NULL Pointer Dereference Affecting kernel-uek-doc package, versions <0:4.1.12-124.29.3.el6uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (35th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELUEKDOC-2547061
  • published10 Apr 2022
  • disclosed28 May 2019

Introduced: 28 May 2019

CVE-2019-12381  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-uek-doc to version 0:4.1.12-124.29.3.el6uek or higher.
This issue was patched in ELSA-2019-4729.

NVD Description

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

An issue was discovered in ip_ra_control in net/ipv4/ip_sockglue.c in the Linux kernel through 5.1.5. There is an unchecked kmalloc of new_ra, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: this is disputed because new_ra is never used if it is NULL