Potential Improper Access Control Vulnerability in AMD μProf Tool

Bulletin ID: AMD-SB-1016
Potential Impact: Improper access / Code execution
Severity: High

Summary

Potential improper access control vulnerability in AMD μProf Tool.

CVE Details

CVE-2021-26334

>p>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 Products

AMD μProf

Mitigation

AMD recommends updating μProf to the following versions:

OS

Version

Windows binary

AMDuProf-3.4.494.exe

Linux – RPM package

amduprof-3.4-502.x86_64.rpm

Linux – DEB package

amduprof_3.4-502_amd64.deb

Linux – tar file

AMDuProf_Linux_x64_3.4.502.tar.bz2

Acknowledgement

AMD thanks Michal Poslušný from ESET Research for reporting this issue and engaging in coordinated vulnerability disclosure.

Revisions

None

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