CVE-2025-29946

State: Published
Severity: 4.5 Medium
Published: Feb 10, 2026
Updated: Feb 10, 2026
Reserved: Mar 12, 2025

Description

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.

Scores

CVSS	Score	Vector	Source
4.0	4.5 Medium	CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N	AMD

Weaknesses

CWE-1301 Insufficient or Incomplete Data Removal within Hardware Component

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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