AMD Chipset Driver Information Disclosure Vulnerability
CVE-2021-26334

9.9CRITICAL

Key Information:

Vendor

Amd
Status
Μprof Tool
Vendor
CVE Published:
1 December 2021

What is 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.

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Affected Version(s)

μProf Tool μProf Tool < 3.4.494

References

https://www.amd.com/en/corporate/product-security/bulleti...
x_refsource_MISC

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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