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CVE-2021-27365

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
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 through 5.11.3 存在缓冲区错误漏洞，该漏洞源于某些iSCSI数据结构没有适当的长度约束或检查。

AI Predicted 7.8 Difficulty: Moderate EPSS 2.10% · P81

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-27365

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
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 kernel 缓冲区错误漏洞
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 through 5.11.3 存在缓冲区错误漏洞，该漏洞源于某些iSCSI数据结构没有适当的长度约束或检查。
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-2021-27365

# POC Description Source Link Shenlong Link
1 None https://github.com/coderzawad/Kernel-CVE-2021-27365-hotfix POC Details
2 None https://github.com/Iweisc/Kernel-CVE-2021-27365-hotfix POC Details
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III. Intelligence Information for CVE-2021-27365

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Patches & Fixes for CVE-2021-27365 (2)

Vendor Advisories for CVE-2021-27365 (3)

Mailing List Discussions for CVE-2021-27365 (3)

Security Blog Posts for CVE-2021-27365 (1)

Same Patch Batch · n/a · 2021-03-07 · 6 CVEs total

CVE-2020-28466 7.5 HIGH Denial of Service (DoS)
CVE-2009-20001 MantisBT 代码问题漏洞
CVE-2021-27364 Linux kernel 缓冲区错误漏洞
CVE-2021-27363 Linux kernel 安全漏洞
CVE-2021-26294 Aurora 路径遍历漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-27365

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