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CVE-2014-4014

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基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.14.5及之前版本的用户命名空间(CONFIG_USER_NS)的实现过程中存在安全漏洞。本地攻击者可通过创建用户命名空间利用该漏洞在系统上提升权限。

AI Predicted 7.8 Difficulty: Moderate EPSS 3.30% · P88

Public Exploits 1

ExploitDB · 1 EDB-33824 [local]
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I. Basic Information for CVE-2014-4014

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The capabilities implementation in the Linux kernel before 3.14.8 does not properly consider that namespaces are inapplicable to inodes, which allows local users to bypass intended chmod restrictions by first creating a user namespace, as demonstrated by setting the setgid bit on a file with group ownership of root.
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 权限许可和访问控制漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 3.14.5及之前版本的用户命名空间(CONFIG_USER_NS)的实现过程中存在安全漏洞。本地攻击者可通过创建用户命名空间利用该漏洞在系统上提升权限。
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-2014-4014

# POC Description Source Link Shenlong Link
1 cve-2014-4014 https://github.com/vnik5287/cve-2014-4014-privesc POC Details
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III. Intelligence Information for CVE-2014-4014

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Patches & Fixes for CVE-2014-4014 (2)

Vendor Advisories for CVE-2014-4014 (5)

Exploits & Public PoCs for CVE-2014-4014 (1)

Mailing List Discussions for CVE-2014-4014 (1)

Other References for CVE-2014-4014 (1)

Same Patch Batch · n/a · 2014-06-23 · 9 CVEs total

CVE-2014-0244 Samba nmbd 拒绝服务漏洞
CVE-2014-3493 Samba 缓冲区错误漏洞
CVE-2014-0203 Linux kernel fs/namei.c文件输入验证错误漏洞
CVE-2014-1739 Linux kernel 信息泄露漏洞
CVE-2014-4027 Linux kernel 权限许可和访问控制问题漏洞
CVE-2014-4157 Linux kernel 权限许可和访问控制漏洞
CVE-2014-4171 Linux kernel 设计错误漏洞
CVE-2014-4508 Linux kernel 数字错误漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2014-4014

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