VYPR
Unrated severityNVD Advisory· Published Feb 13, 2024· Updated Mar 17, 2025

CVE-2023-31347

CVE-2023-31347

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.

Affected products

3
  • AMD/SEV firmwarellm-fuzzy
  • AMD/3rd Gen AMD EPYC™ Processorsv5
    Range: various
  • AMD/4th Gen AMD EPYC™ Processorsv5
    Range: various

Patches

Vulnerability mechanics

References

1

News mentions

0

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