CVE-2024-21944

State: Published
Severity: 5.3 Medium
Published: Jun 10, 2026
Updated: Jun 11, 2026
Reserved: Jan 3, 2024

Description

Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to potentially overwrite guest memory resulting in loss of guest data integrity.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N	AMD

Weaknesses

CWE-20 Improper input validation

Affected Products

Product	Versions
AMD EPYC™ 7003 Series ProcessorsAMD	Milan PI 1.0.0.DNot affected SEV FW 1.55.22 (hex 1.37.16)Not affected
AMD EPYC™ 9004 Series ProcessorAMD	Genoa PI 1.0.0.DNot affected SEV FW 1.55.38 (hex 1.37.26)Not affected

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3015.html

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