CVE-2022-41218

medium

Description

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.

References

Advisories
More

https://www.debian.org/security/2023/dsa-5324

http://www.openwall.com/lists/oss-security/2022/09/24/2

https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792

http://www.openwall.com/lists/oss-security/2022/09/24/1

http://www.openwall.com/lists/oss-security/2022/09/23/4

Details

Source: Mitre, NVD

Published: 2022-09-21

Updated: 2024-03-25

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H