CVE-2014-0203

Impact:
Moderate
Public Date:
2014-06-19
Bugzilla:
1094363: CVE-2014-0203 kernel: fs: slab corruption due to the invalid last component type during do_filp_open()

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2014-0203 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 7 and Red Hat Enterprise MRG 2.

CVSS v2 metrics

Base Score 4.9
Base Metrics AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (kernel) RHSA-2014:0771 2014-06-19

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 2 realtime-kernel Not affected
Red Hat Enterprise Linux 7 kernel Not affected
Red Hat Enterprise Linux 5 kernel Not affected

Acknowledgements

Red Hat would like to thank Vladimir Davydov of Parallels for reporting this issue.

Mitigation

Last Modified

CVE description copyright © 2017, The MITRE Corporation