{"schema_version":"1.9.0","id":"CVE-2022-49474","published":"2025-02-26T02:13:16.679Z","modified":"2026-08-12T03:51:25.183424917Z","related":["SUSE-SU-2025:01983-1","SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1"],"summary":"Bluetooth: fix dangling sco_conn and use-after-free in sco_sock_timeout","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: fix dangling sco_conn and use-after-free in sco_sock_timeout\n\nConnecting the same socket twice consecutively in sco_sock_connect()\ncould lead to a race condition where two sco_conn objects are created\nbut only one is associated with the socket. If the socket is closed\nbefore the SCO connection is established, the timer associated with the\ndangling sco_conn object won't be canceled. As the sock object is being\nfreed, the use-after-free problem happens when the timer callback\nfunction sco_sock_timeout() accesses the socket. Here's the call trace:\n\ndump_stack+0x107/0x163\n? refcount_inc+0x1c/\nprint_address_description.constprop.0+0x1c/0x47e\n? refcount_inc+0x1c/0x7b\nkasan_report+0x13a/0x173\n? refcount_inc+0x1c/0x7b\ncheck_memory_region+0x132/0x139\nrefcount_inc+0x1c/0x7b\nsco_sock_timeout+0xb2/0x1ba\nprocess_one_work+0x739/0xbd1\n? cancel_delayed_work+0x13f/0x13f\n? __raw_spin_lock_init+0xf0/0xf0\n? to_kthread+0x59/0x85\nworker_thread+0x593/0x70e\nkthread+0x346/0x35a\n? drain_workqueue+0x31a/0x31a\n? kthread_bind+0x4b/0x4b\nret_from_fork+0x1f/0x30","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"22c66af08230a7030bdb88accffaec3424695631"},{"fixed":"9de3dc09e56f8deacd2bdbf4cecb71e11a312405"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0115a66ebb44bd9127ccb58cf43ed23c795eb1f0"},{"fixed":"7d61dbd7311ab978d8ddac1749a758de4de00374"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bc4b08383046f3282b6fa58cfcef05bd13e52b93"},{"fixed":"390d82733a953c1fabf3de9c9618091a7a9c90a6"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5ccb04c6e1fb7b97fa2e1785b67c3a1cb3527ef7"},{"fixed":"6f55fac0af3531cf60d11369454c41f5fc81ab3f"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"059c2c09f4b7f97711d0d8eaa0b9877f5e7d0a75"},{"fixed":"36c644c63bfcaee2d3a426f45e89a9cd09799318"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e1dee2c1de2b4dd00eb44004a4bda6326ed07b59"},{"fixed":"65d347cb39e2e6bd0c2a745ad7c928998ebb0162"},{"fixed":"537f619dea4e3fa8ed1f8f938abffe3615794bcc"},{"fixed":"99df16007f4bbf9abfc3478cb17d10f0d7f8906e"},{"fixed":"7aa1e7d15f8a5b65f67bacb100d8fc033b21efa2"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"98ae477ed1540d3acbbf44d88ee237ad64275158"},{"last_affected":"f0c389e23e2475e5837716a629c81b7a9d90cc94"},{"last_affected":"0b9da4bde0d59c61b3675bdd80a05a726beb875a"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.9.283"},{"fixed":"4.9.318"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.14.247"},{"fixed":"4.14.283"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.19.207"},{"fixed":"4.19.247"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.4.146"},{"fixed":"5.4.198"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.10.65"},{"fixed":"5.10.121"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.4.284"},{"fixed":"4.5"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.13.17"},{"fixed":"5.14"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5.14.4"},{"fixed":"5.15"}]}],"versions":["v4.9.317","v4.9.316","v4.9.315","v4.9.314","v4.9.313","v4.9.312","v4.9.311","v4.9.310","v4.9.309","v4.9.308","v4.9.307","v4.9.306","v4.9.305","v4.9.304","v4.9.303","v4.9.302","v4.9.301","v4.9.300","v4.9.299","v4.9.298","v4.9.297","v4.9.296","v4.9.295","v4.9.294","v4.9.293","v4.9.292","v4.9.291","v4.9.290","v4.9.289","v4.9.288","v4.9.287","v4.9.286","v4.9.285","v4.9.284","v4.9.283","v4.14.282","v4.14.281","v4.14.280","v4.14.279","v4.14.278","v4.14.277","v4.14.276","v4.14.275","v4.14.274","v4.14.273","v4.14.272","v4.14.271","v4.14.270","v4.14.269","v4.14.268","v4.14.267","v4.14.266","v4.14.265","v4.14.264","v4.14.263","v4.14.262","v4.14.261","v4.14.260","v4.14.259","v4.14.258","v4.14.257","v4.14.256","v4.14.255","v4.14.254","v4.14.253","v4.14.252","v4.14.251","v4.14.250","v4.14.249","v4.14.248","v4.14.247","v4.19.246","v4.19.245","v4.19.244","v4.19.243","v4.19.242","v4.19.241","v4.19.240","v4.19.239","v4.19.238","v4.19.237","v4.19.236","v4.19.235","v4.19.234","v4.19.233","v4.19.232","v4.19.231","v4.19.230","v4.19.229","v4.19.228","v4.19.227","v4.19.226","v4.19.225","v4.19.224","v4.19.223","v4.19.222","v4.19.221","v4.19.220","v4.19.219","v4.19.218","v4.19.217","v4.19.216","v4.19.215","v4.19.214","v4.19.213","v4.19.212","v4.19.211","v4.19.210","v4.19.209","v4.19.208","v4.19.207","v5.4.197","v5.4.196","v5.4.195","v5.4.194","v5.4.193","v5.4.192","v5.4.191","v5.4.190","v5.4.189","v5.4.188","v5.4.187","v5.4.186","v5.4.185","v5.4.184","v5.4.183","v5.4.182","v5.4.181","v5.4.180","v5.4.179","v5.4.178","v5.4.177","v5.4.176","v5.4.175","v5.4.174","v5.4.173","v5.4.172","v5.4.171","v5.4.170","v5.4.169","v5.4.168","v5.4.167","v5.4.166","v5.4.165","v5.4.164","v5.4.163","v5.4.162","v5.4.161","v5.4.160","v5.4.159","v5.4.158","v5.4.157","v5.4.156","v5.4.155","v5.4.154","v5.4.153","v5.4.152","v5.4.151","v5.4.150","v5.4.149","v5.4.148","v5.4.147","v5.4.146","v5.10.120","v5.10.119","v5.10.118","v5.10.117","v5.10.116","v5.10.115","v5.10.114","v5.10.113","v5.10.112","v5.10.111","v5.10.110","v5.10.109","v5.10.108","v5.10.10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