CVE-2023-31313

HIGH

AMD PMFW - Privileged SMU Message Arbitrary Code Execution

Title source: manual

Description

An unintended proxy or intermediary in the AMD power management firmware (PMFW) could allow a privileged attacker to send malformed messages to the system management unit (SMU) potentially resulting in arbitrary code execution.

References (1)

Core 1

Core References

Vendor Advisory

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html

Scores

CVSS v3 7.2

EPSS 0.0010

EPSS Percentile 1.0%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-441

Status published

Products (2)

AMD/AMD Instinct™ MI210 ROCm 6.4.2

AMD/AMD Instinct™ MI250 ROCm 6.4.2

Published Feb 12, 2026

Tracked Since Feb 18, 2026