AMD fixes RNG flaw impacting Ryzen and Epyc CPUs

theregister.com

AMD is patching a critical vulnerability in Ryzen and Epyc CPUs that could weaken cryptographic keys. The flaw, CVE-2025-62626, affects Zen 5 chips and allows local attackers to manipulate random number generation, potentially compromising security. Workarounds include using the 64-bit RDSEED function or disabling it. Patches are rolling out, with full availability expected by January 2026.


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AMD fixes RNG flaw impacting Ryzen and Epyc CPUs | News Minimalist