CVE-2014-0203

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.

Score

CVSS 3.1 5.5 Medium

Status

Modified - secalert@redhat.com

Published

2014-06-23

Last modified

2024-08-06

Weaknesses

CWE-416

Affected products

• Linux Kernel (Linux)
• Linux (Oracle)

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.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