{"id":"CVE-2024-21944","aliases":["EUVD-2024-55617","GHSA-4c4q-g449-2566"],"status":"published","title":"Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker...","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00222,"percentile":0.12937,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-06-10T21:54:19Z","modified":"2026-07-23T09:10:00Z","products":[{"vendor":"amd","product":"amd epyc™ 7003 series processors"},{"vendor":"amd","product":"amd epyc™ 9004 series processor"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3015.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21944"},{"url":"https://github.com/advisories/GHSA-4c4q-g449-2566"}],"sources":{"cve":[{"id":"CVE-2024-21944","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.","status":"published","published":"2026-06-10T21:54:19.444Z","modified":"2026-06-11T13:28:14.229Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:34:04.681315Z"}],"euvd":[{"id":"EUVD-2024-55617","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.","status":"published","published":"2026-06-10T21:54:19Z","modified":"2026-06-11T13:28:14Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:44.570445Z"}],"ghsa":[{"id":"GHSA-4c4q-g449-2566","title":"Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker...","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.","status":"published","published":"2026-06-11T00:32:05Z","modified":"2026-06-11T00:32:12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:08:44.492605Z"}],"nvd":[{"id":"CVE-2024-21944","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.","status":"published","published":"2026-06-10T23:16:44.95Z","modified":"2026-07-23T09:10:00.113Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:10:47.77313Z"}]}}