CVE-2021-26334

Published: Dec 1, 2021Modified: Jun 17, 2026

9.9

Vector

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

Exploitability: 3.1 / Impact: 6.0

Source: NVD

Description

The AMDPowerProfiler.sys driver of AMD μProf tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user.

Affected (2)

Products: Amd: Amd Uprof

Amd

1 product

Amd Uprof

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Amd Uprof	Before 3.4.494

Running on/with	Platform Versions
Microsoft Windows	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Amd Uprof	Before 3.4.502

Running on/with	Platform Versions
Linux Linux Kernel	All versions

Related CWEs

CWE-284

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

References (2)

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016

Source: psirt@amd.com

MitigationVendor Advisory

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016

Source: af854a3a-2127-422b-91ae-364da2661108

MitigationVendor Advisory

Timeline

No history available yet.