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CVE-2021-26341

Quick assessment

Affected
AMD AMD Processors
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AMD CPUs是美国AMD公司的一个GPU组件。 AMD CPUs 存在安全漏洞，该漏洞源于攻击者可以通过 Beyond Branch Predictor Selectors 绕过对 AMD 处理器数据的访问限制，以读取敏感信息。

AI Predicted 7.5 Difficulty: Theoretical EPSS 0.32% · P23

Possible ATT&CK Techniques 2 AI

T1005 · Data from Local System T1206
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I. Basic Information for CVE-2021-26341

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
AMD CPUs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AMD CPUs是美国AMD公司的一个GPU组件。 AMD CPUs 存在安全漏洞，该漏洞源于攻击者可以通过 Beyond Branch Predictor Selectors 绕过对 AMD 处理器数据的访问限制，以读取敏感信息。
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 AMD Processors Processor Zen 3 -

II. Public POCs for CVE-2021-26341

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-26341

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Mailing List Discussions for CVE-2021-26341 (1)

Other References for CVE-2021-26341 (1)

IV. Related Vulnerabilities

Same product: AMD Processors
Same vendor: AMD

V. Comments for CVE-2021-26341

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