Improper Input Validation Affecting kernel-debug package, versions <0:2.6.32-431.23.3.el6


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUG-2484020
  • published10 Apr 2022
  • disclosed26 May 2014

Introduced: 26 May 2014

CVE-2012-6647  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-debug to version 0:2.6.32-431.23.3.el6 or higher.
This issue was patched in ELSA-2014-0981.

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 futex_wait_requeue_pi function in kernel/futex.c in the Linux kernel before 3.5.1 does not ensure that calls have two different futex addresses, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted FUTEX_WAIT_REQUEUE_PI command.

CVSS Scores

version 3.1