{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50419","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-09-17T14:53:07.003Z","datePublished":"2025-09-18T16:04:02.152Z","dateUpdated":"2026-05-11T19:19:07.765Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:19:07.765Z"},"descriptions":[{"lang":"en","value":"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 <TASK>\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 </TASK>"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sysfs.c"],"versions":[{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"4bcefec3636208b4c97536b26014d5935d5c10a0","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"6144423712d570247b8ca26e50a277c30dd13702","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"671fee73e08ff415d36a7c16bdf238927df83884","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"6e85d2ad958c6f034b1b158d904019869dbb3c81","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"7b674dce4162bb46d396586e30e4653427023875","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"3423a50fa018e88aed4c900d59c3c8334d8ad583","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"ef055094df4c10b73cfe67c8d43f9de1fb608a8b","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"1b6c89571f453101251201f0fad1c26f7256e937","status":"affected","versionType":"git"},{"version":"b219e3ac66183fc9771b94af931fb5fd41d586ec","lessThan":"448a496f760664d3e2e79466aa1787e6abc922b5","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/hci_sysfs.c"],"versions":[{"version":"2.6.19","status":"affected"},{"version":"0","lessThan":"2.6.19","status":"unaffected","versionType":"semver"},{"version":"4.9.331","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.296","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.262","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.220","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.150","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.75","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.19.17","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0.3","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"4.9.331"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"4.14.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"4.19.262"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.4.220"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.10.150"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.15.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"5.19.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"6.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.19","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4bcefec3636208b4c97536b26014d5935d5c10a0"},{"url":"https://git.kernel.org/stable/c/6144423712d570247b8ca26e50a277c30dd13702"},{"url":"https://git.kernel.org/stable/c/671fee73e08ff415d36a7c16bdf238927df83884"},{"url":"https://git.kernel.org/stable/c/6e85d2ad958c6f034b1b158d904019869dbb3c81"},{"url":"https://git.kernel.org/stable/c/7b674dce4162bb46d396586e30e4653427023875"},{"url":"https://git.kernel.org/stable/c/3423a50fa018e88aed4c900d59c3c8334d8ad583"},{"url":"https://git.kernel.org/stable/c/ef055094df4c10b73cfe67c8d43f9de1fb608a8b"},{"url":"https://git.kernel.org/stable/c/1b6c89571f453101251201f0fad1c26f7256e937"},{"url":"https://git.kernel.org/stable/c/448a496f760664d3e2e79466aa1787e6abc922b5"}],"title":"Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-50419","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-01-14T19:11:20.804878Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-415","description":"CWE-415 Double Free"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-01-14T19:13:10.240Z"}}]}}