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Update docs on CPU MSR disabling

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raja-grewal 2025-11-21 12:36:32 +00:00 • committed by GitHub
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etc/modprobe.d/30_security-misc_disable.conf#security-misc-shared
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@ -232,8 +232,10 @@ install sctp_diag /usr/bin/disabled-network-by-security-misc
install hamradio /usr/bin/disabled-miscellaneous-by-security-misc
## CPU Model-Specific Registers (MSRs):
## Disable CPU MSRs as they can be abused to write to arbitrary memory.
## Can disable CPU MSRs as they can be abused to write to arbitrary memory.
##
## https://en.wikipedia.org/wiki/Model-specific_register
## https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/reading-writing-msrs-in-linux.html
## https://security.stackexchange.com/questions/119712/methods-root-can-use-to-elevate-itself-to-kernel-mode
## https://github.com/Kicksecure/security-misc/issues/215
##