CVE-2021-26334— AMD Chipset Driver Information Disclosure Vulnerability
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I. Basic Information for CVE-2021-26334
Vulnerability Information
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Vulnerability Title
AMD Chipset Driver Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
AMD μProf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD μProf是美国AMD公司的一款性能分析工具，适用于在 Windows、Linux 和 FreeBSD 操作系统上运行的应用程序。 AMD μProf 存在安全漏洞，该漏洞源于 AMDPowerProfiler.sys 驱动程序可能允许低权限用户访问内核中的 MSR，这可能导致权限提升和低权限用户执行 ring-0 代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| AMD | μProf Tool | μProf Tool ~ 3.4.494 | - |
II. Public POCs for CVE-2021-26334
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-26334 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-26334
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