CVE-2014-0203 — MEDIUM (5.5)

Q: How severe is CVE-2014-0203?

CVE-2014-0203 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2014-0203?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Oracle Linux.

Vulnerability 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 Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	< 2.6.33
Oracle	Linux	5

Related Weaknesses (CWE)

CWE-416

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
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 AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1094363ExploitIssue TrackingPatch
https://github.com/torvalds/linux/commit/86acdca1b63e6890540fa19495cfc708beff3d8PatchThird Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
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

FAQ

What is CVE-2014-0203?

CVE-2014-0203 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...

How severe is CVE-2014-0203?

CVE-2014-0203 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2014-0203?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Oracle Linux.