VULNERABILITY INTELLIGENCE

CVE-2024-21980

CVSS score7.9 HIGH
EPSS probability0.45%
CISA KEVNot currently listed
Published2024-08-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to potentially overwrite a guest's memory or UMC seed resulting in loss of confidentiality and integrity.

Weakness classification

  • psirt@amd.com: CWE-119
  • nvd@nist.gov: CWE-787

Primary references