CVE-2025-61971
Last modified
CVE-2025-61971 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | All versions |
| AMD | AMD EPYC™ 7003 Series Processors | All versions |
| AMD | AMD EPYC™ 9005 Series Processors | All versions |
| AMD | AMD EPYC™ 8004 Series Processors | All versions |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | All versions |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") | All versions |
| AMD | AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") | All versions |
| AMD | AMD EPYC™ Embedded 8004 Series Processors | All versions |
| AMD | AMD EPYC™ Embedded 9005 Series Processors | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Scan your code nowSource: NVD / NIST