VulnerabilityModified
CVE-2021-26334
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.
CRITICAL 9.9EPSS 1.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 1.17% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- amd/amd uprof
- Source
- psirt@amd.com
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016Mitigation, Vendor Advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016Mitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.