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BHI mitigation on Intel CPUs #216

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Apr 12, 2024
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BHI mitigation on Intel CPUs #216

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5 changes: 5 additions & 0 deletions etc/default/grub.d/40_cpu_mitigations.cfg
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Expand Up @@ -75,3 +75,8 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX retbleed=auto,nosmt"
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html

## Enables mitigation of Branch History Injection vulnerabilities on Intel CPUs.
##
## https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2bb69f5fc72183e1c62547d900f560d0e9334925
## TODO: update the above link with better alternative when possible
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX spectre_bhi=on"