CVE-2025-61971

Published: May 13, 2026

Modified: May 13, 2026

PUBLISHED

Description

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to modify MMIO routing configurations, potentially resulting in loss of SEV-SNP guest integrity.

Vendor	Product	Versions
AMD	AMD EPYC™ 9004 Series Processors	unaffected `GenoaPI_1.0.0.H`
AMD	AMD EPYC™ 7003 Series Processors	unaffected `MilanPI-SP3_1.0.0.J`
AMD	AMD EPYC™ 9005 Series Processors	unaffected `TurinPI_1.0.0.8`
AMD	AMD EPYC™ 8004 Series Processors	unaffected `GenoaPI_1.0.0.H`
AMD	AMD EPYC™ Embedded 7003 Series Processors	unaffected `EmbMilanPI-SP3 1.0.0.D`
AMD	AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")	unaffected `EmbGenoaPI-SP5 1.0.0.D`
AMD	AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")	unaffected `EmbGenoaPI-SP5 1.0.0.D`
AMD	AMD EPYC™ Embedded 8004 Series Processors	unaffected `EmbGenoaPI-SP5 1.0.0.D`
AMD	AMD EPYC™ Embedded 9005 Series Processors	unaffected `EmbeddedTurinPI_SP5_1004`

Weaknesses (CWE)

CWE-1233

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html

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CVE-2025-61971

Description

Affected Products

Weaknesses (CWE)

References