Pulse of Truth

461 readers

44 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

[email protected]

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

submitted 2 months ago by [email protected] to c/[email protected]

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.

top 4 comments

sorted by: hot top controversial new old

[–] [email protected] 9 points 2 months ago (1 children)

tldr: this exploit allows someone with kernel level access to reach system management mode.

[–] [email protected] 4 points 2 months ago (1 children)

I wouldn't call myself a computer science expert, but if you have kernel level access can't you already reach system management mode? Or am I way off the mark here?

[–] [email protected] 0 points 2 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

[–] [email protected] 1 points 2 months ago

Intel: OPEN,,, THE FOLDER!!!

THROW ALL THE DIRT AT THE COMPETITION!!!

...

shit

WHAT ARE YOU WAITING FOR PEON?!!

The computer just crashed.