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CVE-2021-26334

AMD Chipset Driver Information Disclosure Vulnerability

Published: Dec 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-284
NVD MITRE
9.9CVSSCRITICAL
EPSS Score
1.2%
Top 36.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-284NVD-CWE-Other

Affected Products

РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
AMD uProfAdvanced Micro Devices Inc.Hardware Firmware
amd uprofamdHardware Firmware
μProf ToolAMDHardware Firmware
ооо «ред софт»commercialRUOperating Systemsaka red soft
advanced micro devices inc.commercialUSHardware Firmwareaka amd
amdcommercialUSHardware Firmwareaka advanced micro devices

Exploitability

Official Patch Available
Workaround Available

References

https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-cve-2020-12954-cve-2021-0146-cve-2021-26335-cve-2021-26334/
redos.red-soft.ru
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1016.html
amd.com
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016
amd.com

Timeline

Published
Dec 1, 2021
Last Updated
Nov 21, 2024

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