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aftbit
11 months ago
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DEF Con 32 – AMD Sinkclose Universal Ring-2 Privil...
So wait, is this fixed in BIOS or microcode?
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/lin...
yencabulator
11 months ago
[–]
Based on my reading of
https://www.amd.com/en/resources/product-security/bulletin/a...
there's a microcode fix for EPYC generations 1-4 that requires no downtime, everything else needs a firmware update.
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