CVE-2021-26334
Critical
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.
SeverityCritical
CVSS9.9
Exploit probability69. percentile1.2%
ProductAmd Uprof
PublishedDec 1, 2021
First seenDec 1, 2021
Weakness typeCWE-284Improper access control
How to fix
Update
- amd amd_uprof3.4.494, 3.4.502 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| amd amd_uprof | v < 3.4.494, v < 3.4.502 | 3.4.494, 3.4.502 |
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