Vulnerability 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.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.19.10 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/09/23/4ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/1ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/2Mailing ListThird Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d9
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/mVendor 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/2022/09/23/4ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/1ExploitMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/24/2Mailing ListThird Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d9
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/mVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
FAQ
What is CVE-2022-41218?
CVE-2022-41218 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2022-41218?
CVE-2022-41218 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-41218?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.