Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2023-31347

Published: Feb 13, 2024 | Modified: Mar 17, 2025
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
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2023-31347
CWEhttps://cwe.mitre.org/data/definitions/.html

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

NameVendorStart VersionEnd Version
Epyc_7773x_firmwareAmd*milanpi_1.0.0.c (excluding)
Linux-firmwareUbuntubionic*
Linux-firmwareUbuntufocal*
Linux-firmwareUbuntumantic*
Linux-firmwareUbuntuoracular*
Linux-firmwareUbuntuplucky*
Linux-firmwareUbuntutrusty*
Linux-firmwareUbuntutrusty/esm*
Linux-firmwareUbuntuxenial*

References

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