Pulse of Truth

478 readers

170 users here now

Cyber Security news and links to cyber security stories that could make you go hmmm. The content is exactly as it is consumed through RSS feeds and wont be edited (except for the occasional encoding errors).

This community is automagically fed by an instance of Dittybopper.

founded 1 year ago

MODERATORS

krogoth@infosec.pub

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

submitted 3 months ago by lemmydev2@infosec.pub to c/pulse_of_truth@infosec.pub

4 comments fedilink hide all child comments

Researchers warn that a bug in AMD’s chips would allow attackers to root into some of the most privileged portions of a computer—and that it has persisted in the company’s processors for decades.

you are viewing a single comment's thread
view the rest of the comments

[–] mrvictory1@lemmy.world 0 points 3 months ago

User level: Ring 3. Kernel level: Ring 0. This is the highest level an OS is supposed to access. SMM: Ring -2. Here is a post about accessing SMM if you are interested (scroll down to HP daystarter) https://cohost.org/cathoderaydude/post/1311259-hell-never-ends-on-x