VULNERABILITY INTELLIGENCE

CVE-2023-31347

CVSS score4.9 MEDIUM
EPSS probability0.46%
CISA KEVNot currently listed
Published2024-02-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Description

Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.

Weakness classification

  • CWE-682: Incorrect Calculation

Primary references