CVE-2022-41218

Sažetak

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.

Reference

http://www.openwall.com/lists/oss-security/2022/09/23/4
http://www.openwall.com/lists/oss-security/2022/09/24/1
http://www.openwall.com/lists/oss-security/2022/09/24/2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
https://www.debian.org/security/2023/dsa-5324
http://www.openwall.com/lists/oss-security/2022/09/23/4
http://www.openwall.com/lists/oss-security/2022/09/24/1
http://www.openwall.com/lists/oss-security/2022/09/24/2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
https://www.debian.org/security/2023/dsa-5324

CVSS

Base:	5.5
Impact:	3.6
Exploitability:	1.8

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	LOW

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	NONE	HIGH

CVSS vektor

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Zadnje važnije ažuriranje

28-05-2025 - 16:15

Objavljeno

21-09-2022 - 07:15