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Status published
Unknown
CVE-2023-31347
Due to a code bug in Secure_TSC, SEV firmware may allow...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
3rd Gen AMD EPYC™ Processors, 4th Gen AMD EPYC™ Processors
Vulnerable Versions:
various
Timeline
Official Publish:
February 13th, 2024
Last Modified:
March 17th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.