Vulnerability in AMD Epyc™ 7003 Series Processors
CVE-2025-61971
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.
Published · last modified .
EPSS exploit prediction
EPSS: 0.001 (1.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.5% 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™ 7003 Series Processors — versions MilanPI-SP3_1.0.0.J
- 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 7003 Series Processors — versions EmbMilanPI-SP3 1.0.0.D
- 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