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Enable mitigations for RETBleed vulnerability and disable SMT

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raja-grewal
2024-01-29 12:58:51 +00:00
committed by GitHub
parent 4509a5fc95
commit 6c54e35027
1 changed files with 5 additions and 0 deletions
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5
etc/default/grub.d/40_cpu_mitigations.cfg
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@ -63,3 +63,8 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX l1d_flush=on"
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX mmio_stale_data=full,nosmt"
## Enable mitigations for RETBleed (Arbitrary Speculative Code Execution with
## Return Instructions) vulnerability and disable SMT.
##
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt"