Skip to navigation

CVE Database

CVE-2013-2851

Impact: Low
Public: 2013-06-06
Bugzilla: 969515: CVE-2013-2851 kernel: block: passing disk names as format strings

Details

The MITRE CVE dictionary describes this issue as:

Format string vulnerability in the register_disk function in block/genhd.c in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and writing format string specifiers to /sys/module/md_mod/parameters/new_array in order to create a crafted /dev/md device name.

Find out more about CVE-2013-2851 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5.

This issue does affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6, and Red Hat Enterprise MRG. Future updates for Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG may address this issue.

CVSS v2 metrics

Base Score: 6
Base Metrics: AV:L/AC:H/Au:S/C:C/I:C/A:C
Access Vector: Local
Access Complexity: High
Authentication: Single Instance
Confidentiality Impact: Complete
Integrity Impact: Complete
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
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:1264 September 16, 2013
Red Hat Enterprise Linux Server EUS (v. 6.3) (kernel) RHSA-2013:1783 December 05, 2013
Red Hat Enterprise Linux Server EUS (v. 6.4) (kernel) RHSA-2014:0284 March 11, 2014
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:1645 November 20, 2013

External References

Acknowledgements

Red Hat would like to thank Kees Cook for reporting this issue.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.