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CVE-2014-0203

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 2.6.33及之前版本的fs/namei.c文件中的‘__do_follow_link’函数存在安全漏洞，该漏洞源于程序在使用文件系统期间，没有正确处理最后路径名组件。本地攻击者可借助open系统调用利用该漏洞造成拒绝服务（错误的释放操作和系统崩溃）。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.54% · P44
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I. Basic Information for CVE-2014-0203

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The __do_follow_link function in fs/namei.c in the Linux kernel before 2.6.33 does not properly handle the last pathname component during use of certain filesystems, which allows local users to cause a denial of service (incorrect free operations and system crash) via an open system call.
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 fs/namei.c文件输入验证错误漏洞
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 2.6.33及之前版本的fs/namei.c文件中的‘__do_follow_link’函数存在安全漏洞，该漏洞源于程序在使用文件系统期间，没有正确处理最后路径名组件。本地攻击者可借助open系统调用利用该漏洞造成拒绝服务（错误的释放操作和系统崩溃）。
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-2014-0203

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III. Intelligence Information for CVE-2014-0203

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Patches & Fixes for CVE-2014-0203 (1)

Vendor Advisories for CVE-2014-0203 (6)

Other References for CVE-2014-0203 (3)

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-2014-1739 Linux kernel 信息泄露漏洞
CVE-2014-4014 Linux kernel 权限许可和访问控制漏洞
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-2014-0203

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