CVE-2024-53237 (GCVE-0-2024-53237)

Vulnerability from cvelistv5 – Published: 2024-12-27 13:50 – Updated: 2026-05-23 15:55
VLAI
Title
Bluetooth: fix use-after-free in device_for_each_child()
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix use-after-free in device_for_each_child() Syzbot has reported the following KASAN splat: BUG: KASAN: slab-use-after-free in device_for_each_child+0x18f/0x1a0 Read of size 8 at addr ffff88801f605308 by task kbnepd bnep0/4980 CPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 Not tainted 6.12.0-rc4-00161-gae90f6a6170d #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 Call Trace: <TASK> dump_stack_lvl+0x100/0x190 ? device_for_each_child+0x18f/0x1a0 print_report+0x13a/0x4cb ? __virt_addr_valid+0x5e/0x590 ? __phys_addr+0xc6/0x150 ? device_for_each_child+0x18f/0x1a0 kasan_report+0xda/0x110 ? device_for_each_child+0x18f/0x1a0 ? __pfx_dev_memalloc_noio+0x10/0x10 device_for_each_child+0x18f/0x1a0 ? __pfx_device_for_each_child+0x10/0x10 pm_runtime_set_memalloc_noio+0xf2/0x180 netdev_unregister_kobject+0x1ed/0x270 unregister_netdevice_many_notify+0x123c/0x1d80 ? __mutex_trylock_common+0xde/0x250 ? __pfx_unregister_netdevice_many_notify+0x10/0x10 ? trace_contention_end+0xe6/0x140 ? __mutex_lock+0x4e7/0x8f0 ? __pfx_lock_acquire.part.0+0x10/0x10 ? rcu_is_watching+0x12/0xc0 ? unregister_netdev+0x12/0x30 unregister_netdevice_queue+0x30d/0x3f0 ? __pfx_unregister_netdevice_queue+0x10/0x10 ? __pfx_down_write+0x10/0x10 unregister_netdev+0x1c/0x30 bnep_session+0x1fb3/0x2ab0 ? __pfx_bnep_session+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __pfx_woken_wake_function+0x10/0x10 ? __kthread_parkme+0x132/0x200 ? __pfx_bnep_session+0x10/0x10 ? kthread+0x13a/0x370 ? __pfx_bnep_session+0x10/0x10 kthread+0x2b7/0x370 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x48/0x80 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK> Allocated by task 4974: kasan_save_stack+0x30/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0xaa/0xb0 __kmalloc_noprof+0x1d1/0x440 hci_alloc_dev_priv+0x1d/0x2820 __vhci_create_device+0xef/0x7d0 vhci_write+0x2c7/0x480 vfs_write+0x6a0/0xfc0 ksys_write+0x12f/0x260 do_syscall_64+0xc7/0x250 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 4979: kasan_save_stack+0x30/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x4f/0x70 kfree+0x141/0x490 hci_release_dev+0x4d9/0x600 bt_host_release+0x6a/0xb0 device_release+0xa4/0x240 kobject_put+0x1ec/0x5a0 put_device+0x1f/0x30 vhci_release+0x81/0xf0 __fput+0x3f6/0xb30 task_work_run+0x151/0x250 do_exit+0xa79/0x2c30 do_group_exit+0xd5/0x2a0 get_signal+0x1fcd/0x2210 arch_do_signal_or_restart+0x93/0x780 syscall_exit_to_user_mode+0x140/0x290 do_syscall_64+0xd4/0x250 entry_SYSCALL_64_after_hwframe+0x77/0x7f In 'hci_conn_del_sysfs()', 'device_unregister()' may be called when an underlying (kobject) reference counter is greater than 1. This means that reparenting (happened when the device is actually freed) is delayed and, during that delay, parent controller device (hciX) may be deleted. Since the latter may create a dangling pointer to freed parent, avoid that scenario by reparenting to NULL explicitly.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3c4236f1b2a715e878a06599fa8b0cc21f165d28 , < 6894717a1ea363c5a27010ba604f957c309d282d (git)
Affected: 53d61daf35b1bbf3ae06e852ee107aa2f05b3776 , < fb91ce37dc9a37ea23cf32b6d7b667004e93d4c5 (git)
Affected: ba7088769800d9892a7e4f35c3137a5b3e65410b , < a9584c897d1cba6265c78010bbb45ca5722c88bc (git)
Affected: 87624b1f9b781549e69f92db7ede012a21cec275 , < 0f67ca2a80acf8b207240405b7f72d660665d3df (git)
Affected: 56a4fdde95ed98d864611155f6728983e199e198 , < de5a44f351ca7efd9add9851b218f5353e2224b7 (git)
Affected: a85fb91e3d728bdfc80833167e8162cce8bc7004 , < 91e2a2e4d1336333804cd31162984f01ad8cc70f (git)
Affected: a85fb91e3d728bdfc80833167e8162cce8bc7004 , < 7b277bd569bb6a2777f0014f84b4344f444fd49d (git)
Affected: a85fb91e3d728bdfc80833167e8162cce8bc7004 , < 27aabf27fd014ae037cc179c61b0bee7cff55b3d (git)
Affected: 5c53afc766e07098429520b7677eaa164b593451 (git)
Affected: fc666d1b47518a18519241cae213de1babd4a4ba (git)
Affected: 5.4.262 , < 5.4.297 (semver)
Affected: 5.10.202 , < 5.10.231 (semver)
Affected: 5.15.140 , < 5.15.174 (semver)
Affected: 6.1.64 , < 6.1.120 (semver)
Affected: 6.6.3 , < 6.6.64 (semver)
Affected: 4.19.300 , < 4.20 (semver)
Affected: 6.5.13 , < 6.6 (semver)
Create a notification for this product.
Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: fix use-after-free in device_for_each_child()\n\nSyzbot has reported the following KASAN splat:\n\nBUG: KASAN: slab-use-after-free in device_for_each_child+0x18f/0x1a0\nRead of size 8 at addr ffff88801f605308 by task kbnepd bnep0/4980\n\nCPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 Not tainted 6.12.0-rc4-00161-gae90f6a6170d #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x100/0x190\n ? device_for_each_child+0x18f/0x1a0\n print_report+0x13a/0x4cb\n ? __virt_addr_valid+0x5e/0x590\n ? __phys_addr+0xc6/0x150\n ? device_for_each_child+0x18f/0x1a0\n kasan_report+0xda/0x110\n ? device_for_each_child+0x18f/0x1a0\n ? __pfx_dev_memalloc_noio+0x10/0x10\n device_for_each_child+0x18f/0x1a0\n ? __pfx_device_for_each_child+0x10/0x10\n pm_runtime_set_memalloc_noio+0xf2/0x180\n netdev_unregister_kobject+0x1ed/0x270\n unregister_netdevice_many_notify+0x123c/0x1d80\n ? __mutex_trylock_common+0xde/0x250\n ? __pfx_unregister_netdevice_many_notify+0x10/0x10\n ? trace_contention_end+0xe6/0x140\n ? __mutex_lock+0x4e7/0x8f0\n ? __pfx_lock_acquire.part.0+0x10/0x10\n ? rcu_is_watching+0x12/0xc0\n ? unregister_netdev+0x12/0x30\n unregister_netdevice_queue+0x30d/0x3f0\n ? __pfx_unregister_netdevice_queue+0x10/0x10\n ? __pfx_down_write+0x10/0x10\n unregister_netdev+0x1c/0x30\n bnep_session+0x1fb3/0x2ab0\n ? __pfx_bnep_session+0x10/0x10\n ? __pfx_lock_release+0x10/0x10\n ? __pfx_woken_wake_function+0x10/0x10\n ? __kthread_parkme+0x132/0x200\n ? __pfx_bnep_session+0x10/0x10\n ? kthread+0x13a/0x370\n ? __pfx_bnep_session+0x10/0x10\n kthread+0x2b7/0x370\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x48/0x80\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n \u003c/TASK\u003e\n\nAllocated by task 4974:\n kasan_save_stack+0x30/0x50\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0xaa/0xb0\n __kmalloc_noprof+0x1d1/0x440\n hci_alloc_dev_priv+0x1d/0x2820\n __vhci_create_device+0xef/0x7d0\n vhci_write+0x2c7/0x480\n vfs_write+0x6a0/0xfc0\n ksys_write+0x12f/0x260\n do_syscall_64+0xc7/0x250\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 4979:\n kasan_save_stack+0x30/0x50\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x60\n __kasan_slab_free+0x4f/0x70\n kfree+0x141/0x490\n hci_release_dev+0x4d9/0x600\n bt_host_release+0x6a/0xb0\n device_release+0xa4/0x240\n kobject_put+0x1ec/0x5a0\n put_device+0x1f/0x30\n vhci_release+0x81/0xf0\n __fput+0x3f6/0xb30\n task_work_run+0x151/0x250\n do_exit+0xa79/0x2c30\n do_group_exit+0xd5/0x2a0\n get_signal+0x1fcd/0x2210\n arch_do_signal_or_restart+0x93/0x780\n syscall_exit_to_user_mode+0x140/0x290\n do_syscall_64+0xd4/0x250\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nIn \u0027hci_conn_del_sysfs()\u0027, \u0027device_unregister()\u0027 may be called when\nan underlying (kobject) reference counter is greater than 1. This\nmeans that reparenting (happened when the device is actually freed)\nis delayed and, during that delay, parent controller device (hciX)\nmay be deleted. Since the latter may create a dangling pointer to\nfreed parent, avoid that scenario by reparenting to NULL explicitly."
        }
      ],
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          "url": "https://git.kernel.org/stable/c/6894717a1ea363c5a27010ba604f957c309d282d"
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        },
        {
          "url": "https://git.kernel.org/stable/c/de5a44f351ca7efd9add9851b218f5353e2224b7"
        },
        {
          "url": "https://git.kernel.org/stable/c/91e2a2e4d1336333804cd31162984f01ad8cc70f"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b277bd569bb6a2777f0014f84b4344f444fd49d"
        },
        {
          "url": "https://git.kernel.org/stable/c/27aabf27fd014ae037cc179c61b0bee7cff55b3d"
        }
      ],
      "title": "Bluetooth: fix use-after-free in device_for_each_child()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53237",
    "datePublished": "2024-12-27T13:50:23.150Z",
    "dateReserved": "2024-11-19T17:17:25.026Z",
    "dateUpdated": "2026-05-23T15:55:30.598Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2024-53237",
      "date": "2026-07-15",
      "epss": "0.00221",
      "percentile": "0.12561"
    },
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: fix use-after-free in device_for_each_child()\\n\\nSyzbot has reported the following KASAN splat:\\n\\nBUG: KASAN: slab-use-after-free in device_for_each_child+0x18f/0x1a0\\nRead of size 8 at addr ffff88801f605308 by task kbnepd bnep0/4980\\n\\nCPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 Not tainted 6.12.0-rc4-00161-gae90f6a6170d #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x100/0x190\\n ? device_for_each_child+0x18f/0x1a0\\n print_report+0x13a/0x4cb\\n ? __virt_addr_valid+0x5e/0x590\\n ? __phys_addr+0xc6/0x150\\n ? device_for_each_child+0x18f/0x1a0\\n kasan_report+0xda/0x110\\n ? device_for_each_child+0x18f/0x1a0\\n ? __pfx_dev_memalloc_noio+0x10/0x10\\n device_for_each_child+0x18f/0x1a0\\n ? __pfx_device_for_each_child+0x10/0x10\\n pm_runtime_set_memalloc_noio+0xf2/0x180\\n netdev_unregister_kobject+0x1ed/0x270\\n unregister_netdevice_many_notify+0x123c/0x1d80\\n ? __mutex_trylock_common+0xde/0x250\\n ? __pfx_unregister_netdevice_many_notify+0x10/0x10\\n ? trace_contention_end+0xe6/0x140\\n ? __mutex_lock+0x4e7/0x8f0\\n ? __pfx_lock_acquire.part.0+0x10/0x10\\n ? rcu_is_watching+0x12/0xc0\\n ? unregister_netdev+0x12/0x30\\n unregister_netdevice_queue+0x30d/0x3f0\\n ? __pfx_unregister_netdevice_queue+0x10/0x10\\n ? __pfx_down_write+0x10/0x10\\n unregister_netdev+0x1c/0x30\\n bnep_session+0x1fb3/0x2ab0\\n ? __pfx_bnep_session+0x10/0x10\\n ? __pfx_lock_release+0x10/0x10\\n ? __pfx_woken_wake_function+0x10/0x10\\n ? __kthread_parkme+0x132/0x200\\n ? __pfx_bnep_session+0x10/0x10\\n ? kthread+0x13a/0x370\\n ? __pfx_bnep_session+0x10/0x10\\n kthread+0x2b7/0x370\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork+0x48/0x80\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork_asm+0x1a/0x30\\n \u003c/TASK\u003e\\n\\nAllocated by task 4974:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0xaa/0xb0\\n __kmalloc_noprof+0x1d1/0x440\\n hci_alloc_dev_priv+0x1d/0x2820\\n __vhci_create_device+0xef/0x7d0\\n vhci_write+0x2c7/0x480\\n vfs_write+0x6a0/0xfc0\\n ksys_write+0x12f/0x260\\n do_syscall_64+0xc7/0x250\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nFreed by task 4979:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n kasan_save_free_info+0x3b/0x60\\n __kasan_slab_free+0x4f/0x70\\n kfree+0x141/0x490\\n hci_release_dev+0x4d9/0x600\\n bt_host_release+0x6a/0xb0\\n device_release+0xa4/0x240\\n kobject_put+0x1ec/0x5a0\\n put_device+0x1f/0x30\\n vhci_release+0x81/0xf0\\n __fput+0x3f6/0xb30\\n task_work_run+0x151/0x250\\n do_exit+0xa79/0x2c30\\n do_group_exit+0xd5/0x2a0\\n get_signal+0x1fcd/0x2210\\n arch_do_signal_or_restart+0x93/0x780\\n syscall_exit_to_user_mode+0x140/0x290\\n do_syscall_64+0xd4/0x250\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nIn \u0027hci_conn_del_sysfs()\u0027, \u0027device_unregister()\u0027 may be called when\\nan underlying (kobject) reference counter is greater than 1. This\\nmeans that reparenting (happened when the device is actually freed)\\nis delayed and, during that delay, parent controller device (hciX)\\nmay be deleted. Since the latter may create a dangling pointer to\\nfreed parent, avoid that scenario by reparenting to NULL explicitly.\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: correcci\\u00f3n de use-after-free en device_for_each_child() Syzbot ha informado del siguiente splat de KASAN: ERROR: KASAN: slab-use-after-free en device_for_each_child+0x18f/0x1a0 Lectura de tama\\u00f1o 8 en la direcci\\u00f3n ffff88801f605308 por la tarea kbnepd bnep0/4980 CPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 No contaminado 6.12.0-rc4-00161-gae90f6a6170d #1 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 Rastreo de llamadas:  dump_stack_lvl+0x100/0x190 ? dispositivo_para_cada_hijo+0x18f/0x1a0 imprimir_informe+0x13a/0x4cb ? __virt_addr_valid+0x5e/0x590 ? __phys_addr+0xc6/0x150 ? dispositivo_para_cada_hijo+0x18f/0x1a0 kasan_informe+0xda/0x110 ? dispositivo_para_cada_hijo+0x18f/0x1a0 ? __pfx_dev_memalloc_noio+0x10/0x10 dispositivo_para_cada_hijo+0x18f/0x1a0 ? __pfx_device_for_each_child+0x10/0x10 pm_runtime_set_memalloc_noio+0xf2/0x180 netdev_unregister_kobject+0x1ed/0x270 anular_registro_de_dispositivo_de_red_muchas_notificaciones+0x123c/0x1d80 ? __mutex_trylock_common+0xde/0x250 ? __pfx_unregister_netdevice_muchas_notificaciones+0x10/0x10 ? trace_contention_end+0xe6/0x140 ? __mutex_lock+0x4e7/0x8f0 ? __pfx_lock_acquire.part.0+0x10/0x10 ? rcu_is_watching+0x12/0xc0 ? anular el registro de_netdev+0x12/0x30 anular el registro de_netdevice_queue+0x30d/0x3f0 ? __pfx_anular el registro de_netdevice_queue+0x10/0x10 ? __pfx_down_write+0x10/0x10 anular el registro de_netdev+0x1c/0x30 bnep_session+0x1fb3/0x2ab0 ? __pfx_bnep_session+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __pfx_woken_wake_function+0x10/0x10 ? __kthread_parkme+0x132/0x200 ? __pfx_bnep_session+0x10/0x10 ? kthread+0x13a/0x370 ? __pfx_bnep_session+0x10/0x10 kthread+0x2b7/0x370 ? __pfx_kthread+0x10/0x10 ret_de_la_bifurcaci\\u00f3n+0x48/0x80 ? Asignado por la tarea 4974: kasan_save_stack+0x30/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0xaa/0xb0 __kmalloc_noprof+0x1d1/0x440 hci_alloc_dev_priv+0x1d/0x2820 __vhci_create_device+0xef/0x7d0 vhci_write+0x2c7/0x480 vfs_write+0x6a0/0xfc0 ksys_write+0x12f/0x260 do_syscall_64+0xc7/0x250 entrada_SYSCALL_64_after_hwframe+0x77/0x7f Liberado por la tarea 4979: kasan_save_stack+0x30/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x4f/0x70 kfree+0x141/0x490 hci_release_dev+0x4d9/0x600 bt_host_release+0x6a/0xb0 device_release+0xa4/0x240 kobject_put+0x1ec/0x5a0 put_device+0x1f/0x30 vhci_release+0x81/0xf0 __fput+0x3f6/0xb30 En \u0027hci_conn_del_sysfs()\u0027, se puede llamar a \u0027device_unregister()\u0027 cuando un contador de referencia subyacente (kobject) es mayor que 1. Esto significa que la re-asignaci\\u00f3n de padres (que ocurre cuando el dispositivo se libera realmente) se demora y, durante esa demora, se puede eliminar el dispositivo controlador principal (hciX). Dado que esto \\u00faltimo puede crear un puntero colgante al padre liberado, evite ese escenario cambiando el padre a NULL expl\\u00edcitamente. \"}]",
      "id": "CVE-2024-53237",
      "lastModified": "2024-12-27T14:15:32.130",
      "published": "2024-12-27T14:15:32.130",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/0f67ca2a80acf8b207240405b7f72d660665d3df\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/27aabf27fd014ae037cc179c61b0bee7cff55b3d\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/7b277bd569bb6a2777f0014f84b4344f444fd49d\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/91e2a2e4d1336333804cd31162984f01ad8cc70f\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/a9584c897d1cba6265c78010bbb45ca5722c88bc\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/de5a44f351ca7efd9add9851b218f5353e2224b7\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/fb91ce37dc9a37ea23cf32b6d7b667004e93d4c5\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Undergoing Analysis"
    },
    "microsoft_vex": {
      "current_release_date": "2026-02-19T01:49:55.000Z",
      "cve": "CVE-2024-53237",
      "id": "msrc_CVE-2024-53237",
      "initial_release_date": "2024-12-02T00:00:00.000Z",
      "product_status:fixed": "4",
      "product_status:known_affected": "4",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Bluetooth: fix use-after-free in device_for_each_child()",
      "url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-53237.json",
      "version": "3"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-53237\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T14:15:32.130\",\"lastModified\":\"2026-06-17T08:08:40.243\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: fix use-after-free in device_for_each_child()\\n\\nSyzbot has reported the following KASAN splat:\\n\\nBUG: KASAN: slab-use-after-free in device_for_each_child+0x18f/0x1a0\\nRead of size 8 at addr ffff88801f605308 by task kbnepd bnep0/4980\\n\\nCPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 Not tainted 6.12.0-rc4-00161-gae90f6a6170d #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x100/0x190\\n ? device_for_each_child+0x18f/0x1a0\\n print_report+0x13a/0x4cb\\n ? __virt_addr_valid+0x5e/0x590\\n ? __phys_addr+0xc6/0x150\\n ? device_for_each_child+0x18f/0x1a0\\n kasan_report+0xda/0x110\\n ? device_for_each_child+0x18f/0x1a0\\n ? __pfx_dev_memalloc_noio+0x10/0x10\\n device_for_each_child+0x18f/0x1a0\\n ? __pfx_device_for_each_child+0x10/0x10\\n pm_runtime_set_memalloc_noio+0xf2/0x180\\n netdev_unregister_kobject+0x1ed/0x270\\n unregister_netdevice_many_notify+0x123c/0x1d80\\n ? __mutex_trylock_common+0xde/0x250\\n ? __pfx_unregister_netdevice_many_notify+0x10/0x10\\n ? trace_contention_end+0xe6/0x140\\n ? __mutex_lock+0x4e7/0x8f0\\n ? __pfx_lock_acquire.part.0+0x10/0x10\\n ? rcu_is_watching+0x12/0xc0\\n ? unregister_netdev+0x12/0x30\\n unregister_netdevice_queue+0x30d/0x3f0\\n ? __pfx_unregister_netdevice_queue+0x10/0x10\\n ? __pfx_down_write+0x10/0x10\\n unregister_netdev+0x1c/0x30\\n bnep_session+0x1fb3/0x2ab0\\n ? __pfx_bnep_session+0x10/0x10\\n ? __pfx_lock_release+0x10/0x10\\n ? __pfx_woken_wake_function+0x10/0x10\\n ? __kthread_parkme+0x132/0x200\\n ? __pfx_bnep_session+0x10/0x10\\n ? kthread+0x13a/0x370\\n ? __pfx_bnep_session+0x10/0x10\\n kthread+0x2b7/0x370\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork+0x48/0x80\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork_asm+0x1a/0x30\\n \u003c/TASK\u003e\\n\\nAllocated by task 4974:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0xaa/0xb0\\n __kmalloc_noprof+0x1d1/0x440\\n hci_alloc_dev_priv+0x1d/0x2820\\n __vhci_create_device+0xef/0x7d0\\n vhci_write+0x2c7/0x480\\n vfs_write+0x6a0/0xfc0\\n ksys_write+0x12f/0x260\\n do_syscall_64+0xc7/0x250\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nFreed by task 4979:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n kasan_save_free_info+0x3b/0x60\\n __kasan_slab_free+0x4f/0x70\\n kfree+0x141/0x490\\n hci_release_dev+0x4d9/0x600\\n bt_host_release+0x6a/0xb0\\n device_release+0xa4/0x240\\n kobject_put+0x1ec/0x5a0\\n put_device+0x1f/0x30\\n vhci_release+0x81/0xf0\\n __fput+0x3f6/0xb30\\n task_work_run+0x151/0x250\\n do_exit+0xa79/0x2c30\\n do_group_exit+0xd5/0x2a0\\n get_signal+0x1fcd/0x2210\\n arch_do_signal_or_restart+0x93/0x780\\n syscall_exit_to_user_mode+0x140/0x290\\n do_syscall_64+0xd4/0x250\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nIn \u0027hci_conn_del_sysfs()\u0027, \u0027device_unregister()\u0027 may be called when\\nan underlying (kobject) reference counter is greater than 1. This\\nmeans that reparenting (happened when the device is actually freed)\\nis delayed and, during that delay, parent controller device (hciX)\\nmay be deleted. Since the latter may create a dangling pointer to\\nfreed parent, avoid that scenario by reparenting to NULL explicitly.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: correcci\u00f3n de use-after-free en device_for_each_child() Syzbot ha informado del siguiente splat de KASAN: ERROR: KASAN: slab-use-after-free en device_for_each_child+0x18f/0x1a0 Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff88801f605308 por la tarea kbnepd bnep0/4980 CPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 No contaminado 6.12.0-rc4-00161-gae90f6a6170d #1 Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 Rastreo de llamadas:  dump_stack_lvl+0x100/0x190 ? dispositivo_para_cada_hijo+0x18f/0x1a0 imprimir_informe+0x13a/0x4cb ? __virt_addr_valid+0x5e/0x590 ? __phys_addr+0xc6/0x150 ? dispositivo_para_cada_hijo+0x18f/0x1a0 kasan_informe+0xda/0x110 ? dispositivo_para_cada_hijo+0x18f/0x1a0 ? __pfx_dev_memalloc_noio+0x10/0x10 dispositivo_para_cada_hijo+0x18f/0x1a0 ? __pfx_device_for_each_child+0x10/0x10 pm_runtime_set_memalloc_noio+0xf2/0x180 netdev_unregister_kobject+0x1ed/0x270 anular_registro_de_dispositivo_de_red_muchas_notificaciones+0x123c/0x1d80 ? __mutex_trylock_common+0xde/0x250 ? __pfx_unregister_netdevice_muchas_notificaciones+0x10/0x10 ? trace_contention_end+0xe6/0x140 ? __mutex_lock+0x4e7/0x8f0 ? __pfx_lock_acquire.part.0+0x10/0x10 ? rcu_is_watching+0x12/0xc0 ? anular el registro de_netdev+0x12/0x30 anular el registro de_netdevice_queue+0x30d/0x3f0 ? __pfx_anular el registro de_netdevice_queue+0x10/0x10 ? __pfx_down_write+0x10/0x10 anular el registro de_netdev+0x1c/0x30 bnep_session+0x1fb3/0x2ab0 ? __pfx_bnep_session+0x10/0x10 ? __pfx_lock_release+0x10/0x10 ? __pfx_woken_wake_function+0x10/0x10 ? __kthread_parkme+0x132/0x200 ? __pfx_bnep_session+0x10/0x10 ? kthread+0x13a/0x370 ? __pfx_bnep_session+0x10/0x10 kthread+0x2b7/0x370 ? __pfx_kthread+0x10/0x10 ret_de_la_bifurcaci\u00f3n+0x48/0x80 ? Asignado por la tarea 4974: kasan_save_stack+0x30/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0xaa/0xb0 __kmalloc_noprof+0x1d1/0x440 hci_alloc_dev_priv+0x1d/0x2820 __vhci_create_device+0xef/0x7d0 vhci_write+0x2c7/0x480 vfs_write+0x6a0/0xfc0 ksys_write+0x12f/0x260 do_syscall_64+0xc7/0x250 entrada_SYSCALL_64_after_hwframe+0x77/0x7f Liberado por la tarea 4979: kasan_save_stack+0x30/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x4f/0x70 kfree+0x141/0x490 hci_release_dev+0x4d9/0x600 bt_host_release+0x6a/0xb0 device_release+0xa4/0x240 kobject_put+0x1ec/0x5a0 put_device+0x1f/0x30 vhci_release+0x81/0xf0 __fput+0x3f6/0xb30 En \u0027hci_conn_del_sysfs()\u0027, se puede llamar a \u0027device_unregister()\u0027 cuando un contador de referencia subyacente (kobject) es mayor que 1. Esto significa que la re-asignaci\u00f3n de padres (que ocurre cuando el dispositivo se libera realmente) se demora y, durante esa demora, se puede eliminar el dispositivo controlador principal (hciX). Dado que esto \u00faltimo puede crear un puntero colgante al padre liberado, evite ese escenario cambiando el padre a NULL expl\u00edcitamente. \"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/bluetooth/hci_sysfs.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3c4236f1b2a715e878a06599fa8b0cc21f165d28\",\"lessThan\":\"6894717a1ea363c5a27010ba604f957c309d282d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"53d61daf35b1bbf3ae06e852ee107aa2f05b3776\",\"lessThan\":\"fb91ce37dc9a37ea23cf32b6d7b667004e93d4c5\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ba7088769800d9892a7e4f35c3137a5b3e65410b\",\"lessThan\":\"a9584c897d1cba6265c78010bbb45ca5722c88bc\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"87624b1f9b781549e69f92db7ede012a21cec275\",\"lessThan\":\"0f67ca2a80acf8b207240405b7f72d660665d3df\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"56a4fdde95ed98d864611155f6728983e199e198\",\"lessThan\":\"de5a44f351ca7efd9add9851b218f5353e2224b7\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a85fb91e3d728bdfc80833167e8162cce8bc7004\",\"lessThan\":\"91e2a2e4d1336333804cd31162984f01ad8cc70f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a85fb91e3d728bdfc80833167e8162cce8bc7004\",\"lessThan\":\"7b277bd569bb6a2777f0014f84b4344f444fd49d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a85fb91e3d728bdfc80833167e8162cce8bc7004\",\"lessThan\":\"27aabf27fd014ae037cc179c61b0bee7cff55b3d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5c53afc766e07098429520b7677eaa164b593451\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fc666d1b47518a18519241cae213de1babd4a4ba\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"5.4.262\",\"lessThan\":\"5.4.297\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.10.202\",\"lessThan\":\"5.10.231\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.15.140\",\"lessThan\":\"5.15.174\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.1.64\",\"lessThan\":\"6.1.120\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.6.3\",\"lessThan\":\"6.6.64\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.19.300\",\"lessThan\":\"4.20\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.5.13\",\"lessThan\":\"6.6\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/bluetooth/hci_sysfs.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.7\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.7\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.297\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.231\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.174\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.120\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.64\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.11\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.2\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-02-11T15:43:02.570092Z\",\"id\":\"CVE-2024-53237\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.19.300\",\"versionEndExcluding\":\"4.20\",\"matchCriteriaId\":\"FF14B566-3C7B-4425-8715-D7320CF9C094\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.262\",\"versionEndExcluding\":\"5.5\",\"matchCriteriaId\":\"5CE7F771-8144-4AEC-B6E3-5F4830BD8EB7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.202\",\"versionEndExcluding\":\"5.10.231\",\"matchCriteriaId\":\"438EF59D-BC9F-48C5-B9A9-C56985EA012A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.140\",\"versionEndExcluding\":\"5.15.174\",\"matchCriteriaId\":\"CB4C9D19-F3EB-4036-A5FC-A01AA260BFD9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.64\",\"versionEndExcluding\":\"6.1.120\",\"matchCriteriaId\":\"7060C5E2-F9F3-49A2-9044-DEB0F542A12F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.5.13\",\"versionEndExcluding\":\"6.6\",\"matchCriteriaId\":\"3B6AC16B-2F1C-4FDF-8F49-09FC11C3F5B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.3\",\"versionEndExcluding\":\"6.6.64\",\"matchCriteriaId\":\"D245FF9F-B8BB-4ED6-992B-7580CB2F9A88\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.11.11\",\"matchCriteriaId\":\"21434379-192D-472F-9B54-D45E3650E893\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.12\",\"versionEndExcluding\":\"6.12.2\",\"matchCriteriaId\":\"D8882B1B-2ABC-4838-AC1D-DBDBB5764776\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0f67ca2a80acf8b207240405b7f72d660665d3df\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/27aabf27fd014ae037cc179c61b0bee7cff55b3d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6894717a1ea363c5a27010ba604f957c309d282d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7b277bd569bb6a2777f0014f84b4344f444fd49d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/91e2a2e4d1336333804cd31162984f01ad8cc70f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a9584c897d1cba6265c78010bbb45ca5722c88bc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/de5a44f351ca7efd9add9851b218f5353e2224b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fb91ce37dc9a37ea23cf32b6d7b667004e93d4c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T08:15:27+00:00",
      "cve": "CVE-2024-53237",
      "id": "CVE-2024-53237",
      "initial_release_date": "2024-12-27T00:00:00+00:00",
      "product_status:fixed": "305",
      "product_status:known_affected": "112",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: fix use-after-free in device_for_each_child()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-53237.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:48:05.216Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"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-2024-53237\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-11T15:43:02.570092Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-11T15:43:03.983Z\"}}], \"cna\": {\"title\": \"Bluetooth: fix use-after-free in device_for_each_child()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3c4236f1b2a715e878a06599fa8b0cc21f165d28\", \"lessThan\": \"6894717a1ea363c5a27010ba604f957c309d282d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"53d61daf35b1bbf3ae06e852ee107aa2f05b3776\", \"lessThan\": \"fb91ce37dc9a37ea23cf32b6d7b667004e93d4c5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"ba7088769800d9892a7e4f35c3137a5b3e65410b\", \"lessThan\": \"a9584c897d1cba6265c78010bbb45ca5722c88bc\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"87624b1f9b781549e69f92db7ede012a21cec275\", \"lessThan\": \"0f67ca2a80acf8b207240405b7f72d660665d3df\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"56a4fdde95ed98d864611155f6728983e199e198\", \"lessThan\": \"de5a44f351ca7efd9add9851b218f5353e2224b7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a85fb91e3d728bdfc80833167e8162cce8bc7004\", \"lessThan\": \"91e2a2e4d1336333804cd31162984f01ad8cc70f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a85fb91e3d728bdfc80833167e8162cce8bc7004\", \"lessThan\": \"7b277bd569bb6a2777f0014f84b4344f444fd49d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a85fb91e3d728bdfc80833167e8162cce8bc7004\", \"lessThan\": \"27aabf27fd014ae037cc179c61b0bee7cff55b3d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5c53afc766e07098429520b7677eaa164b593451\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"fc666d1b47518a18519241cae213de1babd4a4ba\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"5.4.262\", \"lessThan\": \"5.4.297\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.10.202\", \"lessThan\": \"5.10.231\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"5.15.140\", \"lessThan\": \"5.15.174\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.1.64\", \"lessThan\": \"6.1.120\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.6.3\", \"lessThan\": \"6.6.64\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"4.19.300\", \"lessThan\": \"4.20\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.5.13\", \"lessThan\": \"6.6\", \"versionType\": \"semver\"}], \"programFiles\": [\"net/bluetooth/hci_sysfs.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.297\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.231\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.174\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/bluetooth/hci_sysfs.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/6894717a1ea363c5a27010ba604f957c309d282d\"}, {\"url\": \"https://git.kernel.org/stable/c/fb91ce37dc9a37ea23cf32b6d7b667004e93d4c5\"}, {\"url\": \"https://git.kernel.org/stable/c/a9584c897d1cba6265c78010bbb45ca5722c88bc\"}, {\"url\": \"https://git.kernel.org/stable/c/0f67ca2a80acf8b207240405b7f72d660665d3df\"}, {\"url\": \"https://git.kernel.org/stable/c/de5a44f351ca7efd9add9851b218f5353e2224b7\"}, {\"url\": \"https://git.kernel.org/stable/c/91e2a2e4d1336333804cd31162984f01ad8cc70f\"}, {\"url\": \"https://git.kernel.org/stable/c/7b277bd569bb6a2777f0014f84b4344f444fd49d\"}, {\"url\": \"https://git.kernel.org/stable/c/27aabf27fd014ae037cc179c61b0bee7cff55b3d\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: fix use-after-free in device_for_each_child()\\n\\nSyzbot has reported the following KASAN splat:\\n\\nBUG: KASAN: slab-use-after-free in device_for_each_child+0x18f/0x1a0\\nRead of size 8 at addr ffff88801f605308 by task kbnepd bnep0/4980\\n\\nCPU: 0 UID: 0 PID: 4980 Comm: kbnepd bnep0 Not tainted 6.12.0-rc4-00161-gae90f6a6170d #1\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014\\nCall Trace:\\n \u003cTASK\u003e\\n dump_stack_lvl+0x100/0x190\\n ? device_for_each_child+0x18f/0x1a0\\n print_report+0x13a/0x4cb\\n ? __virt_addr_valid+0x5e/0x590\\n ? __phys_addr+0xc6/0x150\\n ? device_for_each_child+0x18f/0x1a0\\n kasan_report+0xda/0x110\\n ? device_for_each_child+0x18f/0x1a0\\n ? __pfx_dev_memalloc_noio+0x10/0x10\\n device_for_each_child+0x18f/0x1a0\\n ? __pfx_device_for_each_child+0x10/0x10\\n pm_runtime_set_memalloc_noio+0xf2/0x180\\n netdev_unregister_kobject+0x1ed/0x270\\n unregister_netdevice_many_notify+0x123c/0x1d80\\n ? __mutex_trylock_common+0xde/0x250\\n ? __pfx_unregister_netdevice_many_notify+0x10/0x10\\n ? trace_contention_end+0xe6/0x140\\n ? __mutex_lock+0x4e7/0x8f0\\n ? __pfx_lock_acquire.part.0+0x10/0x10\\n ? rcu_is_watching+0x12/0xc0\\n ? unregister_netdev+0x12/0x30\\n unregister_netdevice_queue+0x30d/0x3f0\\n ? __pfx_unregister_netdevice_queue+0x10/0x10\\n ? __pfx_down_write+0x10/0x10\\n unregister_netdev+0x1c/0x30\\n bnep_session+0x1fb3/0x2ab0\\n ? __pfx_bnep_session+0x10/0x10\\n ? __pfx_lock_release+0x10/0x10\\n ? __pfx_woken_wake_function+0x10/0x10\\n ? __kthread_parkme+0x132/0x200\\n ? __pfx_bnep_session+0x10/0x10\\n ? kthread+0x13a/0x370\\n ? __pfx_bnep_session+0x10/0x10\\n kthread+0x2b7/0x370\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork+0x48/0x80\\n ? __pfx_kthread+0x10/0x10\\n ret_from_fork_asm+0x1a/0x30\\n \u003c/TASK\u003e\\n\\nAllocated by task 4974:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n __kasan_kmalloc+0xaa/0xb0\\n __kmalloc_noprof+0x1d1/0x440\\n hci_alloc_dev_priv+0x1d/0x2820\\n __vhci_create_device+0xef/0x7d0\\n vhci_write+0x2c7/0x480\\n vfs_write+0x6a0/0xfc0\\n ksys_write+0x12f/0x260\\n do_syscall_64+0xc7/0x250\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nFreed by task 4979:\\n kasan_save_stack+0x30/0x50\\n kasan_save_track+0x14/0x30\\n kasan_save_free_info+0x3b/0x60\\n __kasan_slab_free+0x4f/0x70\\n kfree+0x141/0x490\\n hci_release_dev+0x4d9/0x600\\n bt_host_release+0x6a/0xb0\\n device_release+0xa4/0x240\\n kobject_put+0x1ec/0x5a0\\n put_device+0x1f/0x30\\n vhci_release+0x81/0xf0\\n __fput+0x3f6/0xb30\\n task_work_run+0x151/0x250\\n do_exit+0xa79/0x2c30\\n do_group_exit+0xd5/0x2a0\\n get_signal+0x1fcd/0x2210\\n arch_do_signal_or_restart+0x93/0x780\\n syscall_exit_to_user_mode+0x140/0x290\\n do_syscall_64+0xd4/0x250\\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n\\nIn \u0027hci_conn_del_sysfs()\u0027, \u0027device_unregister()\u0027 may be called when\\nan underlying (kobject) reference counter is greater than 1. This\\nmeans that reparenting (happened when the device is actually freed)\\nis delayed and, during that delay, parent controller device (hciX)\\nmay be deleted. Since the latter may create a dangling pointer to\\nfreed parent, avoid that scenario by reparenting to NULL explicitly.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.297\", \"versionStartIncluding\": \"5.4.262\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.231\", \"versionStartIncluding\": \"5.10.202\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.174\", \"versionStartIncluding\": \"5.15.140\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"6.1.64\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.64\", \"versionStartIncluding\": \"6.6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.11\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.2\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"4.19.300\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.5.13\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:55:30.598Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-53237\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:55:30.598Z\", \"dateReserved\": \"2024-11-19T17:17:25.026Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-12-27T13:50:23.150Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.