CVE-2025-54509

4MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 9004 Series Processors
Amd Epyc™ 9005 Series Processors
Amd Epyc™ 8004 Series Processors
Amd Epyc™ Embedded 9004 Series Processors (formerly Codenamed "genoa")
Vendor
CVE Published:
9 June 2026

What is CVE-2025-54509?

Improper access control for register interface in the input-output memory management unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD secure processor (ASP) potentially resulting in loss of integrity.

Affected Version(s)

AMD EPYC™ 8004 Series Processors GenoaPI_1.0.0.H

AMD EPYC™ 9004 Series Processors GenoaPI_1.0.0.H

AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.8

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

.