{"id":"CVE-2024-43833","summary":"media: v4l: async: Fix NULL pointer dereference in adding ancillary links","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l: async: Fix NULL pointer dereference in adding ancillary links\n\nIn v4l2_async_create_ancillary_links(), ancillary links are created for\nlens and flash sub-devices. These are sub-device to sub-device links and\nif the async notifier is related to a V4L2 device, the source sub-device\nof the ancillary link is NULL, leading to a NULL pointer dereference.\nCheck the notifier's sd field is non-NULL in\nv4l2_async_create_ancillary_links().\n\n[Sakari Ailus: Reword the subject and commit messages slightly.]","modified":"2026-04-02T12:18:18.052657Z","published":"2024-08-17T09:21:50.890Z","related":["MGASA-2024-0309","MGASA-2024-0310","SUSE-SU-2024:3194-1","SUSE-SU-2024:3195-1","SUSE-SU-2024:3383-1","SUSE-SU-2025:20044-1","SUSE-SU-2025:20047-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43833.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/249212ceb4187783af3801c57b92a5a25d410621"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43833.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43833"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"aa4faf6eb27132532d5a133d9241254c16d4bafa"},{"fixed":"fe0f92fd5320b393e44ca210805e653ea90cc982"},{"fixed":"249212ceb4187783af3801c57b92a5a25d410621"},{"fixed":"b87e28050d9b0959de24574d587825cfab2f13fb"},{"fixed":"9b4667ea67854f0b116fe22ad11ef5628c5b5b5f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-43833.json"}}],"schema_version":"1.7.5"}