Pulse of Truth

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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).

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krogoth@infosec.pub

Flipping one bit leaves AMD CPUs open to VM vuln (www.theregister.com)

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

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Fix landed in July, but OEM firmware updates are required If you use virtual machines, there's reason to feel less-than-Zen about AMD's CPUs. Computer scientists affiliated with the CISPA Helmholtz Center for Information Security in Germany have found a vulnerability in AMD CPUs that exposes secrets in its secure virtualization environment.…

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[–] rowdy@piefed.social 6 points 3 months ago

Low severity. Good that it got attention but this requires attackers to already have access to the HV - meaning you’re already screwed.