Tag: Zen

  • The Register: Google: How to make any AMD Zen CPU always generate 4 as a random number

    Source URL: https://www.theregister.com/2025/02/04/google_amd_microcode/ Source: The Register Title: Google: How to make any AMD Zen CPU always generate 4 as a random number Feedly Summary: Malicious microcode vulnerability discovered, fixes rolling out for Epycs at least Googlers have not only figured out how to break AMD’s security – allowing them to load unofficial microcode into its…

  • Hacker News: AMD: Microcode Signature Verification Vulnerability

    Source URL: https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w Source: Hacker News Title: AMD: Microcode Signature Verification Vulnerability Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses a security vulnerability in AMD Zen-based CPUs identified by Google’s Security Team, which allows local administrator-level attacks on the microcode verification process. This is significant for professionals in infrastructure and hardware…