{"id":"CVE-2022-41218","title":"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.","summary":"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.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-416","CWE-416"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel <= 5.19.10","debian_linux = 11.0"],"published":"2022-09-21","updated":"2026-10-14","sourceUpdated":"2026-10-14T18:17:05.880","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-41218","references":[{"url":"http://www.openwall.com/lists/oss-security/2022/09/23/4","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/24/1","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/24/2","label":"cve@mitre.org"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792","label":"cve@mitre.org"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html","label":"cve@mitre.org"},{"url":"https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/","label":"cve@mitre.org"},{"url":"https://www.debian.org/security/2023/dsa-5324","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/23/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/24/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/09/24/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fd3d91ab1c6ab0628fe642dd570b56302c30a792","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/media/dvb-core/dmxdev.c","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/all/20220908132754.30532-1-tiwai%40suse.de/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5324","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","exploit-available"],"epss":0.00812,"epssPercentile":0.56036,"exploits":{"github":1,"githubRepos":["https://github.com/Tobey123/CVE-2022-41218"],"checkedAt":"2026-10-14T18:48:13.825Z"},"exploitAvailable":true,"ingestedAt":"2026-10-14T18:47:39.272Z","slug":"CVE-2022-41218","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `linux_kernel <= 5.19.10`\n- `debian_linux = 11.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":30.3,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[]}