Use After Free Affecting kernel-debug package, versions <0:2.6.32-431.20.3.el6


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.14% (50th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUG-2099846
  • published26 Jul 2021
  • disclosed19 Jun 2014

Introduced: 19 Jun 2014

CVE-2014-0203  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:6 kernel-debug to version 0:2.6.32-431.20.3.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1