Improper input validation in AMD Epyc™ 7003 Series Processors
CVE-2024-21944
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- AMD Epyc™ 7003 Series Processors — versions Milan PI 1.0.0.D, SEV FW 1.55.22 (hex 1.37.16)
- AMD Epyc™ 9004 Series Processor — versions Genoa PI 1.0.0.D, SEV FW 1.55.38 (hex 1.37.26)
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-21944?
- CVE-2024-21944 is a medium-severity vulnerability in AMD Epyc™ 7003 Series Processors, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2026-06-10.
- How severe is CVE-2024-21944?
- Medium severity. CVSS v3 base score is 5.3 out of 10.