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AMD won't patch all chips affected by severe data theft vulnerability — Ryzen 3000, 2000, and 1000 will not get patched for 'Sinkclose' (www.tomshardware.com)

submitted 2 years ago by TheHolm@aussie.zone to c/selfhosted@lemmy.world

180 comments fedilink hide all child comments

Here we are - 3600 which was still under manufacture 2-3 years ago are not get patched. Shame on you AMD, if it is true.

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[–] princessnorah@lemmy.blahaj.zone 4 points 2 years ago

The OS can't get to the point of loading cpu microcode without that outdated, embedded microcode. The reason it can persist is because there aren't a lot of good ways to see what that UEFI microcode actually is once it's installed. Plus, only the UEFI tells you that it has successfully updated itself. There is no other more authoritative system to verify that against. So the virus could just lie and say it's gone and you would never know. Hence needing to treat it as the worst case scenario, that it never leaves.