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CVE-2023-31347

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CVE-2023-31347

Published: Feb 13, 2024

Modified: Mar 17, 2025

PUBLISHED

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.  

VendorProductVersions

AMD

3rd Gen AMD EPYC™ Processors

affected
various

AMD

4th Gen AMD EPYC™ Processors

affected
various

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