CVE-2022-41218 | BDVDB-2026-185136 Detail
SiemensSIMATIC S7-1500 TM MFP - GNU/Linux subsystem
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: local.
Weaknesses#
- CWE-416 Use After Free
References#
- https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c
- http://www.openwall.com/lists/oss-security/2022/09/23/4
- http://www.openwall.com/lists/oss-security/2022/09/24/2
- http://www.openwall.com/lists/oss-security/2022/09/24/1
- https://www.debian.org/security/2023/dsa-5324
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.