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‘Sinkclose’ Flaw in Hundreds of Millions of AMD Chips Allows Deep, Virtually Unfixable Infections (www.wired.com)

submitted 3 months ago by alessandro@lemmy.ca to c/pcgaming@lemmy.ca

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[–] BlackLaZoR@kbin.run 31 points 3 months ago (8 children)

Requires ring 0 access to the system in the first place. So for any normal user it's a nothing burger

[–] breadsmasher@lemmy.world 9 points 3 months ago (5 children)

Not quite a nothingburger

Nissim and Okupski note that exploiting the bug would require hackers to already have obtained relatively deep access to an AMD-based PC or server, but that the Sinkclose flaw would then allow them to plant their malicious code far deeper still. In fact, for any machine with one of the vulnerable AMD chips, the IOActive researchers warn that an attacker could infect the computer with malware known as a “bootkit” that evades antivirus tools and is potentially invisible to the operating system, while offering a hacker full access to tamper with the machine and surveil its activity.

[–] Auli@lemmy.ca 1 points 3 months ago

Woudn't secure boot catch this as long as you don't have one of the boards with the do not use key.

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