{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50419", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50419", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-09-18T16:04:02.152Z", "updatedAt": "2026-08-05T08:58:43.597Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times", "summary": "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 \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 ", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "4bcefec3636208b4c97536b26014d5935d5c10a0" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "6144423712d570247b8ca26e50a277c30dd13702" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "671fee73e08ff415d36a7c16bdf238927df83884" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "6e85d2ad958c6f034b1b158d904019869dbb3c81" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "7b674dce4162bb46d396586e30e4653427023875" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "3423a50fa018e88aed4c900d59c3c8334d8ad583" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "ef055094df4c10b73cfe67c8d43f9de1fb608a8b" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "1b6c89571f453101251201f0fad1c26f7256e937" }, { "version": "b219e3ac66183fc9771b94af931fb5fd41d586ec", "status": "affected", "versionType": "git", "lessThan": "448a496f760664d3e2e79466aa1787e6abc922b5" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.19", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.19" }, { "version": "4.9.331", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.296", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.262", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.220", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.150", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.75", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.19.17", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0.3", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.0.*" }, { "version": "6.1", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }