{"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":"2026-05-18T05:56:08.209468927Z","published":"2024-09-04T19:54:34.852Z","related":["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":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44986.json","cna_assigner":"Linux"},"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"}]}],"versions":["v5.13-rc1","v5.13","v5.4.136","v5.10.54","v5.13.6","v5.13.5","v5.10.53","v5.4.135","v5.13.4","v5.10.52","v5.4.134","v5.4.133","v5.10.51","v5.13.3","v5.13.2","v5.10.50","v5.4.132","v5.13.1","v5.10.49","v5.4.131","v5.10.48","v5.4.130","v5.13-rc6","v5.4.129","v5.10.47","v5.13-rc7","v5.4.128","v5.10.46","v5.13-rc3","v5.13-rc2","v5.13-rc4","v5.10.45","v5.4.127","v5.10.44","v5.4.126","v5.13-rc5","v5.10.43","v5.4.125","v5.10.42","v5.4.124","v5.10.41","v5.4.123","v5.10.40","v5.4.122","v5.10.39","v5.4.121","v5.12","v5.10.38","v5.4.120","v5.10.37","v5.4.119","v5.10.36","v5.4.118","v5.10.35","v5.4.117","v5.10.34","v5.4.116","v5.12-rc2","v5.12-rc1-dontuse","v5.12-rc1","v5.10.33","v5.4.115","v5.10.32","v5.4.114","v5.12-rc8","v5.12-rc3","v5.10.31","v5.4.113","v5.12-rc7","v5.12-rc5","v5.4.112","v5.10.30","v5.12-rc6","v5.10.29","v5.4.111","v5.10.28","v5.4.110","v5.10.27","v5.4.109","v5.12-rc4","v5.10","v5.4.108","v5.10.26","v5.10.25","v5.11","v5.4.107","v5.10.24","v5.4.106","v5.10.23","v5.4.105","v5.10.22","v5.4.104","v5.10.21","v5.4.103","v5.10.20","v5.4.102","v5.10.19","v5.4.101","v5.10.18","v5.4.100","v5.11-rc3","v5.10.17","v5.4.99","v5.11-rc7","v5.11-rc6","v5.10.16","v5.4.98","v5.11-rc5","v5.11-rc1","v5.10.15","v5.4.97","v5.11-rc4","v5.10.14","v5.4.96","v5.11-rc2","v5.10.13","v5.4.95","v5.10.12","v5.4.94","v5.10.11","v5.4.93","v5.10.10","v5.4.92","v5.10.9","v5.4.91","v5.10-rc1","v5.10.8","v5.4.90","v5.10.7","v5.4.89","v5.10.6","v5.4.88","v5.10.5","v5.4.87","v5.10.4","v5.4.86","v5.10.3","v5.4.85","v5.10.2","v5.10.1","v5.4.84","v5.10-rc7","v5.4.83","v5.10-rc4","v5.10-rc3","v5.10-rc6","v5.9","v5.4.82","v5.10-rc2","v5.10-rc5","v5.4.81","v5.4.80","v5.4.79","v5.4.78","v5.4.77","v5.4.76","v5.4.75","v5.4.74","v5.4.73","v5.4.72","v5.9-rc1","v5.9-rc7","v5.4.71","v5.4.70","v5.9-rc8","v5.9-rc6","v5.9-rc4","v5.9-rc5","v5.4.69","v5.9-rc3","v5.4.68","v5.4.67","v5.9-rc2","v5.4.66","v5.4.65","v5.4.64","v5.4.63","v5.4.62","v5.8","v5.4.61","v5.4.60","v5.4.59","v5.4.58","v5.4.57","v5.4.56","v5.7","v5.8-rc2","v5.8-rc1","v5.8-rc7","v5.4.55","v5.8-rc5","v5.4.54","v5.8-rc3","v5.8-rc4","v5.4.53","v5.8-rc6","v5.4.52","v5.4.51","v5.4.50","v5.4.49","v5.7-rc4","v5.4.48","v5.4.47","v5.4.46","v5.4.45","v5.4.44","v5.7-rc7","v5.7-rc1","v5.4.43","v5.7-rc3","v5.7-rc2","v5.7-rc5","v5.4.42","v5.7-rc6","v5.4.41","v5.4.40","v5.6","v5.4.39","v5.4.38","v5.4.37","v5.4.36","v5.4.35","v5.4.34","v5.4.33","v5.4.32","v5.4.31","v5.4.30","v5.6-rc1","v5.4.29","v5.4.28","v5.6-rc7","v5.6-rc6","v5.6-rc3","v5.6-rc4","v5.6-rc2","v5.6-rc5","v5.4.27","v5.4.26","v5.4.25","v5.4.24","v5.4.23","v5.4.22","v5.4.21","v5.4.20","v5.4.19","v5.4.18","v5.5","v5.4.17","v5.5-rc5","v5.4.16","v5.5-rc7","v5.5-rc2","v5.5-rc1","v5.4.15","v5.4","v5.4.14","v5.5-rc4","v5.4.13","v5.5-rc3","v5.5-rc6","v5.4.12","v5.4.11","v5.4.10","v5.4.9","v5.4.8","v5.4.7","v5.4.6","v5.4.5","v5.4.4","v5.4.3","v5.4.2","v5.4-rc1","v5.4.1","v5.4-rc6","v5.4-rc3","v5.4-rc4",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