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AMD: Microcode Signature Verification Vulnerability https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w
AMD: Microcode Signature Verification Vulnerability

### Summary Google Security Team has identified a security vulnerability in some AMD Zen-based CPUs. This vulnerability allows an adversary with local administrator privileges (ring 0 from outside...

GitHub
Feb 3, 2025 at 7:50pmWeb
Show threadFrederikFeb 3, 2025

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A test payload for Milan and Genoa CPUs that makes the RDRAND instruction return 4

Heh, the XKCD 221 patch