CVE-2024-21944 (GCVE-0-2024-21944)

Vulnerability from cvelistv5 – Published: 2026-06-10 21:54 – Updated: 2026-06-11 13:28
VLAI
Summary
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.
Severity
5.3 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 13:27 UTC
CWE
  • CWE-20 - Improper input validation
Assigner
References
Impacted products
Vendor Product Version
AMD AMD EPYC™ 7003 Series Processors Unaffected: Milan PI 1.0.0.D
Unaffected: SEV FW 1.55.22 (hex 1.37.16)
Create a notification for this product.
AMD AMD EPYC™ 9004 Series Processor Unaffected: Genoa PI 1.0.0.D
Unaffected: SEV FW 1.55.38 (hex 1.37.26)
Create a notification for this product.
Show details on NVD website
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