{"id":"CVE-2024-44986","summary":"ipv6: fix possible UAF in ip6_finish_output2()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible UAF in ip6_finish_output2()\n\nIf skb_expand_head() returns NULL, skb has been freed\nand associated dst/idev could also have been freed.\n\nWe need to hold rcu_read_lock() to make sure the dst and\nassociated idev are alive.","modified":"2026-04-02T12:18:36.513362Z","published":"2024-09-04T19:54:34.852Z","related":["MGASA-2024-0309","MGASA-2024-0310","SUSE-SU-2024:3551-1","SUSE-SU-2024:3553-1","SUSE-SU-2024:3561-1","SUSE-SU-2024:3564-1","SUSE-SU-2024:3569-1","SUSE-SU-2024:3587-1","SUSE-SU-2024:3592-1","SUSE-SU-2025:20073-1","SUSE-SU-2025:20077-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44986.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3574d28caf9a09756ae87ad1ea096c6f47b6101e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/56efc253196751ece1fc535a5b582be127b0578a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ab6bf731354a6fdbaa617d1ec194960db61cf3b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/da273b377ae0d9bd255281ed3c2adb228321687b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e891b36de161fcd96f12ff83667473e5067b9037"},{"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/2024/44xxx/CVE-2024-44986.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-44986"},{"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":"5796015fa968a3349027a27dcd04c71d95c53ba5"},{"fixed":"e891b36de161fcd96f12ff83667473e5067b9037"},{"fixed":"3574d28caf9a09756ae87ad1ea096c6f47b6101e"},{"fixed":"6ab6bf731354a6fdbaa617d1ec194960db61cf3b"},{"fixed":"56efc253196751ece1fc535a5b582be127b0578a"},{"fixed":"da273b377ae0d9bd255281ed3c2adb228321687b"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"ded37d03440d0ab346a8287cc2ba88b8dc90ceb0"},{"last_affected":"2323690eb05865a657709f4d28eb9538ea97bfc2"},{"last_affected":"b34c668a867ffdcf8bd8db4a36512572e82b4a15"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44986.json"}}],"schema_version":"1.7.5"}