Improper Validation in Secure Encrypted Virtualization Firmware by AMD
CVE-2025-54508

4MEDIUM

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-2025-54508?

Improper validation of Reverse Map Table (RMP) entries in AMD's Secure Encrypted Virtualization (SEV) firmware enables an attacker with privileged access to execute concurrent modifications. This flaw could lead to a lack of synchronization, potentially compromising data integrity.

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:
4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.