{"id":"CVE-2022-50419","summary":"Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sysfs: Fix attempting to call device_add multiple times\n\ndevice_add shall not be called multiple times as stated in its\ndocumentation:\n\n 'Do not call this routine or device_register() more than once for\n any device structure'\n\nSyzkaller reports a bug as follows [1]:\n------------[ cut here ]------------\nkernel BUG at lib/list_debug.c:33!\ninvalid opcode: 0000 [#1] PREEMPT SMP KASAN\n[...]\nCall Trace:\n \u003cTASK\u003e\n __list_add include/linux/list.h:69 [inline]\n list_add_tail include/linux/list.h:102 [inline]\n kobj_kset_join lib/kobject.c:164 [inline]\n kobject_add_internal+0x18f/0x8f0 lib/kobject.c:214\n kobject_add_varg lib/kobject.c:358 [inline]\n kobject_add+0x150/0x1c0 lib/kobject.c:410\n device_add+0x368/0x1e90 drivers/base/core.c:3452\n hci_conn_add_sysfs+0x9b/0x1b0 net/bluetooth/hci_sysfs.c:53\n hci_le_cis_estabilished_evt+0x57c/0xae0 net/bluetooth/hci_event.c:6799\n hci_le_meta_evt+0x2b8/0x510 net/bluetooth/hci_event.c:7110\n hci_event_func net/bluetooth/hci_event.c:7440 [inline]\n hci_event_packet+0x63d/0xfd0 net/bluetooth/hci_event.c:7495\n hci_rx_work+0xae7/0x1230 net/bluetooth/hci_core.c:4007\n process_one_work+0x991/0x1610 kernel/workqueue.c:2289\n worker_thread+0x665/0x1080 kernel/workqueue.c:2436\n kthread+0x2e4/0x3a0 kernel/kthread.c:376\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306\n \u003c/TASK\u003e","modified":"2026-04-02T08:28:29.431185Z","published":"2025-09-18T16:04:02.152Z","related":["SUSE-SU-2025:03613-1","SUSE-SU-2025:03614-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03626-1","SUSE-SU-2025:03628-1","SUSE-SU-2025:3716-1","SUSE-SU-2025:3761-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50419.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1b6c89571f453101251201f0fad1c26f7256e937"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3423a50fa018e88aed4c900d59c3c8334d8ad583"},{"type":"WEB","url":"https://git.kernel.org/stable/c/448a496f760664d3e2e79466aa1787e6abc922b5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4bcefec3636208b4c97536b26014d5935d5c10a0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6144423712d570247b8ca26e50a277c30dd13702"},{"type":"WEB","url":"https://git.kernel.org/stable/c/671fee73e08ff415d36a7c16bdf238927df83884"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6e85d2ad958c6f034b1b158d904019869dbb3c81"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7b674dce4162bb46d396586e30e4653427023875"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef055094df4c10b73cfe67c8d43f9de1fb608a8b"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50419.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50419"},{"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":"b219e3ac66183fc9771b94af931fb5fd41d586ec"},{"fixed":"4bcefec3636208b4c97536b26014d5935d5c10a0"},{"fixed":"6144423712d570247b8ca26e50a277c30dd13702"},{"fixed":"671fee73e08ff415d36a7c16bdf238927df83884"},{"fixed":"6e85d2ad958c6f034b1b158d904019869dbb3c81"},{"fixed":"7b674dce4162bb46d396586e30e4653427023875"},{"fixed":"3423a50fa018e88aed4c900d59c3c8334d8ad583"},{"fixed":"ef055094df4c10b73cfe67c8d43f9de1fb608a8b"},{"fixed":"1b6c89571f453101251201f0fad1c26f7256e937"},{"fixed":"448a496f760664d3e2e79466aa1787e6abc922b5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50419.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}