CVE-2025-29943

State: Published
Severity: 4.6 Medium
Published: Jan 16, 2026
Updated: Jan 16, 2026
Reserved: Mar 12, 2025

Description

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest.

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:N/SI:L/SA:N	AMD

Weaknesses

CWE-123 Write-what-where Condition

Affected Products

Product	Versions
AMD EPYC™ 9004 Series ProcessorsAMD	Genoa++_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 9005 Series ProcessorsAMD	EmbTurinPI-SP5_1.0.0.1Not affected

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3027.html

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