Privilege Escalation in Secure Encrypted Virtualization Firmware by AMD
CVE-2025-29940

5.9MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 9005 Series Processors
Amd Epyc™ Embedded 9005 Series Processors
Vendor
CVE Published:
10 November 2026

What is CVE-2025-29940?

An issue in Secure Encrypted Virtualization (SEV) firmware allows an attacker with privileged access to a compromised hypervisor to exploit unverified ownership. This vulnerability could enable the attacker to overwrite guest memory when segmented Reverse Map Table (RMP) is operational, potentially jeopardizing data integrity within the guest environments.

Affected Version(s)

AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.A

AMD EPYC™ Embedded 9005 Series Processors EmbeddedTurinPI_SP5_1004

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

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