CVE-2023-31347

MediumCVSS 4.9/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 13, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-31347: Medium severity, CVSS 4.9 | Vulnix