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[email protected]CVE-2021-26334

HistoryDec 01, 2021 - 4:15 p.m.

CVE-2021-26334

2021-12-0116:15:07

CWE-284

[email protected]

web.nvd.nist.gov

amd

amdpowerprofiler

cve-2021-26334

μprof

msrs

privilege escalation

ring-0 code execution

security vulnerability

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.3%

JSON

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 configurations

NVD

Node

amdamd_uprofRange<3.4.494

AND

microsoftwindowsMatch-

Node

amdamd_uprofRange<3.4.502

AND

linuxlinux_kernelMatch-

CPENameOperatorVersion
amd:amd_uprofamd amd uproflt3.4.494

CPE	Name	Operator	Version
amd:amd_uprof	amd amd uprof	lt	3.4.494

CNA Affected

[
  {
    "product": "μProf Tool",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "3.4.494",
        "status": "affected",
        "version": "μProf Tool",
        "versionType": "custom"
      }
    ]
  }
]

References

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

Social References

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

43.3%

JSON

Related for CVE-2021-26334

amd1 prion1 cvelist1 nvd1