Use After Free Affecting kernel-rt-debug package, versions <0:4.18.0-513.9.1.rt7.311.el8_9


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTDEBUG-6102137
  • published7 Dec 2023
  • disclosed27 Nov 2022

Introduced: 27 Nov 2022

CVE-2022-45919  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-debug to version 0:4.18.0-513.9.1.rt7.311.el8_9 or higher.
This issue was patched in RLSA-2023:7548.

NVD Description

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

An issue was discovered in the Linux kernel through 6.0.10. In drivers/media/dvb-core/dvb_ca_en50221.c, a use-after-free can occur is there is a disconnect after an open, because of the lack of a wait_event.

CVSS Scores

version 3.1