CVE-2014-0203

Name: CVE-2014-0203
Creator: NVD / NIST
Published: 2014-06-23T11:21:17.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2014-0203 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.54%

41.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 2.6.33
Oracle	Linux	5
Oracle	Linux	6

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=86acdca1b63e6890540fa19495cfc708beff3d8b
http://linux.oracle.com/errata/ELSA-2014-0771.htmlThird Party Advisory
http://linux.oracle.com/errata/ELSA-2014-3043.htmlThird Party Advisory
http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33Broken Link
http://secunia.com/advisories/59262Broken Link
http://secunia.com/advisories/59309Broken Link
http://secunia.com/advisories/59406Broken Link
http://secunia.com/advisories/59560Broken Link
http://www.securityfocus.com/bid/68125Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1094363Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8bPatch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=86acdca1b63e6890540fa19495cfc708beff3d8b
http://linux.oracle.com/errata/ELSA-2014-0771.htmlThird Party Advisory
http://linux.oracle.com/errata/ELSA-2014-3043.htmlThird Party Advisory
http://mirror.linux.org.au/linux/kernel/v2.6/ChangeLog-2.6.33Broken Link
http://secunia.com/advisories/59262Broken Link
http://secunia.com/advisories/59309Broken Link
http://secunia.com/advisories/59406Broken Link
http://secunia.com/advisories/59560Broken Link
http://www.securityfocus.com/bid/68125Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1094363Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8bPatch, Third Party Advisory

Timeline

Published: Jun 23, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-0203?

How severe is CVE-2014-0203?

CVE-2014-0203 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2014-0203?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-0203?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST