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CVE-2016-4470 Affecting kernel-debug package, versions <0:2.6.32-642.6.1.el6

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUG-2510112
  • published10 Apr 2022
  • disclosed27 Jun 2016
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Introduced: 27 Jun 2016

CVE-2016-4470  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-debug to version 0:2.6.32-642.6.1.el6 or higher.
This issue was patched in ELSA-2016-2006.

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 key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

References