Use After Free Affecting kernel-uek package, versions <0:4.14.35-2047.523.4.1.el7uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEK-3364210
  • 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:7 kernel-uek to version 0:4.14.35-2047.523.4.1.el7uek or higher.
This issue was patched in ELSA-2023-12199.

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.

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