CVE-2023-20562: AMD Uprof

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD uProf may allow an authenticated user to load an unsigned driver potentially leading to arbitrary kernel execution.

Affected products

• AMD AMD Uprof: before 4.1.396 (fixed in 4.1.396); before 4.1-424 (fixed in 4.1-424)

Published 2023-08-08. Last modified 2026-06-17.