CVE-2025-61972

State: Published
Severity: 8.5 High
Published: May 13, 2026
Updated: May 14, 2026
Reserved: Oct 4, 2025

Description

Missing lock bit protection for NBIO registers could allow a local admin-privileged attacker to gain arbitrary System Management Network (SMN) access, potentially resulting in arbitrary code execution in AMD Secure Processor (ASP) and loss of the SEV-SNP guest's confidentiality and integrity.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N	AMD

Weaknesses

CWE-1233 Security-Sensitive Hardware Controls with Missing Lock Bit Protection

Affected Products

Product	Versions
AMD EPYC™ 9004 Series ProcessorsAMD	GenoaPI_1.0.0.HNot affected
AMD EPYC™ 9005 Series ProcessorsAMD	TurinPI_1.0.0.8Not affected
AMD EPYC™ 8004 Series ProcessorsAMD	GenoaPI_1.0.0.HNot affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")AMD	EmbGenoaPI-SP5 1.0.0.DNot affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")AMD	EmbGenoaPI-SP5 1.0.0.DNot affected
AMD EPYC™ Embedded 8004 Series ProcessorsAMD	EmbGenoaPI-SP5 1.0.0.DNot affected
AMD EPYC™ Embedded 9005 Series ProcessorsAMD	EmbeddedTurinPI_SP5_1004Not affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.