | grep umount
+
+-a always,exit -F path=/usr/bin/umount -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-mount
+
+If the command does not return an audit rule for "umount" or any of the lines returned are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258181"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258181r926530_rule" weight="10.0" severity="medium"><version>RHEL-09-654035</version><title>RHEL 9 must audit all uses of the chacl command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000466-GPOS-00210&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61846r926529_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "chacl" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/chacl -F perm=x -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61846r926529_fix" /><check system="C-61922r926528_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "chacl" command with the following command:
+
+$ sudo auditctl -l | grep chacl
+
+-a always,exit -F path=/usr/bin/chacl -F perm=x -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258182"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258182r926533_rule" weight="10.0" severity="medium"><version>RHEL-09-654040</version><title>RHEL 9 must audit all uses of the setfacl command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61847r926532_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "setfacl" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/setfacl -F perm=x -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61847r926532_fix" /><check system="C-61923r926531_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "setfacl" command with the following command:
+
+$ sudo auditctl -l | grep setfacl
+
+-a always,exit -F path=/usr/bin/setfacl -F perm=x -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258183"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258183r926536_rule" weight="10.0" severity="medium"><version>RHEL-09-654045</version><title>RHEL 9 must audit all uses of the chcon command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account that is being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000468-GPOS-00212, SRG-OS-000471-GPOS-00215, SRG-OS-000463-GPOS-00207, SRG-OS-000465-GPOS-00209&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61848r926535_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "chcon" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/chcon -F perm=x -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61848r926535_fix" /><check system="C-61924r926534_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "chcon" command with the following command:
+
+$ sudo auditctl -l | grep chcon
+
+-a always,exit -F path=/usr/bin/chcon -F perm=x -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258184"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258184r926539_rule" weight="10.0" severity="medium"><version>RHEL-09-654050</version><title>RHEL 9 must audit all uses of the semanage command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000463-GPOS-00207, SRG-OS-000465-GPOS-00209&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61849r926538_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "semanage" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/semanage -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61849r926538_fix" /><check system="C-61925r926537_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "semanage" command with the following command:
+
+$ sudo auditctl -l | grep semanage
+
+-a always,exit -F path=/usr/sbin/semanage -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258185"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258185r926542_rule" weight="10.0" severity="medium"><version>RHEL-09-654055</version><title>RHEL 9 must audit all uses of the setfiles command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000463-GPOS-00207, SRG-OS-000465-GPOS-00209&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61850r926541_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "setfiles" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/setfiles -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61850r926541_fix" /><check system="C-61926r926540_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "setfiles" command with the following command:
+
+$ sudo auditctl -l | grep setfiles
+
+-a always,exit -F path=/usr/sbin/setfiles -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258186"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258186r926545_rule" weight="10.0" severity="medium"><version>RHEL-09-654060</version><title>RHEL 9 must audit all uses of the setsebool command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000463-GPOS-00207, SRG-OS-000465-GPOS-00209&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61851r926544_fix">Configure RHEL 9 to generate an audit event for any successful/unsuccessful use of the "setsebool " command by adding or updating the following rules in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F path=/usr/sbin/setsebool -F perm=x -F auid&gt;=1000 -F auid!=unset -F key=privileged 
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61851r926544_fix" /><check system="C-61927r926543_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "setsebool" command with the following command:
+
+$ sudo auditctl -l | grep setsebool
+
+ -a always,exit -F path=/usr/sbin/setsebool -F perm=x -F auid&gt;=1000 -F auid!=unset -F key=privileged 
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258187"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258187r926548_rule" weight="10.0" severity="medium"><version>RHEL-09-654065</version><title>RHEL 9 must audit all uses of the rename, unlink, rmdir, renameat, and unlinkat system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000466-GPOS-00210, SRG-OS-000467-GPOS-00211, SRG-OS-000468-GPOS-00212&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61852r926547_fix">Configure RHEL 9 to generate an audit event for any successful/unsuccessful use of the "rename", "unlink", "rmdir", "renameat", and "unlinkat" system calls by adding or updating the following rules in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F arch=b32 -S rename,unlink,rmdir,renameat,unlinkat -F auid&gt;=1000 -F auid!=unset -k delete
+-a always,exit -F arch=b64 -S rename,unlink,rmdir,renameat,unlinkat -F auid&gt;=1000 -F auid!=unset -k delete
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61852r926547_fix" /><check system="C-61928r926546_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit successful/unsuccessful attempts to use the "rename", "unlink", "rmdir", "renameat", and "unlinkat" system calls with the following command:
+
+$ sudo auditctl -l | grep 'rename\|unlink\|rmdir'
+
+-a always,exit -F arch=b32 -S rename,unlink,rmdir,renameat,unlinkat -F auid&gt;=1000 -F auid!=unset -k delete
+-a always,exit -F arch=b64 -S rename,unlink,rmdir,renameat,unlinkat -F auid&gt;=1000 -F auid!=unset -k delete
+
+If the command does not return an audit rule for "rename", "unlink", "rmdir", "renameat", and "unlinkat" or any of the lines returned are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258188"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258188r926551_rule" weight="10.0" severity="medium"><version>RHEL-09-654070</version><title>RHEL 9 must audit all uses of the truncate, ftruncate, creat, open, openat, and open_by_handle_at system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000064-GPOS-00033, SRG-OS-000458-GPOS-00203, SRG-OS-000461-GPOS-00205&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61853r926550_fix">Configure RHEL 9 to generate an audit event for any successful/unsuccessful use of the "truncate", "ftruncate", "creat", "open", "openat", and "open_by_handle_at" system calls by adding or updating the following rules in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F arch=b32 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EPERM -F auid&gt;=1000 -F auid!=unset -k perm_access
+-a always,exit -F arch=b64 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EPERM -F auid&gt;=1000 -F auid!=unset -k perm_access
+
+-a always,exit -F arch=b32 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EACCES -F auid&gt;=1000 -F auid!=unset -k perm_access
+-a always,exit -F arch=b64 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EACCES -F auid&gt;=1000 -F auid!=unset -k perm_access
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61853r926550_fix" /><check system="C-61929r926549_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit successful/unsuccessful attempts to use the "truncate", "ftruncate", "creat", "open", "openat", and "open_by_handle_at" system calls with the following command:
+
+$ sudo auditctl -l | grep 'open\|truncate\|creat' 
+
+-a always,exit -F arch=b32 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EPERM -F auid&gt;=1000 -F auid!=unset -k perm_access
+-a always,exit -F arch=b64 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EPERM -F auid&gt;=1000 -F auid!=unset -k perm_access
+
+-a always,exit -F arch=b32 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EACCES -F auid&gt;=1000 -F auid!=unset -k perm_access
+-a always,exit -F arch=b64 -S truncate,ftruncate,creat,open,openat,open_by_handle_at -F exit=-EACCES -F auid&gt;=1000 -F auid!=unset -k perm_access
+
+If the output does not produce rules containing "-F exit=-EPERM", this is a finding.
+
+If the output does not produce rules containing "-F exit=-EACCES", this is a finding.
+
+If the command does not return an audit rule for "truncate", "ftruncate", "creat", "open", "openat", and "open_by_handle_at" or any of the lines returned are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258189"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258189r926554_rule" weight="10.0" severity="medium"><version>RHEL-09-654075</version><title>RHEL 9 must audit all uses of the delete_module system call.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000471-GPOS-00216, SRG-OS-000477-GPOS-00222&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61854r926553_fix">Configure RHEL 9 to generate an audit event for any successful/unsuccessful use of the "delete_module" system call by adding or updating the following rules in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F arch=b32 -S delete_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+-a always,exit -F arch=b64 -S delete_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61854r926553_fix" /><check system="C-61930r926552_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "delete_module" system call with the following command:
+
+$ sudo auditctl -l | grep delete_module
+
+-a always,exit -F arch=b32 -S delete_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+-a always,exit -F arch=b64 -S delete_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+
+If both the "b32" and "b64" audit rules are not defined for the "delete_module" system call, or any of the lines returned are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258190"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258190r926557_rule" weight="10.0" severity="medium"><version>RHEL-09-654080</version><title>RHEL 9 must audit all uses of the init_module and finit_module system calls.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000471-GPOS-00216, SRG-OS-000477-GPOS-00222&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61855r926556_fix">Configure RHEL 9 to generate an audit event for any successful/unsuccessful use of the "init_module" and "finit_module" system calls by adding or updating the following rules in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F arch=b32 -S init_module,finit_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+-a always,exit -F arch=b64 -S init_module,finit_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61855r926556_fix" /><check system="C-61931r926555_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "init_module" and "finit_module" system calls with the following command:
+
+$ sudo auditctl -l | grep init_module
+
+-a always,exit -F arch=b32 -S init_module,finit_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+-a always,exit -F arch=b64 -S init_module,finit_module -F auid&gt;=1000 -F auid!=unset -k module_chng
+
+If both the "b32" and "b64" audit rules are not defined for the "delete_module" system call, or any of the lines returned are commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258191"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258191r926560_rule" weight="10.0" severity="medium"><version>RHEL-09-654085</version><title>RHEL 9 must audit all uses of the chage command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000468-GPOS-00212, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61856r926559_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "chage" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/chage -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-chage
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61856r926559_fix" /><check system="C-61932r926558_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "chage" command with the following command:
+
+$ sudo auditctl -l | grep chage
+
+-a always,exit -F path=/usr/bin/chage -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-chage
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258192"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258192r926563_rule" weight="10.0" severity="medium"><version>RHEL-09-654090</version><title>RHEL 9 must audit all uses of the chsh command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61857r926562_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "chsh" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/chsh -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61857r926562_fix" /><check system="C-61933r926561_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "chsh" command with the following command:
+
+$ sudo auditctl -l | grep chsh
+
+-a always,exit -F path=/usr/bin/chsh -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258193"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258193r926566_rule" weight="10.0" severity="medium"><version>RHEL-09-654095</version><title>RHEL 9 must audit all uses of the crontab command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61858r926565_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "crontab" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/crontab -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-crontab
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61858r926565_fix" /><check system="C-61934r926564_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "crontab" command with the following command:
+
+$ sudo auditctl -l | grep crontab
+
+-a always,exit -F path=/usr/bin/crontab -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-crontab
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258194"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258194r926569_rule" weight="10.0" severity="medium"><version>RHEL-09-654100</version><title>RHEL 9 must audit all uses of the gpasswd command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61859r926568_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "gpasswd" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/gpasswd -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-gpasswd
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61859r926568_fix" /><check system="C-61935r926567_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "gpasswd" command with the following command:
+
+$ sudo auditctl -l | grep gpasswd
+
+-a always,exit -F path=/usr/bin/gpasswd -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-gpasswd
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258195"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258195r926572_rule" weight="10.0" severity="medium"><version>RHEL-09-654105</version><title>RHEL 9 must audit all uses of the kmod command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000471-GPOS-00216, SRG-OS-000477-GPOS-00222&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61860r926571_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "kmod" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/kmod -F perm=x -F auid&gt;=1000 -F auid!=unset -k modules
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61860r926571_fix" /><check system="C-61936r926570_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "kmod" command with the following command:
+
+$ sudo auditctl -l | grep kmod
+
+-a always,exit -F path=/usr/bin/kmod -F perm=x -F auid&gt;=1000 -F auid!=unset -k modules
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258196"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258196r926575_rule" weight="10.0" severity="medium"><version>RHEL-09-654110</version><title>RHEL 9 must audit all uses of the newgrp command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account that is being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61861r926574_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "newgrp" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/newgrp -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61861r926574_fix" /><check system="C-61937r926573_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "newgrp" command with the following command:
+
+$ sudo auditctl -l | grep newgrp
+
+-a always,exit -F path=/usr/bin/newgrp -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258197"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258197r926578_rule" weight="10.0" severity="medium"><version>RHEL-09-654115</version><title>RHEL 9 must audit all uses of the pam_timestamp_check command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61862r926577_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "pam_timestamp_check" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/pam_timestamp_check -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-pam_timestamp_check
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61862r926577_fix" /><check system="C-61938r926576_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "pam_timestamp_check" command with the following command:
+
+$ sudo auditctl -l | grep timestamp
+
+-a always,exit -F path=/usr/sbin/pam_timestamp_check -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-pam_timestamp_check
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258198"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258198r926581_rule" weight="10.0" severity="medium"><version>RHEL-09-654120</version><title>RHEL 9 must audit all uses of the passwd command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61863r926580_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "passwd" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/passwd -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-passwd
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61863r926580_fix" /><check system="C-61939r926579_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/gshadow" with the following command:
+
+$ sudo auditctl -l | egrep '(/usr/bin/passwd)' 
+
+-a always,exit -F path=/usr/bin/passwd -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-passwd
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258199"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258199r926584_rule" weight="10.0" severity="medium"><version>RHEL-09-654125</version><title>RHEL 9 must audit all uses of the postdrop command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61864r926583_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "postdrop" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/postdrop -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61864r926583_fix" /><check system="C-61940r926582_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "postdrop" command with the following command:
+
+$ sudo auditctl -l | grep postdrop
+
+-a always,exit -F path=/usr/sbin/postdrop -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258200"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258200r926587_rule" weight="10.0" severity="medium"><version>RHEL-09-654130</version><title>RHEL 9 must audit all uses of the postqueue command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61865r926586_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "postqueue" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/postqueue -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61865r926586_fix" /><check system="C-61941r926585_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "postqueue" command with the following command:
+
+$ sudo auditctl -l | grep postqueue
+
+-a always,exit -F path=/usr/sbin/postqueue -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258201"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258201r926590_rule" weight="10.0" severity="medium"><version>RHEL-09-654135</version><title>RHEL 9 must audit all uses of the ssh-agent command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61866r926589_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "ssh-agent" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/ssh-agent -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-ssh
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61866r926589_fix" /><check system="C-61942r926588_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "ssh-agent" command with the following command:
+
+$ sudo auditctl -l | grep ssh-agent
+
+-a always,exit -F path=/usr/bin/ssh-agent -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-ssh
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258202"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258202r926593_rule" weight="10.0" severity="medium"><version>RHEL-09-654140</version><title>RHEL 9 must audit all uses of the ssh-keysign command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61867r926592_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "ssh-keysign" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/libexec/openssh/ssh-keysign -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-ssh
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61867r926592_fix" /><check system="C-61943r926591_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "ssh-keysign" command with the following command:
+
+$ sudo auditctl -l | grep ssh-keysign
+
+-a always,exit -F path=/usr/libexec/openssh/ssh-keysign -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-ssh
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258203"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258203r926596_rule" weight="10.0" severity="medium"><version>RHEL-09-654145</version><title>RHEL 9 must audit all uses of the su command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000064-GPOS-00033, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000466-GPOS-00210&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61868r926595_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "su" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/su -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-priv_change
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61868r926595_fix" /><check system="C-61944r926594_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "su" command with the following command:
+
+$ sudo auditctl -l | grep /usr/bin/su
+
+-a always,exit -F path=/usr/bin/su -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-priv_change
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258204"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258204r926599_rule" weight="10.0" severity="medium"><version>RHEL-09-654150</version><title>RHEL 9 must audit all uses of the sudo command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000466-GPOS-00210&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61869r926598_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "sudo" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/sudo -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61869r926598_fix" /><check system="C-61945r926597_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "sudo" command with the following command:
+
+$ sudo auditctl -l | grep /usr/bin/sudo
+
+-a always,exit -F path=/usr/bin/sudo -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258205"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258205r926602_rule" weight="10.0" severity="medium"><version>RHEL-09-654155</version><title>RHEL 9 must audit all uses of the sudoedit command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61870r926601_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "sudoedit" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/sudoedit -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61870r926601_fix" /><check system="C-61946r926600_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "sudoedit" command with the following command:
+
+$ sudo auditctl -l | grep /usr/bin/sudoedit
+
+-a always,exit -F path=/usr/bin/sudoedit -F perm=x -F auid&gt;=1000 -F auid!=unset -k priv_cmd
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258206"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258206r926605_rule" weight="10.0" severity="medium"><version>RHEL-09-654160</version><title>RHEL 9 must audit all uses of the unix_chkpwd command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61871r926604_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "unix_chkpwd" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/unix_chkpwd -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61871r926604_fix" /><check system="C-61947r926603_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "unix_chkpwd" command with the following command:
+
+$ sudo auditctl -l | grep unix_chkpwd
+
+-a always,exit -F path=/usr/sbin/unix_chkpwd -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258207"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258207r926608_rule" weight="10.0" severity="medium"><version>RHEL-09-654165</version><title>RHEL 9 must audit all uses of the unix_update command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000064-GPOS-00033, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61872r926607_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "unix_update" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/unix_update -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61872r926607_fix" /><check system="C-61948r926606_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "unix_update" command with the following command:
+
+$ sudo auditctl -l | grep unix_update
+
+-a always,exit -F path=/usr/sbin/unix_update -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258208"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258208r926611_rule" weight="10.0" severity="medium"><version>RHEL-09-654170</version><title>RHEL 9 must audit all uses of the userhelper command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61873r926610_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "userhelper" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/userhelper -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61873r926610_fix" /><check system="C-61949r926609_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "userhelper" command with the following command:
+
+$ sudo auditctl -l | grep userhelper
+
+-a always,exit -F path=/usr/sbin/userhelper -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-unix-update
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258209"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258209r926614_rule" weight="10.0" severity="medium"><version>RHEL-09-654175</version><title>RHEL 9 must audit all uses of the usermod command.</title><description>&lt;VulnDiscussion&gt;Without generating audit record specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000466-GPOS-00210&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61874r926613_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "usermod " command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/sbin/usermod -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-usermod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61874r926613_fix" /><check system="C-61950r926612_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "usermod" command with the following command:
+
+$ sudo auditctl -l | grep usermod
+
+-a always,exit -F path=/usr/sbin/usermod -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-usermod
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258210"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258210r926617_rule" weight="10.0" severity="medium"><version>RHEL-09-654180</version><title>RHEL 9 must audit all uses of the mount command.</title><description>&lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Audit records can be generated from various components within the information system (e.g., module or policy filter).
+
+When a user logs on, the auid is set to the uid of the account that is being authenticated. Daemons are not user sessions and have the loginuid set to -1. The auid representation is an unsigned 32-bit integer, which equals 4294967295. The audit system interprets -1, 4294967295, and "unset" in the same way.
+
+The system call rules are loaded into a matching engine that intercepts each system call made by all programs on the system. Therefore, it is very important to use system call rules only when absolutely necessary since these affect performance. The more rules, the bigger the performance hit. The performance can be helped, however, by combining system calls into one rule whenever possible.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61875r926616_fix">Configure RHEL 9 to generate audit records upon successful/unsuccessful attempts to use the "mount" command by adding or updating the following rule in "/etc/audit/rules.d/audit.rules":
+
+-a always,exit -F path=/usr/bin/mount -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-mount
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61875r926616_fix" /><check system="C-61951r926615_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "mount" command with the following command:
+
+$ sudo auditctl -l | grep /usr/bin/mount
+
+-a always,exit -F path=/usr/bin/mount -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-mount
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258211"><title>SRG-OS-000477-GPOS-00222</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258211r926620_rule" weight="10.0" severity="medium"><version>RHEL-09-654185</version><title>Successful/unsuccessful uses of the init command in RHEL 9 must generate an audit record.</title><description>&lt;VulnDiscussion&gt;Misuse of the init command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000172</ident><fixtext fixref="F-61876r926619_fix">Configure the audit system to generate an audit event for any successful/unsuccessful uses of the "init" command by adding or updating the following rule in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F path=/usr/sbin/init -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-init
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61876r926619_fix" /><check system="C-61952r926618_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "init" command with the following command:
+
+$ sudo auditctl -l | grep init
+
+-a always,exit -F path=/usr/sbin/init -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-init
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258212"><title>SRG-OS-000477-GPOS-00222</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258212r926623_rule" weight="10.0" severity="medium"><version>RHEL-09-654190</version><title>Successful/unsuccessful uses of the poweroff command in RHEL 9 must generate an audit record.</title><description>&lt;VulnDiscussion&gt;Misuse of the poweroff command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000172</ident><fixtext fixref="F-61877r926622_fix">Configure the audit system to generate an audit event for any successful/unsuccessful uses of the "poweroff" command by adding or updating the following rule in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F path=/usr/sbin/poweroff -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-poweroff
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61877r926622_fix" /><check system="C-61953r926621_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "poweroff" command with the following command:
+
+$ sudo auditctl -l | grep poweroff
+
+-a always,exit -F path=/usr/sbin/poweroff -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-poweroff
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258213"><title>SRG-OS-000477-GPOS-00222</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258213r926626_rule" weight="10.0" severity="medium"><version>RHEL-09-654195</version><title>Successful/unsuccessful uses of the reboot command in RHEL 9 must generate an audit record.</title><description>&lt;VulnDiscussion&gt;Misuse of the reboot command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000172</ident><fixtext fixref="F-61878r926625_fix">Configure the audit system to generate an audit event for any successful/unsuccessful uses of the "reboot" command by adding or updating the following rule in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F path=/usr/sbin/reboot -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-reboot
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61878r926625_fix" /><check system="C-61954r926624_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "reboot" command with the following command:
+
+$ sudo auditctl -l | grep reboot
+
+-a always,exit -F path=/usr/sbin/reboot -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-reboot
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258214"><title>SRG-OS-000477-GPOS-00222</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258214r926629_rule" weight="10.0" severity="medium"><version>RHEL-09-654200</version><title>Successful/unsuccessful uses of the shutdown command in RHEL 9 must generate an audit record.</title><description>&lt;VulnDiscussion&gt;Misuse of the shutdown command may cause availability issues for the system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000172</ident><fixtext fixref="F-61879r926628_fix">Configure the audit system to generate an audit event for any successful/unsuccessful uses of the "shutdown" command by adding or updating the following rule in the "/etc/audit/rules.d/audit.rules" file:
+
+-a always,exit -F path=/usr/sbin/shutdown -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-shutdown
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61879r926628_fix" /><check system="C-61955r926627_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is configured to audit the execution of the "shutdown" command with the following command:
+
+$ sudo auditctl -l | grep shutdown
+
+-a always,exit -F path=/usr/sbin/shutdown -F perm=x -F auid&gt;=1000 -F auid!=unset -k privileged-shutdown
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258215"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258215r926632_rule" weight="10.0" severity="medium"><version>RHEL-09-654205</version><title>Successful/unsuccessful uses of the umount system call in RHEL 9 must generate an audit record.</title><description>&lt;VulnDiscussion&gt;The changing of file permissions could indicate that a user is attempting to gain access to information that would otherwise be disallowed. Auditing DAC modifications can facilitate the identification of patterns of abuse among both authorized and unauthorized users.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61880r926631_fix">Configure the audit system to generate an audit event for any successful/unsuccessful use of the "umount" system call by adding or updating the following rules in "/etc/audit/audit.rules" and adding the following rules to "/etc/audit/rules.d/perm_mod.rules" or updating the existing rules in files in the "/etc/audit/rules.d/" directory:
+
+-a always,exit -F arch=b32 -S umount -F auid&gt;=1000 -F auid!=unset -k perm_mod -a always,exit -F arch=b64 -S umount -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61880r926631_fix" /><check system="C-61956r926630_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 generates an audit record for all uses of the "umount" and system call with the following command:
+
+$ sudo grep "umount" /etc/audit/audit.* 
+
+If the system is configured to audit this activity, it will return a line like the following:
+
+-a always,exit -F arch=b32 -S umount -F auid&gt;=1000 -F auid!=unset -k privileged-umount
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258216"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258216r926635_rule" weight="10.0" severity="medium"><version>RHEL-09-654210</version><title>Successful/unsuccessful uses of the umount2 system call in RHEL 9 must generate an audit record.</title><description>&lt;VulnDiscussion&gt;The changing of file permissions could indicate that a user is attempting to gain access to information that would otherwise be disallowed. Auditing DAC modifications can facilitate the identification of patterns of abuse among both authorized and unauthorized users.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61881r926634_fix">Configure the audit system to generate an audit event for any successful/unsuccessful use of the "umount2" system call by adding or updating the following rules in "/etc/audit/audit.rules" and adding the following rules to "/etc/audit/rules.d/perm_mod.rules" or updating the existing rules in files in the "/etc/audit/rules.d/" directory:
+
+-a always,exit -F arch=b32 -S umount2 -F auid&gt;=1000 -F auid!=unset -k perm_mod
+-a always,exit -F arch=b64 -S umount2 -F auid&gt;=1000 -F auid!=unset -k perm_mod
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61881r926634_fix" /><check system="C-61957r926633_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>To determine if the system is configured to audit calls to the  umount2 system call, run the following command:
+
+$ sudo grep "umount2" /etc/audit/audit.* 
+
+If the system is configured to audit this activity, it will return a line.
+
+If no line is returned, this is a finding.</check-content></check></Rule></Group><Group id="V-258217"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258217r926638_rule" weight="10.0" severity="medium"><version>RHEL-09-654215</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/sudoers.</title><description>&lt;VulnDiscussion&gt;The actions taken by system administrators must be audited to keep a record of what was executed on the system, as well as for accountability purposes. Editing the sudoers file may be sign of an attacker trying to establish persistent methods to a system, auditing the editing of the sudoers files mitigates this risk.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61882r926637_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/sudoers -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61882r926637_fix" /><check system="C-61958r926636_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers" with the following command:
+
+$ sudo auditctl -l | grep /etc/sudoers
+
+-w /etc/sudoers -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258218"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258218r926641_rule" weight="10.0" severity="medium"><version>RHEL-09-654220</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/sudoers.d/ directory.</title><description>&lt;VulnDiscussion&gt;The actions taken by system administrators must be audited to keep a record of what was executed on the system, as well as for accountability purposes. Editing the sudoers file may be sign of an attacker trying to establish persistent methods to a system, auditing the editing of the sudoers files mitigates this risk.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61883r926640_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers.d/".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/sudoers.d/ -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61883r926640_fix" /><check system="C-61959r926639_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/sudoers.d/" with the following command:
+
+$ sudo auditctl -l | grep /etc/sudoers.d
+
+-w /etc/sudoers.d/ -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258219"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258219r926644_rule" weight="10.0" severity="medium"><version>RHEL-09-654225</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/group.</title><description>&lt;VulnDiscussion&gt;In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications must be investigated for legitimacy.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61884r926643_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/group".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/group -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61884r926643_fix" /><check system="C-61960r926642_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/group" with the following command:
+
+$ sudo auditctl -l | egrep '(/etc/group)'  
+
+-w /etc/group -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258220"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258220r926647_rule" weight="10.0" severity="medium"><version>RHEL-09-654230</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/gshadow.</title><description>&lt;VulnDiscussion&gt;In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications should be investigated for legitimacy.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61885r926646_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/gshadow".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/gshadow -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61885r926646_fix" /><check system="C-61961r926645_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/gshadow" with the following command:
+
+$ sudo auditctl -l | egrep '(/etc/gshadow)' 
+
+-w /etc/gshadow -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258221"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258221r926650_rule" weight="10.0" severity="medium"><version>RHEL-09-654235</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/opasswd.</title><description>&lt;VulnDiscussion&gt;In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications should be investigated for legitimacy.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61886r926649_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/security/opasswd".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/security/opasswd -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61886r926649_fix" /><check system="C-61962r926648_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/security/opasswd" with the following command:
+
+$ sudo auditctl -l | egrep '(/etc/security/opasswd)' 
+
+-w /etc/security/opasswd -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258222"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258222r926653_rule" weight="10.0" severity="medium"><version>RHEL-09-654240</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/passwd.</title><description>&lt;VulnDiscussion&gt;In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications should be investigated for legitimacy.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221, SRG-OS-000274-GPOS-00104, SRG-OS-000275-GPOS-00105, SRG-OS-000276-GPOS-00106, SRG-OS-000277-GPOS-00107&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-001683</ident><ident system="http://cyber.mil/cci">CCI-001684</ident><ident system="http://cyber.mil/cci">CCI-001685</ident><ident system="http://cyber.mil/cci">CCI-001686</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61887r926652_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/passwd".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/passwd -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61887r926652_fix" /><check system="C-61963r926651_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/passwd" with the following command:
+
+$ sudo auditctl -l | egrep '(/etc/passwd)' 
+
+-w /etc/passwd -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258223"><title>SRG-OS-000004-GPOS-00004</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258223r926656_rule" weight="10.0" severity="medium"><version>RHEL-09-654245</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.</title><description>&lt;VulnDiscussion&gt;In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications should be investigated for legitimacy.
+
+Satisfies: SRG-OS-000004-GPOS-00004, SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000304-GPOS-00121, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000470-GPOS-00214, SRG-OS-000471-GPOS-00215, SRG-OS-000239-GPOS-00089, SRG-OS-000240-GPOS-00090, SRG-OS-000241-GPOS-00091, SRG-OS-000303-GPOS-00120, SRG-OS-000466-GPOS-00210, SRG-OS-000476-GPOS-00221&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000018</ident><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-001403</ident><ident system="http://cyber.mil/cci">CCI-001404</ident><ident system="http://cyber.mil/cci">CCI-001405</ident><ident system="http://cyber.mil/cci">CCI-002130</ident><ident system="http://cyber.mil/cci">CCI-002132</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61888r926655_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/etc/shadow".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /etc/shadow -p wa -k identity
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61888r926655_fix" /><check system="C-61964r926654_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/etc/passwd with the following command:
+
+$ sudo auditctl -l | egrep '(/etc/shadow)' 
+
+-w /etc/shadow -p wa -k identity
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258224"><title>SRG-OS-000392-GPOS-00172</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258224r926659_rule" weight="10.0" severity="medium"><version>RHEL-09-654250</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/faillock.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Satisfies: SRG-OS-000392-GPOS-00172, SRG-OS-000470-GPOS-00214, SRG-OS-000473-GPOS-00218&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61889r926658_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/faillock".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /var/log/faillock -p wa -k logins
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61889r926658_fix" /><check system="C-61965r926657_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/faillock" with the following command:
+
+$ sudo auditctl -l | grep /var/log/faillock
+
+-w /var/log/faillock -p wa -k logins
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258225"><title>SRG-OS-000037-GPOS-00015</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258225r926662_rule" weight="10.0" severity="medium"><version>RHEL-09-654255</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/lastlog.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Satisfies: SRG-OS-000037-GPOS-00015, SRG-OS-000042-GPOS-00020, SRG-OS-000062-GPOS-00031, SRG-OS-000392-GPOS-00172, SRG-OS-000462-GPOS-00206, SRG-OS-000471-GPOS-00215, SRG-OS-000473-GPOS-00218, SRG-OS-000470-GPOS-00214&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000130</ident><ident system="http://cyber.mil/cci">CCI-000135</ident><ident system="http://cyber.mil/cci">CCI-000169</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61890r926661_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/lastlog".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /var/log/lastlog -p wa -k logins
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61890r926661_fix" /><check system="C-61966r926660_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/lastlog" with the following command:
+
+$ sudo auditctl -l | grep /var/log/lastlog
+ 
+-w /var/log/lastlog -p wa -k logins
+
+If the command does not return a line, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258226"><title>SRG-OS-000392-GPOS-00172</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258226r926665_rule" weight="10.0" severity="medium"><version>RHEL-09-654260</version><title>RHEL 9 must generate audit records for all account creations, modifications, disabling, and termination events that affect /var/log/tallylog.</title><description>&lt;VulnDiscussion&gt;Without generating audit records specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
+
+Satisfies: SRG-OS-000392-GPOS-00172, SRG-OS-000470-GPOS-00214, SRG-OS-000473-GPOS-00218&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000172</ident><ident system="http://cyber.mil/cci">CCI-002884</ident><fixtext fixref="F-61891r926664_fix">Configure RHEL 9 to generate audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/tallylog".
+
+Add or update the following file system rule to "/etc/audit/rules.d/audit.rules":
+
+-w /var/log/tallylog -p wa -k logins
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61891r926664_fix" /><check system="C-61967r926663_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify RHEL 9 generates audit records for all account creations, modifications, disabling, and termination events that affect "/var/log/tallylog" with the following command:
+
+$ sudo auditctl -l | grep /var/log/tallylog
+
+-w /var/log/tallylog -p wa -k logins
+
+If the command does not return a line, or the line is commented out, is a finding.</check-content></check></Rule></Group><Group id="V-258227"><title>SRG-OS-000046-GPOS-00022</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258227r926668_rule" weight="10.0" severity="medium"><version>RHEL-09-654265</version><title>RHEL 9 must take appropriate action when a critical audit processing failure occurs.</title><description>&lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an impending failure of the audit capability, and system operation may be adversely affected.
+
+Audit processing failures include software/hardware errors, failures in the audit capturing mechanisms, and audit storage capacity being reached or exceeded.
+
+Satisfies: SRG-OS-000046-GPOS-00022, SRG-OS-000047-GPOS-00023&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000139</ident><ident system="http://cyber.mil/cci">CCI-000140</ident><fixtext fixref="F-61892r926667_fix">Configure RHEL 9 to shut down when auditing failures occur.
+
+Add the following line to the bottom of the /etc/audit/audit.rules file:
+
+-f 2</fixtext><fix id="F-61892r926667_fix" /><check system="C-61968r926666_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit service is configured to panic on a critical error with the following command:
+
+$ sudo grep "\-f" /etc/audit/audit.rules 
+
+-f 2
+
+If the value for "-f" is not "2", and availability is not documented as an overriding concern, this is a finding.</check-content></check></Rule></Group><Group id="V-258228"><title>SRG-OS-000462-GPOS-00206</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258228r926671_rule" weight="10.0" severity="medium"><version>RHEL-09-654270</version><title>RHEL 9 audit system must protect logon UIDs from unauthorized change.</title><description>&lt;VulnDiscussion&gt;If modification of login user identifiers (UIDs) is not prevented, they can be changed by nonprivileged users and make auditing complicated or impossible.
+
+Satisfies: SRG-OS-000462-GPOS-00206, SRG-OS-000475-GPOS-00220, SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000162</ident><ident system="http://cyber.mil/cci">CCI-000163</ident><ident system="http://cyber.mil/cci">CCI-000164</ident><ident system="http://cyber.mil/cci">CCI-000172</ident><fixtext fixref="F-61893r926670_fix">Configure RHEL 9 auditing to prevent modification of login UIDs once they are set by adding the following line to /etc/audit/rules.d/audit.rules:
+
+--loginuid-immutable
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61893r926670_fix" /><check system="C-61969r926669_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit system prevents unauthorized changes to logon UIDs with the following command:
+
+$ sudo grep -i immutable /etc/audit/audit.rules
+
+--loginuid-immutable
+
+If the "--loginuid-immutable" option is not returned in the "/etc/audit/audit.rules", or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258229"><title>SRG-OS-000057-GPOS-00027</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258229r926674_rule" weight="10.0" severity="medium"><version>RHEL-09-654275</version><title>RHEL 9 audit system must protect auditing rules from unauthorized change.</title><description>&lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality.
+
+Audit information includes all information (e.g., audit records, audit settings, audit reports) needed to successfully audit RHEL 9 system activity.
+
+In immutable mode, unauthorized users cannot execute changes to the audit system to potentially hide malicious activity and then put the audit rules back.  A system reboot would be noticeable, and a system administrator could then investigate the unauthorized changes.
+
+Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000162</ident><ident system="http://cyber.mil/cci">CCI-000163</ident><ident system="http://cyber.mil/cci">CCI-000164</ident><fixtext fixref="F-61894r926673_fix">Configure the audit system to set the audit rules to be immutable by adding the following line to end of "/etc/audit/rules.d/audit.rules"
+
+-e 2
+
+The audit daemon must be restarted for the changes to take effect.</fixtext><fix id="F-61894r926673_fix" /><check system="C-61970r926672_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify the audit system prevents unauthorized changes with the following command:
+
+$ sudo grep "^\s*[^#]" /etc/audit/audit.rules | tail -1
+
+-e 2
+
+If the audit system is not set to be immutable by adding the "-e 2" option to the end of "/etc/audit/audit.rules", this is a finding.</check-content></check></Rule></Group><Group id="V-258230"><title>SRG-OS-000033-GPOS-00014</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258230r926677_rule" weight="10.0" severity="high"><version>RHEL-09-671010</version><title>RHEL 9 must enable FIPS mode.</title><description>&lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating system must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated. This includes NIST FIPS-validated cryptography for the following: Provisioning digital signatures, generating cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.
+
+Satisfies: SRG-OS-000033-GPOS-00014, SRG-OS-000125-GPOS-00065, SRG-OS-000396-GPOS-00176, SRG-OS-000423-GPOS-00187, SRG-OS-000478-GPOS-00223&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000068</ident><ident system="http://cyber.mil/cci">CCI-000877</ident><ident system="http://cyber.mil/cci">CCI-002418</ident><ident system="http://cyber.mil/cci">CCI-002450</ident><fixtext fixref="F-61895r926676_fix">Configure the operating system to implement FIPS mode with the following command
+
+$ sudo fips-mode-setup --enable
+
+Reboot the system for the changes to take effect.</fixtext><fix id="F-61895r926676_fix" /><check system="C-61971r926675_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 is in FIPS mode with the following command:
+
+$ sudo fips-mode-setup --check
+
+FIPS mode is enabled.
+
+If FIPS mode is not enabled, this is a finding.</check-content></check></Rule></Group><Group id="V-258231"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258231r926680_rule" weight="10.0" severity="medium"><version>RHEL-09-671015</version><title>RHEL 9 must employ FIPS 140-3 approved cryptographic hashing algorithms for all stored passwords.</title><description>&lt;VulnDiscussion&gt;The system must use a strong hashing algorithm to store the password.
+
+Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised.
+
+Satisfies: SRG-OS-000073-GPOS-00041, SRG-OS-000120-GPOS-00061&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61896r926679_fix">Lock all interactive user accounts not using SHA-512 hashing until the passwords can be regenerated with SHA-512.</fixtext><fix id="F-61896r926679_fix" /><check system="C-61972r926678_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the interactive user account passwords are using a strong password hash with the following command:
+
+$ sudo cut -d: -f2 /etc/shadow
+
+$6$kcOnRq/5$NUEYPuyL.wghQwWssXRcLRFiiru7f5JPV6GaJhNC2aK5F3PZpE/BCCtwrxRc/AInKMNX3CdMw11m9STiql12f/ 
+
+Password hashes "!" or "*" indicate inactive accounts not available for logon and are not evaluated.
+
+If any interactive user password hash does not begin with "$6", this is a finding.</check-content></check></Rule></Group><Group id="V-258232"><title>SRG-OS-000033-GPOS-00014</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258232r926683_rule" weight="10.0" severity="medium"><version>RHEL-09-671020</version><title>RHEL 9 IP tunnels must use FIPS 140-2/140-3 approved cryptographic algorithms.</title><description>&lt;VulnDiscussion&gt;Overriding the system crypto policy makes the behavior of the Libreswan service violate expectations, and makes system configuration more fragmented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000068</ident><fixtext fixref="F-61897r926682_fix">Configure Libreswan to use the system cryptographic policy.
+
+Add the following line to "/etc/ipsec.conf":
+
+include /etc/crypto-policies/back-ends/libreswan.config</fixtext><fix id="F-61897r926682_fix" /><check system="C-61973r926681_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the IPsec service uses the system crypto policy with the following command:
+
+Note: If the ipsec service is not installed, this requirement is Not Applicable.
+
+$ sudo grep include /etc/ipsec.conf /etc/ipsec.d/*.conf
+
+/etc/ipsec.conf:include /etc/crypto-policies/back-ends/libreswan.config
+
+If the ipsec configuration file does not contain "include /etc/crypto-policies/back-ends/libreswan.config", this is a finding.</check-content></check></Rule></Group><Group id="V-258233"><title>SRG-OS-000073-GPOS-00041</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258233r926686_rule" weight="10.0" severity="medium"><version>RHEL-09-671025</version><title>RHEL 9 pam_unix.so module must be configured in the password-auth file to use a FIPS 140-3 approved cryptographic hashing algorithm for system authentication.</title><description>&lt;VulnDiscussion&gt;Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and; therefore, cannot be relied upon to provide confidentiality or integrity, and DOD data may be compromised.
+
+RHEL 9 systems utilizing encryption are required to use FIPS-compliant mechanisms for authenticating to cryptographic modules. 
+
+FIPS 140-3 is the current standard for validating that mechanisms used to access cryptographic modules utilize authentication that meets DOD requirements. This allows for Security Levels 1, 2, 3, or 4 for use on a general-purpose computing system.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000196</ident><fixtext fixref="F-61898r926685_fix">Configure RHEL 9 to use a FIPS 140-3 approved cryptographic hashing algorithm for system authentication.
+
+Edit/modify the following line in the "/etc/pam.d/password-auth" file to include the sha512 option for pam_unix.so:
+
+password sufficient pam_unix.so sha512</fixtext><fix id="F-61898r926685_fix" /><check system="C-61974r926684_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the pam_unix.so module is configured to use sha512 in /etc/pam.d/password-auth with the following command:
+
+$ grep "^password.*pam_unix.so.*sha512" /etc/pam.d/password-auth
+
+password sufficient pam_unix.so sha512
+
+If "sha512" is missing, or the line is commented out, this is a finding.</check-content></check></Rule></Group><Group id="V-258234"><title>SRG-OS-000396-GPOS-00176</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258234r926689_rule" weight="10.0" severity="medium"><version>RHEL-09-672010</version><title>RHEL 9 must have the crypto-policies package installed.</title><description>&lt;VulnDiscussion&gt;Centralized cryptographic policies simplify applying secure ciphers across an operating system and the applications that run on that operating system. Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data.
+
+Satisfies: SRG-OS-000396-GPOS-00176, SRG-OS-000393-GPOS-00173, SRG-OS-000394-GPOS-00174&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002450</ident><ident system="http://cyber.mil/cci">CCI-002890</ident><ident system="http://cyber.mil/cci">CCI-003123</ident><fixtext fixref="F-61899r926688_fix">Install the crypto-policies package (if the package is not already installed) with the following command:
+
+$ sudo dnf install crypto-policies</fixtext><fix id="F-61899r926688_fix" /><check system="C-61975r926687_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 crypto-policies package is installed with the following command:
+
+$ sudo dnf list --installed crypto-policies
+
+Example output:
+
+crypto-policies.noarch          20220223-1.git5203b41.el9_0.1
+
+If the "crypto-policies" package is not installed, this is a finding.</check-content></check></Rule></Group><Group id="V-258235"><title>SRG-OS-000478-GPOS-00223</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258235r926692_rule" weight="10.0" severity="high"><version>RHEL-09-672015</version><title>RHEL 9 crypto policy files must match files shipped with the operating system.</title><description>&lt;VulnDiscussion&gt;The RHEL 9 package "crypto-policies" defines the cryptography policies for the system.
+
+If the files are changed from those shipped with the operating system, it may be possible for RHEL 9 to use cryptographic functions that are not FIPS 140-3 approved.
+
+Satisfies: SRG-OS-000478-GPOS-00223, SRG-OS-000396-GPOS-00176&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002450</ident><fixtext fixref="F-61900r926691_fix">Reinstall the crypto-policies package to remove any modifications.
+
+$ sudo dnf reinstall crypto-policies</fixtext><fix id="F-61900r926691_fix" /><check system="C-61976r926690_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the RHEL 9 package "crypto-policies" has not been modified with the following command:
+
+$ rpm -V crypto-policies
+
+If the command has any output, this is a finding.</check-content></check></Rule></Group><Group id="V-258236"><title>SRG-OS-000396-GPOS-00176</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258236r926695_rule" weight="10.0" severity="medium"><version>RHEL-09-672020</version><title>RHEL 9 crypto policy must not be overridden.</title><description>&lt;VulnDiscussion&gt;Centralized cryptographic policies simplify applying secure ciphers across an operating system and the applications that run on that operating system. Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data.
+
+Satisfies: SRG-OS-000396-GPOS-00176, SRG-OS-000393-GPOS-00173, SRG-OS-000394-GPOS-00174&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002450</ident><ident system="http://cyber.mil/cci">CCI-002890</ident><ident system="http://cyber.mil/cci">CCI-003123</ident><fixtext fixref="F-61901r926694_fix">Configure RHEL 9 to FIPS crypto policy.
+
+$ sudo ln -s /usr/share/crypto-policies/FIPS/&lt;service&gt;.txt /etc/crypto-policies/back-ends/&lt;service&gt;.conf
+
+Replace &lt;service&gt; with every service that is not set to FIPS.
+
+The system must be rebooted to make the changes to take effect.</fixtext><fix id="F-61901r926694_fix" /><check system="C-61977r926693_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 custom crypto policies are loaded correctly.
+
+List all of the crypto backends configured on the system.
+
+$ ls -l /etc/crypto-policies/back-ends/ 
+lrwxrwxrwx. 1 root root 40 Oct  7 08:44 bind.config -&gt; /usr/share/crypto-policies/FIPS/bind.txt
+lrwxrwxrwx. 1 root root 42 Oct  7 08:44 gnutls.config -&gt; /usr/share/crypto-policies/FIPS/gnutls.txt
+lrwxrwxrwx. 1 root root 40 Oct  7 08:44 java.config -&gt; /usr/share/crypto-policies/FIPS/java.txt
+lrwxrwxrwx. 1 root root 46 Oct  7 08:44 javasystem.config -&gt; /usr/share/crypto-policies/FIPS/javasystem.txt
+lrwxrwxrwx. 1 root root 40 Oct  7 08:44 krb5.config -&gt; /usr/share/crypto-policies/FIPS/krb5.txt
+lrwxrwxrwx. 1 root root 45 Oct  7 08:44 libreswan.config -&gt; /usr/share/crypto-policies/FIPS/libreswan.txt
+lrwxrwxrwx. 1 root root 42 Oct  7 08:44 libssh.config -&gt; /usr/share/crypto-policies/FIPS/libssh.txt
+lrwxrwxrwx. 1 root root 39 Oct  7 08:44 nss.config -&gt; /usr/share/crypto-policies/FIPS/nss.txt
+lrwxrwxrwx. 1 root root 43 Oct  7 08:44 openssh.config -&gt; /usr/share/crypto-policies/FIPS/openssh.txt
+lrwxrwxrwx. 1 root root 49 Oct  7 08:44 opensshserver.config -&gt; /usr/share/crypto-policies/FIPS/opensshserver.txt
+lrwxrwxrwx. 1 root root 46 Oct  7 08:44 opensslcnf.config -&gt; /usr/share/crypto-policies/FIPS/opensslcnf.txt
+lrwxrwxrwx. 1 root root 43 Oct  7 08:44 openssl.config -&gt; /usr/share/crypto-policies/FIPS/openssl.txt
+
+If the paths do not point the respective files under /usr/share/crypto-policies/FIPS path, this is a finding.</check-content></check></Rule></Group><Group id="V-258237"><title>SRG-OS-000120-GPOS-00061</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258237r926698_rule" weight="10.0" severity="medium"><version>RHEL-09-672025</version><title>RHEL 9 must use mechanisms meeting the requirements of applicable federal laws, executive orders, directives, policies, regulations, standards, and guidance for authentication to a cryptographic module.</title><description>&lt;VulnDiscussion&gt;Overriding the system crypto policy makes the behavior of Kerberos violate expectations, and makes system configuration more fragmented.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-000803</ident><fixtext fixref="F-61902r926697_fix">Configure Kerberos to use system crypto policy.
+
+Create a symlink pointing to system crypto policy in the Kerberos configuration using the following command:
+
+$ sudo ln -s /etc/crypto-policies/back-ends/krb5.config /usr/share/crypto-policies/FIPS/krb5.txt</fixtext><fix id="F-61902r926697_fix" /><check system="C-61978r926696_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the symlink exists and targets the correct Kerberos crypto policy, with the following command:
+
+file /etc/crypto-policies/back-ends/krb5.config
+
+If command output shows the following line, Kerberos is configured to use the system-wide crypto policy:
+
+/etc/crypto-policies/back-ends/krb5.config: symbolic link to /usr/share/crypto-policies/FIPS/krb5.txt
+
+If the symlink does not exist or points to a different target, this is a finding.</check-content></check></Rule></Group><Group id="V-258238"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258238r926701_rule" weight="10.0" severity="high"><version>RHEL-09-672030</version><title>RHEL 9 must implement DOD-approved TLS encryption in the GnuTLS package.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Transport Layer Security (TLS) encryption is a required security setting as a number of known vulnerabilities have been reported against Secure Sockets Layer (SSL) and earlier versions of TLS. Encryption of private information is essential to ensuring data confidentiality. If private information is not encrypted, it can be intercepted and easily read by an unauthorized party. SQL Server must use a minimum of FIPS 140-3 approved TLS version 1.2, and all non-FIPS-approved SSL and TLS versions must be disabled. NIST 800-53 specifies the preferred configurations for government systems.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+Satisfies: SRG-OS-000250-GPOS-00093, SRG-OS-000423-GPOS-00187&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><ident system="http://cyber.mil/cci">CCI-002418</ident><fixtext fixref="F-61903r926700_fix">Configure the RHEL 9 GnuTLS library to use only NIST-approved encryption with the following steps to enable FIPS mode:
+
+$ sudo fips-mode-setup --enable
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61903r926700_fix" /><check system="C-61979r926699_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify if GnuTLS uses defined DOD-approved TLS Crypto Policy with the following command:
+
+ $ update-crypto-policies --show
+FIPS
+
+If the system wide crypto policy is not set to "FIPS", this is a finding.</check-content></check></Rule></Group><Group id="V-258239"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258239r926704_rule" weight="10.0" severity="medium"><version>RHEL-09-672035</version><title>RHEL 9 must implement DOD-approved encryption in the OpenSSL package.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/openssl.config file.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61904r926703_fix">Configure the RHEL 9 OpenSSL library to use the system cryptographic policy.
+
+Edit the "/etc/pki/tls/openssl.cnf" and add or modify the following line:
+
+.include = /etc/crypto-policies/back-ends/opensslcnf.config</fixtext><fix id="F-61904r926703_fix" /><check system="C-61980r926702_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 OpenSSL library is configured to use only ciphers employing FIPS 140-3 approved algorithms with the following command:
+
+$ sudo grep -i opensslcnf.config /etc/pki/tls/openssl.cnf
+
+.include = /etc/crypto-policies/back-ends/opensslcnf.config
+
+If the "opensslcnf.config" is not defined in the "/etc/pki/tls/openssl.cnf" file, this is a finding.</check-content></check></Rule></Group><Group id="V-258240"><title>SRG-OS-000250-GPOS-00093</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258240r926707_rule" weight="10.0" severity="medium"><version>RHEL-09-672040</version><title>RHEL 9 must implement DOD-approved TLS encryption in the OpenSSL package.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Remote access (e.g., RDP) is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, nonorganization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/openssl.config file.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-001453</ident><fixtext fixref="F-61905r926706_fix">Configure the RHEL 9 OpenSSL library to use only DOD-approved TLS encryption by editing the following line in the "/etc/crypto-policies/back-ends/opensslcnf.config" file:
+
+TLS.MinProtocol = TLSv1.2
+DTLS.MinProtocol = DTLSv1.2
+
+A reboot is required for the changes to take effect.</fixtext><fix id="F-61905r926706_fix" /><check system="C-61981r926705_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that RHEL 9 OpenSSL library is configured to use TLS 1.2 encryption or stronger with following command:
+
+$ grep -i  minprotocol /etc/crypto-policies/back-ends/opensslcnf.config
+
+TLS.MinProtocol = TLSv1.2
+DTLS.MinProtocol = DTLSv1.2
+
+If the "TLS.MinProtocol" is set to anything older than "TLSv1.2" or the "DTLS.MinProtocol" is set to anything older than "DTLSv1.2", this is a finding.</check-content></check></Rule></Group><Group id="V-258241"><title>SRG-OS-000396-GPOS-00176</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258241r926710_rule" weight="10.0" severity="medium"><version>RHEL-09-672045</version><title>RHEL 9 must implement a system-wide encryption policy.</title><description>&lt;VulnDiscussion&gt;Centralized cryptographic policies simplify applying secure ciphers across an operating system and the applications that run on that operating system. Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data.
+
+Satisfies: SRG-OS-000396-GPOS-00176, SRG-OS-000393-GPOS-00173, SRG-OS-000394-GPOS-00174&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002450</ident><ident system="http://cyber.mil/cci">CCI-002890</ident><ident system="http://cyber.mil/cci">CCI-003123</ident><fixtext fixref="F-61906r926709_fix">Configure the operating system to implement FIPS mode with the following command
+
+$ sudo fips-mode-setup --enable
+
+Reboot the system for the changes to take effect.</fixtext><fix id="F-61906r926709_fix" /><check system="C-61982r926708_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that the RHEL 9 cryptography policy has been configured correctly with the following commands:
+
+$ sudo update-crypto-policies --show 
+
+FIPS
+
+If the cryptography is not set to "FIPS" and is not applied, this is a finding.
+
+$ sudo update-crypto-policies --check
+
+The configured policy matches the generated policy
+
+If the command does not return "The configured policy matches the generated policy", this is a finding.</check-content></check></Rule></Group><Group id="V-258242"><title>SRG-OS-000423-GPOS-00187</title><description>&lt;GroupDescription&gt;&lt;/GroupDescription&gt;</description><Rule id="SV-258242r926713_rule" weight="10.0" severity="medium"><version>RHEL-09-672050</version><title>RHEL 9 must implement DOD-approved encryption in the bind package.</title><description>&lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
+
+Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
+
+RHEL 9 incorporates system-wide crypto policies by default. The employed algorithms can be viewed in the /etc/crypto-policies/back-ends/ directory.
+
+Satisfies: SRG-OS-000423-GPOS-00187, SRG-OS-000426-GPOS-00190&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&lt;/FalsePositives&gt;&lt;FalseNegatives&gt;&lt;/FalseNegatives&gt;&lt;Documentable&gt;false&lt;/Documentable&gt;&lt;Mitigations&gt;&lt;/Mitigations&gt;&lt;SeverityOverrideGuidance&gt;&lt;/SeverityOverrideGuidance&gt;&lt;PotentialImpacts&gt;&lt;/PotentialImpacts&gt;&lt;ThirdPartyTools&gt;&lt;/ThirdPartyTools&gt;&lt;MitigationControl&gt;&lt;/MitigationControl&gt;&lt;Responsibility&gt;&lt;/Responsibility&gt;&lt;IAControls&gt;&lt;/IAControls&gt;</description><reference><dc:title>DPMS Target Red Hat Enterprise Linux 9</dc:title><dc:publisher>DISA</dc:publisher><dc:type>DPMS Target</dc:type><dc:subject>Red Hat Enterprise Linux 9</dc:subject><dc:identifier>5551</dc:identifier></reference><ident system="http://cyber.mil/cci">CCI-002418</ident><ident system="http://cyber.mil/cci">CCI-002422</ident><fixtext fixref="F-61907r926712_fix">Configure BIND to use the system crypto policy.
+
+Add the following line to the "options" section in "/etc/named.conf":
+
+include "/etc/crypto-policies/back-ends/bind.config";</fixtext><fix id="F-61907r926712_fix" /><check system="C-61983r926711_chk"><check-content-ref href="Red_Hat_Enterprise_Linux_9_STIG.xml" name="M" /><check-content>Verify that BIND uses the system crypto policy with the following command:
+
+Note: If the "bind" package is not installed, this requirement is Not Applicable.
+
+$ sudo grep include /etc/named.conf 
+
+include "/etc/crypto-policies/back-ends/bind.config";' 
+
+If BIND is installed and the BIND config file doesn't contain the  include "/etc/crypto-policies/back-ends/bind.config" directive, or the line is commented out, this is a finding.</check-content></check></Rule></Group></Benchmark>
\ No newline at end of file
diff --git a/stigs.json b/stigs.json
index 106f3b1dd..963cd0b3b 100644
--- a/stigs.json
+++ b/stigs.json
@@ -4264,18 +4264,32 @@
     "url": "https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/scc-5.8_Windows_bundle.zip",
     "size": "153.92 MB"
   },
-  {
-    "id": "8e39806b-2361-47e3-a9d2-94d6253bed6f",
-    "name": "z/OS ACF2 Products - Ver 6, Rel 58",
-    "url": "https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_zOS_ACF2_V6R58_Products.zip",
-    "size": "9.77 MB",
-    "version": "V6R58"
-  },
   {
     "id": "3de48c6c-8512-4d4f-800d-0d79e05041af",
     "name": "z/OS SRR Scripts - Ver 6, Rel 58",
     "url": "https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_zOS_V6R58_SRR.zip",
     "size": "1.88 MB",
     "version": "V6R58"
+  },
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 ]
\ No newline at end of file