Local Privilege Escalation Vulnerability in AMD Processor Configuration
CVE-2025-61971

5.9MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 9004 Series Processors
Amd Epyc™ 7003 Series Processors
Amd Epyc™ 9005 Series Processors
Amd Epyc™ 8004 Series Processors
Vendor
CVE Published:
13 May 2026

What is CVE-2025-61971?

A vulnerability exists in AMD processors due to missing lock bit protection for NBIO registers. This oversight may permit a local admin-privileged attacker to alter MMIO routing configurations. If exploited, this could compromise the integrity of SEV-SNP guests, leading to potential data breaches or unintended access to sensitive information.

Affected Version(s)

AMD EPYC™ 7003 Series Processors MilanPI-SP3_1.0.0.J

AMD EPYC™ 8004 Series Processors GenoaPI_1.0.0.H

AMD EPYC™ 9004 Series Processors GenoaPI_1.0.0.H

References

https://www.amd.com/en/resources/product-security/bulleti...

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.