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Add reference for RETBleed

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raja-grewal
2024-05-01 13:49:00 +10:00
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parent 015dcc4212
commit d89d7e8ef8
1 changed files with 1 additions and 0 deletions
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etc/default/grub.d/40_cpu_mitigations.cfg
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@ -70,6 +70,7 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mmio_stale_data=full,nosmt"
## Enable mitigations for RETBleed (Arbitrary Speculative Code Execution with ## Enable mitigations for RETBleed (Arbitrary Speculative Code Execution with
## Return Instructions) vulnerability and disable SMT. ## Return Instructions) vulnerability and disable SMT.
## ##
## https://www.suse.com/support/kb/doc/?id=000020693
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt" GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt"
## Control RAS overflow mitigation on AMD Zen CPUs. ## Control RAS overflow mitigation on AMD Zen CPUs.