Improper Input Validation in AMD SEV Firmware
CVE-2025-54507

5.9MEDIUM

Key Information:

Vendor

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

What is CVE-2025-54507?

The vulnerability in AMD's Secure Encrypted Virtualization (SEV) firmware stems from inadequate validation of input consistency. This flaw could empower an attacker who possesses administrative access to create multiple ReMemory Protection (RMP) entries for the same guest physical address. Such actions may compromise the integrity of the guest, leading to significant security risks in virtualized environments.

Affected Version(s)

AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.8

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

.