this post was submitted on 09 Aug 2024
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‘Sinkclose’ Flaw in Hundreds of Millions of AMD Chips Allows Deep, Virtually Unfixable Infections (www.wired.com)
submitted 5 months ago by nzmaa@lemy.lol to c/technology@lemmy.world
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[–] riskable@programming.dev 0 points 5 months ago (2 children)

A list of the effected processors would've been nice, Wired.

[–] mox@lemmy.sdf.org 0 points 5 months ago* (last edited 5 months ago)

AMD hadn't published a list when the article was first run, but it has since been updated. It now gives one:

but it pointed to a full list of affected products that can be found on its website's [security bulletin page](but it pointed to a full list of affected products that can be found on its website's security bulletin page..

[–] vikingtons@lemmy.world 0 points 5 months ago (1 children)
[–] BlackLaZoR@kbin.run 0 points 5 months ago (2 children)

it may be possible for an attacker with ring 0 access to modify the configuration of System Management Mode (SMM) even when SMM Lock is enabled.

If attacker has a ring 0 access he can already screw you up any way he wants

[–] vikingtons@lemmy.world 0 points 5 months ago (1 children)

that's all well and good, I was just responding to someone who wanted the list of affected products

[–] WHYAREWEALLCAPS@fedia.io 0 points 5 months ago

It only mentions ring 0 access in your link, ergo they responded to your post because it was the most appropriate. At least that's how I see it.

[–] SzethFriendOfNimi@lemmy.world 0 points 5 months ago

True. This does allow for persistent recurring infection post clean and cold boot.

Interesting flaw to keep an eye on.