Vulnerability in AMD Epyc™ 8004 Series Processors
CVE-2025-61972
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.
Published · last modified .
EPSS exploit prediction
EPSS: 0.001 (2.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- AMD Epyc™ 8004 Series Processors — versions GenoaPI_1.0.0.H
- AMD Epyc™ 9004 Series Processors — versions GenoaPI_1.0.0.H
- AMD Epyc™ 9005 Series Processors — versions TurinPI_1.0.0.8
- AMD Epyc™ Embedded 8004 Series Processors — versions EmbGenoaPI-SP5 1.0.0.D
- AMD Epyc™ Embedded 9004 Series Processors (Formerly Codenamed "Bergamo") — versions EmbGenoaPI-SP5 1.0.0.D
- AMD Epyc™ Embedded 9004 Series Processors (Formerly Codenamed "Genoa") — versions EmbGenoaPI-SP5 1.0.0.D
- AMD Epyc™ Embedded 9005 Series Processors — versions EmbeddedTurinPI_SP5_1004