CVE-2025-52536

No fix known EPSS <1%CVSS 6.7

Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity.

Published 2026-02-10 · CVE record · OSV

Products: AMD EPYC™ 9004 Series Processors, AMD EPYC™ 7003 Series Processors, AMD EPYC™ 9005 Series Processors, AMD EPYC™ 8004 Series Processors, AMD EPYC™ Embedded 7003 Series Processors, AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa"), AMD EPYC™ Embedded 9005 Series Processors, AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo"), AMD EPYC™ Embedded 8004 Series Processors

Distro releases