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CVE-2025-52536

AMD / AMD EPYC™ 9004 Series Processors PUBLISHED

Description (CNA)

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

Affected (CNA)

Vendor / product	Versions
AMD / AMD EPYC™ 9004 Series Processors	unaffected GenoaPI 1.0.0.G
AMD / AMD EPYC™ 7003 Series Processors	unaffected MilanPI 1.0.0.H
AMD / AMD EPYC™ 9005 Series Processors	unaffected TurinPI 1.0.0.5
AMD / AMD EPYC™ 8004 Series Processors	unaffected GenoaPI 1.0.0.G
AMD / AMD EPYC™ Embedded 7003 Series Processors	unaffected EmbMilanPI-SP3 v9 1.0.0.C
AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")	unaffected EmbGenoaPI-SP5 1.0.0.B
AMD / AMD EPYC™ Embedded 9005 Series Processors	unaffected EmbTurinPI-SP5_1.0.0.1
AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")	unaffected EmbGenoaPI-SP5 1.0.0.B
AMD / AMD EPYC™ Embedded 8004 Series Processors	unaffected EmbGenoaPI-SP5 1.0.0.B

CWE

CWE-1231

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.