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fix(bare-metal): mention ghostwrite attack on EM-RV1 #3582

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Aug 8, 2024
Merged

fix(bare-metal): mention ghostwrite attack on EM-RV1 #3582

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9 changes: 6 additions & 3 deletions bare-metal/elastic-metal/reference-content/elastic-metal-rv1-guidelines.mdx
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Expand Up @@ -123,8 +123,10 @@ custom upgrade channel. Follow the steps below to update your kernel:

Although we do not recommend it, you can also enable support for vector
instructions with the `--enable-vector` flag. Be aware that this feature
implements an unratified version of RISC-V vector instructions (RVV 0.7.1)
which requires specific development efforts.
makes your system vulnerable to the
[GhostWrite](https://ghostwriteattack.com/) attack and implements an
unratified version of RISC-V vector instructions (RVV 0.7.1) which requires
specific development efforts.

For a comprehensive list of options, refer to `rv1 update-kernel --help`.
</Message>
Expand All @@ -133,7 +135,8 @@ custom upgrade channel. Follow the steps below to update your kernel:

<Message type="note">
If you are updating from kernel version `5.10.113-scw0` or lower, note that
newer kernels disable vector instructions by default. Refer to the process above if you still wish to keep them enabled.
newer kernels disable vector instructions by default. Refer to the process
above if you still wish to keep them enabled.
</Message>


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