CVE-2022-50419

HIGH EPSS 5.2%
Published Sep 18, 20259mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

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>

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
5.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-415

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥2.6.19  –  <4.9.331
linuxlinux_kernel*≥4.10  –  <4.14.296
linuxlinux_kernel*≥4.15  –  <4.19.262
linuxlinux_kernel*≥4.20  –  <5.4.220
linuxlinux_kernel*≥5.5  –  <5.10.150
linuxlinux_kernel*≥5.11  –  <5.15.75
linuxlinux_kernel*≥5.16  –  <5.19.17
linuxlinux_kernel*≥6.0  –  <6.0.3

References 9

  • git.kernel.org https://git.kernel.org/stable/c/1b6c89571f453101251201f0fad1c26f7256e937
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3423a50fa018e88aed4c900d59c3c8334d8ad583
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/448a496f760664d3e2e79466aa1787e6abc922b5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4bcefec3636208b4c97536b26014d5935d5c10a0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6144423712d570247b8ca26e50a277c30dd13702
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/671fee73e08ff415d36a7c16bdf238927df83884
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e85d2ad958c6f034b1b158d904019869dbb3c81
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7b674dce4162bb46d396586e30e4653427023875
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ef055094df4c10b73cfe67c8d43f9de1fb608a8b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1b6c89571f453101251201f0fad1c26f7256e937
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3423a50fa018e88aed4c900d59c3c8334d8ad583
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/448a496f760664d3e2e79466aa1787e6abc922b5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4bcefec3636208b4c97536b26014d5935d5c10a0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6144423712d570247b8ca26e50a277c30dd13702
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/671fee73e08ff415d36a7c16bdf238927df83884
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e85d2ad958c6f034b1b158d904019869dbb3c81
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7b674dce4162bb46d396586e30e4653427023875
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ef055094df4c10b73cfe67c8d43f9de1fb608a8b
    Patch