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8. SMRAM Overwrite in SmmVariableHandler {#smram-overwrite-in-smmvariablehandler}

Description:

The function SmmVariableHandler did not correctly validate inputs. This could result in an overwrite of SMRAM.

Recommendation:

This issue is addressed by EDK2 SVN https://sourceforge.net/p/edk2/code/13486 and https://sourceforge.net/p/edk2/code/13534

Acknowledgments:

Reported by the Advanced Threat Research team at Intel Security.