CVE-2022-50419 (GCVE-0-2022-50419)
Vulnerability from cvelistv5
Published
2025-09-18 16:04
Modified
2025-09-18 16:04
Severity ?
Summary
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>
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
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          "programFiles": [
            "net/bluetooth/hci_sysfs.c"
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          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "lessThanOrEqual": "6.0.*",
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              "version": "6.0.3",
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            {
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              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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              "negate": false,
              "operator": "OR"
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      ],
      "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 \u0027Do not call this routine or device_register() more than once for\n any device structure\u0027\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"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-18T16:04:02.152Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "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"
        },
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          "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"
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50419",
    "datePublished": "2025-09-18T16:04:02.152Z",
    "dateReserved": "2025-09-17T14:53:07.003Z",
    "dateUpdated": "2025-09-18T16:04:02.152Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50419\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-18T16:15:45.353\",\"lastModified\":\"2025-09-19T16:00:27.847\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"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 \u0027Do not call this routine or device_register() more than once for\\n any device structure\u0027\\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\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1b6c89571f453101251201f0fad1c26f7256e937\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3423a50fa018e88aed4c900d59c3c8334d8ad583\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/448a496f760664d3e2e79466aa1787e6abc922b5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4bcefec3636208b4c97536b26014d5935d5c10a0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6144423712d570247b8ca26e50a277c30dd13702\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/671fee73e08ff415d36a7c16bdf238927df83884\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6e85d2ad958c6f034b1b158d904019869dbb3c81\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7b674dce4162bb46d396586e30e4653427023875\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ef055094df4c10b73cfe67c8d43f9de1fb608a8b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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