NULL Pointer Dereference Affecting kernel-kdump-devel package, versions <0:2.6.32-220.el6


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELKDUMPDEVEL-1435376
  • published26 Jul 2021
  • disclosed15 Nov 2011

Introduced: 15 Nov 2011

CVE-2011-4110  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-kdump-devel to version 0:2.6.32-220.el6 or higher.
This issue was patched in RHSA-2011:1530.

NVD Description

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

The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."

CVSS Scores

version 3.1