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NULL Pointer Dereference Affecting kernel-uek package, versions <0:4.14.35-1902.306.2.el7uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-2576880
  • published10 Apr 2022
  • disclosed27 Jul 2018
Report a new vulnerability Found a mistake?

Introduced: 27 Jul 2018

CVE-2018-14613  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek to version 0:4.14.35-1902.306.2.el7uek or higher.
This issue was patched in ELSA-2020-5845.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek package and not the kernel-uek package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.