CVE-2024-21953

State: Published
Severity: 5.9 Medium
Published: Feb 10, 2026
Updated: Feb 10, 2026
Reserved: Jan 3, 2024

Description

Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity.

Scores

CVSS	Score	Vector	Source
4.0	5.9 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N	AMD

Weaknesses

CWE-1284 Improper Validation of Specified Quantity in Input

Affected Products

Product	Versions
AMD EPYC™ 9004 Series ProcessorsAMD	GenoaPI 1.0.0.FNot affected
AMD EPYC™ 8004 Series ProcessorsAMD	GenoaPI 1.0.0.FNot affected
AMD EPYC™ Embedded 9004 Series ProcessorsAMD	EmbGenoaPI-SP5 1.0.0.BNot affected

References

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

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