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CVE-2023-31347

Published: Feb 13, 2024Updated: Mar 17, 2025 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
4.9CVSSMEDIUM
EPSS Score
0.5%
Top 63.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.  

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfoCWE-682

Affected Products

3rd Gen AMD EPYC™ ProcessorsAMDHardware Firmware
4th Gen AMD EPYC™ Processors AMDHardware Firmware
epyc 7773x firmwareamdHardware Firmware
epyc 7763 firmwareamdHardware Firmware
epyc 7713 firmwareamdHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 59 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3007
amd.com

Timeline

Published
Feb 13, 2024
Last Updated
Mar 17, 2025

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