Use After Free Vulnerability in SEV Firmware by AMD
CVE-2025-0031

4.6MEDIUM

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:
10 February 2026

What is CVE-2025-0031?

A vulnerability exists in the SEV firmware that could be exploited by a malicious hypervisor. This flaw allows the hypervisor to activate a migrated guest using the SINGLE_SOCKET policy on a different socket than the migration agent, which could lead to integrity loss of the system.

Affected Version(s)

AMD EPYC™ 7003 Series Processors MilanPI 1.0.0.H

AMD EPYC™ 8004 Series Processors GenoaPI 1.0.0.G

AMD EPYC™ 9004 Series Processors GenoaPI 1.0.0.G

References

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

CVSS V4

Score:
4.6
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

.