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CPU mitigation - SRBDS

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Raja Grewal 2022-07-19 02:30:49 +10:00
parent 73f1e23332
commit 8531fbf99d
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etc/default/grub.d/40_cpu_mitigations.cfg
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@ -41,3 +41,8 @@ GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX tsx=off tsx_async_abort=full,nosmt"
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/multihit.html
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX kvm.nx_huge_pages=force"
## Enables mitigations for SRBDS to prevent MDS attacks on RDRAND and RDSEED instructions.
##
## https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/special-register-buffer-data-sampling.html
GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX srbds=on"