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CVE-2021-34693

Quick assessment

Affected
n/a n/a
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.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞允许本地用户从net/can/bcm.c中获取敏感信息，因为数据结构的某些部分是未初始化的。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-34693

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
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
Linux基金会 Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞允许本地用户从net/can/bcm.c中获取敏感信息，因为数据结构的某些部分是未初始化的。
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
- n/a n/a -

II. Public POCs for CVE-2021-34693

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-34693

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Patches & Fixes for CVE-2021-34693 (1)

Vendor Advisories for CVE-2021-34693 (1)

Mailing List Discussions for CVE-2021-34693 (4)

Other References for CVE-2021-34693 (1)

Same Patch Batch · n/a · 2021-06-14 · 6 CVEs total

CVE-2021-26845 7.5 HIGH eSOMS Report Function Vulnerability
CVE-2021-27196 7.5 HIGH Specially Crafted IEC 61850 Protocol Sequence Vulnerability
CVE-2021-27887 6.3 MEDIUM Stored XSS vulnerability in Ellipse APM
CVE-2021-0324 Google Android 安全漏洞
CVE-2021-0467 Google Android 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-34693

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