Use of Externally-Controlled Format String Affecting kernel-debug package, versions <0:2.6.32-431.el6


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUG-2089822
  • published26 Jul 2021
  • disclosed6 Jun 2013

Introduced: 6 Jun 2013

CVE-2013-2851  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

Upgrade Centos:6 kernel-debug to version 0:2.6.32-431.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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.

CVSS Scores

version 3.1