CVE-2025-48517

State: Published
Severity: 4.6 Medium
Published: Feb 10, 2026
Updated: Feb 10, 2026
Reserved: May 22, 2025

Description

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.

Scores

CVSS	Score	Vector	Source
4.0	4.6 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N	AMD

Weaknesses

CWE-1220 Insufficient Granularity of Access Control

Affected Products

Product	Versions
AMD EPYC™ 9005 Series ProcessorsAMD	TurinPI 1.0.0.6Not affected
AMD EPYC™ Embedded 9005 Series ProcessorsAMD	EmbTurinPI-SP5_1.0.0.1Not affected

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html

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