Firmware Vulnerability in AMD Secure Processor Affecting Zen 5 Products
CVE-2025-54510

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:
16 April 2026

What is CVE-2025-54510?

A missing lock verification flaw in the AMD Secure Processor firmware can be exploited by an attacker with local administrative privileges. This vulnerability allows for unauthorized alterations in Memory-Mapped I/O (MMIO) routing on certain Zen 5-based products, which may lead to significant compromises in the integrity of guest systems. Operating systems relying on these products could be at risk, necessitating immediate attention and remediation from affected users.

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

.