NULL Pointer Dereference Affecting kernel-modules-extra package, versions <0:4.18.0-348.el8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELMODULESEXTRA-2593794
  • published10 Apr 2022
  • disclosed22 Aug 2022

Introduced: 10 Apr 2022

CVE-2021-3659  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-modules-extra to version 0:4.18.0-348.el8 or higher.
This issue was patched in ELSA-2021-4356.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-extra package and not the kernel-modules-extra package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1