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Status published
Medium
CVE-2025-61971
Missing lock bit protection for NBIO registers could allow a...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
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 9004 Series Processors (formerly codenamed "Bergamo"), AMD EPYC™ Embedded 8004 Series Processors, AMD EPYC™ Embedded 9005 Series Processors
Vulnerable Versions:
GenoaPI_1.0.0.H, MilanPI-SP3_1.0.0.J, TurinPI_1.0.0.8, EmbMilanPI-SP3 1.0.0.D, EmbGenoaPI-SP5 1.0.0.D, EmbeddedTurinPI_SP5_1004
Timeline
Official Publish:
May 13th, 2026
Last Modified:
May 13th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.