CVE Vulnerabilities

CVE-2023-31347

Published: Feb 13, 2024 | Modified: Oct 22, 2024
CVSS 3.x
4.9
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
2.3 LOW
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Ubuntu
MEDIUM

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.  

Affected Software

Name Vendor Start Version End Version
Epyc_7773x_firmware Amd * milanpi_1.0.0.c (excluding)
Linux-firmware Ubuntu bionic *
Linux-firmware Ubuntu mantic *
Linux-firmware Ubuntu trusty *
Linux-firmware Ubuntu xenial *

References