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NULL Pointer Dereference Affecting kernel-uek-firmware package, versions <0:4.1.12-124.56.1.el6uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKFIRMWARE-2600933
  • published10 Apr 2022
  • disclosed5 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 5 Mar 2018

CVE-2017-18216  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-firmware to version 0:4.1.12-124.56.1.el6uek or higher.
This issue was patched in ELSA-2021-9473.

NVD Description

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

In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.