Access Restriction Bypass Affecting kernel-debug package, versions <0:2.6.32-220.el6


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUG-2463379
  • published10 Apr 2022
  • disclosed27 Jan 2012

Introduced: 27 Jan 2012

CVE-2011-4110  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-debug to version 0:2.6.32-220.el6 or higher.
This issue was patched in ELSA-2011-1530.

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 Oracle. See How to fix? for Oracle: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