Local Privilege Escalation Vulnerability in AMD Products
CVE-2025-48509

1.8LOW

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:
10 February 2026

What is CVE-2025-48509?

A vulnerability exists in AMD products where missing checks in certain functions related to RMP initialization can enable a local administrator with privileged access to manipulate I/O memory. This misidentification may lead to potential threats against the integrity of guest memory, raising significant concerns for system security and stability.

Affected Version(s)

AMD EPYC™ 7003 Series Processors MilanPI 1.0.0.H

AMD EPYC™ 8004 Series Processors GenoaPI 1.0.0.F

AMD EPYC™ 9004 Series Processors GenoaPI 1.0.0.F

References

https://www.amd.com/en/resources/product-security/bulleti...

CVSS V4

Score:
1.8
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.