VULNERABILITY INTELLIGENCE

CVE-2023-31355

CVSS score6 MEDIUM
EPSS probability0.44%
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:N/A:N

Description

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.

Weakness classification

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

Primary references