Use After Free Affecting kernel-zfcpdump-devel package, versions <0:4.18.0-477.10.1.el8_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELZFCPDUMPDEVEL-5616704
  • published28 May 2023
  • disclosed16 May 2023

Introduced: 16 May 2023

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

How to fix?

Upgrade AlmaLinux:8 kernel-zfcpdump-devel to version 0:4.18.0-477.10.1.el8_8 or higher.
This issue was patched in ALSA-2023:2951.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-zfcpdump-devel package and not the kernel-zfcpdump-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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