Answer in brief
CVE-2022-50419 records a High severity (CVSS 8.8) vulnerability in Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=b219e3ac66183fc9771b94af931fb5fd41d586ec <4bcefec3636208b4c97536b26014d5935d5c10a0 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <6144423712d570247b8ca26e50a277c30dd13702 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <671fee73e08ff415d36a7c16bdf238927df83884 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <6e85d2ad958c6f034b1b158d904019869dbb3c81 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <7b674dce4162bb46d396586e30e4653427023875 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <3423a50fa018e88aed4c900d59c3c8334d8ad583 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <ef055094df4c10b73cfe67c8d43f9de1fb608a8b || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <1b6c89571f453101251201f0fad1c26f7256e937 || >=b219e3ac66183fc9771b94af931fb5fd41d586ec <448a496f760664d3e2e79466aa1787e6abc922b5 | 4bcefec3636208b4c97536b26014d5935d5c10a0, 6144423712d570247b8ca26e50a277c30dd13702, 671fee73e08ff415d36a7c16bdf238927df83884, 6e85d2ad958c6f034b1b158d904019869dbb3c81, 7b674dce4162bb46d396586e30e4653427023875, 3423a50fa018e88aed4c900d59c3c8334d8ad583, ef055094df4c10b73cfe67c8d43f9de1fb608a8b, 1b6c89571f453101251201f0fad1c26f7256e937, 448a496f760664d3e2e79466aa1787e6abc922b5 |
| Linux/Linuxgeneric | 2.6.19 | Not reported |
Published upstream
Sep 18, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times device_add shall not be called multiple times as stated in its documentation: 'Do not call this routine or device_register() more than once for any device structure' Syzkaller reports a bug as follows [1]: ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:33! invalid opcode: 0000 [#1] PREEMPT SMP KASAN [...] Call Trace: <TASK> __list_add include/linux/list.h:69 [inline] list_add_tail include/linux/list.h:102 [inline] kobj_kset_join lib/kobject.c:164 [inline] kobject_add_internal+0x18f/0x8f0 lib/kobject.c:214 kobject_add_varg lib/kobject.c:358 [inline] kobject_add+0x150/0x1c0 lib/kobject.c:410 device_add+0x368/0x1e90 drivers/base/core.c:3452 hci_conn_add_sysfs+0x9b/0x1b0 net/bluetooth/hci_sysfs.c:53 hci_le_cis_estabilished_evt+0x57c/0xae0 net/bluetooth/hci_event.c:6799 hci_le_meta_evt+0x2b8/0x510 net/bluetooth/hci_event.c:7110 hci_event_func net/bluetooth/hci_event.c:7440 [inline] hci_event_packet+0x63d/0xfd0 net/bluetooth/hci_event.c:7495 hci_rx_work+0xae7/0x1230 net/bluetooth/hci_core.c:4007 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK>
Quoted source text, attributed separately from HOL analysis.