CVE-2014-0203 Information

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.

CVSS Vector

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

Reference

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=86acdca1b63e6890540fa19495cfc708beff3d8b http://linux.oracle.com/errata/ELSA-2014-0771.html http://linux.oracle.com/errata/ELSA-2014-3043.html http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33 http://secunia.com/advisories/59262 http://secunia.com/advisories/59309 http://secunia.com/advisories/59406 http://secunia.com/advisories/59560 http://www.securityfocus.com/bid/68125 https://bugzilla.redhat.com/show_bug.cgi?id=1094363 https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8b

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5