CVE-2022-41218

MediumCVSS 5.5/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a
Siemens	SIMATIC S7-1500 TM MFP - GNU/Linux subsystem	< V1.1

References

http://www.openwall.com/lists/oss-security/2022/09/23/4Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/24/1Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/24/2Mailing List, Third Party Advisory
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.cVendor Advisory
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-5324Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/23/4Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/24/1Exploit, Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/24/2Mailing List, Third Party Advisory
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.cVendor Advisory
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-5324Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-794697.html

Timeline

Published: Sep 21, 2022
Last modified: Oct 14, 2026
NVD status: Modified

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