Vulnerability in Amd Epyc™ 7003 Series Processors
CVE-2025-52536
Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity.
EPSS: 0.000 (4.9th percentile) — read the EPSS interpretation.
Affected products
- Amd Epyc™ 7003 Series Processors — versions MilanPI 1.0.0.H
- Amd Epyc™ 8004 Series Processors — versions GenoaPI 1.0.0.G
- Amd Epyc™ 9004 Series Processors — versions GenoaPI 1.0.0.G
- Amd Epyc™ 9005 Series Processors — versions TurinPI 1.0.0.5
- Amd Epyc™ Embedded 7003 Series Processors — versions EmbMilanPI-SP3 v9 1.0.0.C
- Amd Epyc™ Embedded 8004 Series Processors — versions EmbGenoaPI-SP5 1.0.0.B
- Amd Epyc™ Embedded 9004 Series Processors (Formerly Codenamed "Bergamo") — versions EmbGenoaPI-SP5 1.0.0.B
- Amd Epyc™ Embedded 9004 Series Processors (Formerly Codenamed "Genoa") — versions EmbGenoaPI-SP5 1.0.0.B
- Amd Epyc™ Embedded 9005 Series Processors — versions EmbTurinPI-SP5_1.0.0.1