Use After Free Affecting kernel-uek-debug-modules-extra package, versions <0:5.15.0-8.91.4.1.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDEBUGMODULESEXTRA-3364146
  • published18 Mar 2023
  • disclosed21 Sept 2022

Introduced: 21 Sep 2022

CVE-2022-41218  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-debug-modules-extra to version 0:5.15.0-8.91.4.1.el8uek or higher.
This issue was patched in ELSA-2023-12196.

NVD Description

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

In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.

CVSS Scores

version 3.1