CVE-2014-0203

MEDIUM

Linux kernel <2.6.33 - DoS

Title source: llm

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.

References (11)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=86acdca1b63e6890540fa19495cfc708beff3d8b

[Third Party Advisory] http://linux.oracle.com/errata/ELSA-2014-0771.html

[Third Party Advisory] http://linux.oracle.com/errata/ELSA-2014-3043.html

[Broken Link] http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33

[Broken Link] http://secunia.com/advisories/59262

[Broken Link] http://secunia.com/advisories/59309

[Broken Link] http://secunia.com/advisories/59406

[Broken Link] http://secunia.com/advisories/59560

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/68125

[Exploit, Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1094363

[Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8b

Scores

CVSS v3 5.5

EPSS 0.0007

EPSS Percentile 20.3%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-416

Status draft

Affected Products (3)

linux/linux_kernel < 2.6.33

oracle/linux

oracle/linux

Timeline

Published Jun 23, 2014

Tracked Since Feb 18, 2026