Access Control Vulnerability in SEV Firmware by AMD
CVE-2025-48517

4.6MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 9005 Series Processors
Amd Epyc™ Embedded 9005 Series Processors
Vendor
CVE Published:
10 February 2026

What is CVE-2025-48517?

A vulnerability exists in AMD's SEV firmware that allows a privileged user, utilizing a malicious hypervisor, to create a SEV-ES guest. This guest can mistakenly use an Address Space Identifier (ASID) designated for SEV-SNP guests. This flaw poses a significant risk as it may lead to a partial loss of confidentiality, allowing sensitive information to be exposed through improper access controls.

Affected Version(s)

AMD EPYC™ 9005 Series Processors TurinPI 1.0.0.6

AMD EPYC™ Embedded 9005 Series Processors EmbTurinPI-SP5_1.0.0.1

References

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

CVSS V4

Score:
4.6
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

.