CVE-2025-29943: AMD Epyc 8004 Series Processors

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest.

Affected products

• AMD AMD Epyc 8004 Series Processors
• AMD AMD Epyc 9004 Series Processors
• AMD AMD Epyc 9005 Series Processors
• AMD AMD Epyc Embedded 7003 Series Processors
• AMD AMD Epyc Embedded 9005 Series Processors

Published 2026-01-16. Last modified 2026-06-17.