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enh: zenbleed: give a manual mitigation in --explain

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Stéphane Lesimple 2023-07-26 16:30:20 +02:00
parent e99a548dcc
commit c0869d7341
1 changed files with 3 additions and 1 deletions
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spectre-meltdown-checker.sh
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@ -6038,7 +6038,9 @@ check_CVE_2023_20593_linux()
explain "Your CPU vendor may have a new microcode for your CPU model that mitigates this issue (refer to the hardware section above).\n " \ explain "Your CPU vendor may have a new microcode for your CPU model that mitigates this issue (refer to the hardware section above).\n " \
"Otherwise, the Linux kernel is able to mitigate this issue regardless of the microcode version you have, but in this case\n " \ "Otherwise, the Linux kernel is able to mitigate this issue regardless of the microcode version you have, but in this case\n " \
"your kernel is too old to support this, your Linux distribution vendor might have a more recent version you should upgrade to.\n " \ "your kernel is too old to support this, your Linux distribution vendor might have a more recent version you should upgrade to.\n " \
"Note that either having an up to date microcode OR an up to date kernel is enough to mitigate this issue." "Note that either having an up to date microcode OR an up to date kernel is enough to mitigate this issue.\n " \
"To manually mitigate the issue right now, you may use the following command: \`wrmsr -a 0xc0011029 \$((\$(rdmsr -c 0xc0011029) | (1<<9)))\`,\n " \
"however note that this manual mitigation will only be active until the next reboot."
fi fi
unset zenbleed_print_vuln unset zenbleed_print_vuln
else else