CVE-2025-48514

State: Published
Severity: 4.0 Medium
Published: Feb 10, 2026
Updated: Feb 11, 2026
Reserved: May 22, 2025

Description

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality.

Scores

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

Weaknesses

CWE-1220 Insufficient Granularity of Access Control

Affected Products

Product	Versions
AMD EPYC™ 9004 Series ProcessorsAMD	Genoa++_1.0.0.HNot affected
AMD EPYC™ 7003 Series ProcessorsAMD	MilanPI 1.0.0.HNot affected
AMD EPYC™ 9005 Series ProcessorsAMD	TurinPI 1.0.0.6Not affected
AMD EPYC™ 8004 Series ProcessorsAMD	Genoa++_1.0.0.HNot affected
AMD EPYC™ Embedded 7003 Series ProcessorsAMD	EmbMilanPI-SP3 v9 1.0.0.CNot affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")AMD	EmbGenoaPI-SP5 1.0.0.CNot affected
AMD EPYC™ Embedded 9005 Series ProcessorsAMD	EmbTurinPI-SP5_1.0.0.1Not affected
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")AMD	EmbGenoaPI-SP5 1.0.0.CNot affected
AMD EPYC™ Embedded 8004 Series ProcessorsAMD	EmbGenoaPI-SP5 1.0.0.CNot affected

References

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

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