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Incorrect Check of Function Return Value Affecting kernel-firmware package, versions <0:2.6.32-642.6.1.el6

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELFIRMWARE-1508173
  • published26 Jul 2021
  • disclosed15 Jun 2016
Report a new vulnerability Found a mistake?

Introduced: 15 Jun 2016

CVE-2016-4470  (opens in a new tab)
CWE-253  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-firmware to version 0:2.6.32-642.6.1.el6 or higher.
This issue was patched in RHSA-2016:2006.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-firmware package and not the kernel-firmware package as distributed by RHEL. See How to fix? for RHEL: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