fkie_cve-2024-50150
Vulnerability from fkie_nvd
Published
2024-11-07 10:15
Modified
2024-11-22 17:29
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmode should keep reference to parent The altmode device release refers to its parent device, but without keeping a reference to it. When registering the altmode, get a reference to the parent and put it in the release function. Before this fix, when using CONFIG_DEBUG_KOBJECT_RELEASE, we see issues like this: [ 43.572860] kobject: 'port0.0' (ffff8880057ba008): kobject_release, parent 0000000000000000 (delayed 3000) [ 43.573532] kobject: 'port0.1' (ffff8880057bd008): kobject_release, parent 0000000000000000 (delayed 1000) [ 43.574407] kobject: 'port0' (ffff8880057b9008): kobject_release, parent 0000000000000000 (delayed 3000) [ 43.575059] kobject: 'port1.0' (ffff8880057ca008): kobject_release, parent 0000000000000000 (delayed 4000) [ 43.575908] kobject: 'port1.1' (ffff8880057c9008): kobject_release, parent 0000000000000000 (delayed 4000) [ 43.576908] kobject: 'typec' (ffff8880062dbc00): kobject_release, parent 0000000000000000 (delayed 4000) [ 43.577769] kobject: 'port1' (ffff8880057bf008): kobject_release, parent 0000000000000000 (delayed 3000) [ 46.612867] ================================================================== [ 46.613402] BUG: KASAN: slab-use-after-free in typec_altmode_release+0x38/0x129 [ 46.614003] Read of size 8 at addr ffff8880057b9118 by task kworker/2:1/48 [ 46.614538] [ 46.614668] CPU: 2 UID: 0 PID: 48 Comm: kworker/2:1 Not tainted 6.12.0-rc1-00138-gedbae730ad31 #535 [ 46.615391] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 [ 46.616042] Workqueue: events kobject_delayed_cleanup [ 46.616446] Call Trace: [ 46.616648] <TASK> [ 46.616820] dump_stack_lvl+0x5b/0x7c [ 46.617112] ? typec_altmode_release+0x38/0x129 [ 46.617470] print_report+0x14c/0x49e [ 46.617769] ? rcu_read_unlock_sched+0x56/0x69 [ 46.618117] ? __virt_addr_valid+0x19a/0x1ab [ 46.618456] ? kmem_cache_debug_flags+0xc/0x1d [ 46.618807] ? typec_altmode_release+0x38/0x129 [ 46.619161] kasan_report+0x8d/0xb4 [ 46.619447] ? typec_altmode_release+0x38/0x129 [ 46.619809] ? process_scheduled_works+0x3cb/0x85f [ 46.620185] typec_altmode_release+0x38/0x129 [ 46.620537] ? process_scheduled_works+0x3cb/0x85f [ 46.620907] device_release+0xaf/0xf2 [ 46.621206] kobject_delayed_cleanup+0x13b/0x17a [ 46.621584] process_scheduled_works+0x4f6/0x85f [ 46.621955] ? __pfx_process_scheduled_works+0x10/0x10 [ 46.622353] ? hlock_class+0x31/0x9a [ 46.622647] ? lock_acquired+0x361/0x3c3 [ 46.622956] ? move_linked_works+0x46/0x7d [ 46.623277] worker_thread+0x1ce/0x291 [ 46.623582] ? __kthread_parkme+0xc8/0xdf [ 46.623900] ? __pfx_worker_thread+0x10/0x10 [ 46.624236] kthread+0x17e/0x190 [ 46.624501] ? kthread+0xfb/0x190 [ 46.624756] ? __pfx_kthread+0x10/0x10 [ 46.625015] ret_from_fork+0x20/0x40 [ 46.625268] ? __pfx_kthread+0x10/0x10 [ 46.625532] ret_from_fork_asm+0x1a/0x30 [ 46.625805] </TASK> [ 46.625953] [ 46.626056] Allocated by task 678: [ 46.626287] kasan_save_stack+0x24/0x44 [ 46.626555] kasan_save_track+0x14/0x2d [ 46.626811] __kasan_kmalloc+0x3f/0x4d [ 46.627049] __kmalloc_noprof+0x1bf/0x1f0 [ 46.627362] typec_register_port+0x23/0x491 [ 46.627698] cros_typec_probe+0x634/0xbb6 [ 46.628026] platform_probe+0x47/0x8c [ 46.628311] really_probe+0x20a/0x47d [ 46.628605] device_driver_attach+0x39/0x72 [ 46.628940] bind_store+0x87/0xd7 [ 46.629213] kernfs_fop_write_iter+0x1aa/0x218 [ 46.629574] vfs_write+0x1d6/0x29b [ 46.629856] ksys_write+0xcd/0x13b [ 46.630128] do_syscall_64+0xd4/0x139 [ 46.630420] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 46.630820] [ 46.630946] Freed by task 48: [ 46.631182] kasan_save_stack+0x24/0x44 [ 46.631493] kasan_save_track+0x14/0x2d [ 46.631799] kasan_save_free_info+0x3f/0x4d [ 46.632144] __kasan_slab_free+0x37/0x45 [ 46.632474] ---truncated---
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1ded6b12499e6dee9b0e1ceac633be36538f6fc2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b0b33e8a58388fa9078f0fbe9af1900e6b08879Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c15c4133d00f5da632fce60ed013fc31aa9aa58Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68a7c7fe322546be1464174c8d85874b8161dedaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6af43ec3bf40f8b428d9134ffa7a291aecd60da8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87474406056891e4fdea0794e1f632b21b3dfa27Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bee1b68cb8bcee4fd3a8bde3a4886e0b1375dc4dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/befab3a278c59db0cc88c8799638064f6d3fd6f8Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.12
linux linux_kernel 6.12
linux linux_kernel 6.12


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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmode should keep reference to parent\n\nThe altmode device release refers to its parent device, but without keeping\na reference to it.\n\nWhen registering the altmode, get a reference to the parent and put it in\nthe release function.\n\nBefore this fix, when using CONFIG_DEBUG_KOBJECT_RELEASE, we see issues\nlike this:\n\n[   43.572860] kobject: \u0027port0.0\u0027 (ffff8880057ba008): kobject_release, parent 0000000000000000 (delayed 3000)\n[   43.573532] kobject: \u0027port0.1\u0027 (ffff8880057bd008): kobject_release, parent 0000000000000000 (delayed 1000)\n[   43.574407] kobject: \u0027port0\u0027 (ffff8880057b9008): kobject_release, parent 0000000000000000 (delayed 3000)\n[   43.575059] kobject: \u0027port1.0\u0027 (ffff8880057ca008): kobject_release, parent 0000000000000000 (delayed 4000)\n[   43.575908] kobject: \u0027port1.1\u0027 (ffff8880057c9008): kobject_release, parent 0000000000000000 (delayed 4000)\n[   43.576908] kobject: \u0027typec\u0027 (ffff8880062dbc00): kobject_release, parent 0000000000000000 (delayed 4000)\n[   43.577769] kobject: \u0027port1\u0027 (ffff8880057bf008): kobject_release, parent 0000000000000000 (delayed 3000)\n[   46.612867] ==================================================================\n[   46.613402] BUG: KASAN: slab-use-after-free in typec_altmode_release+0x38/0x129\n[   46.614003] Read of size 8 at addr ffff8880057b9118 by task kworker/2:1/48\n[   46.614538]\n[   46.614668] CPU: 2 UID: 0 PID: 48 Comm: kworker/2:1 Not tainted 6.12.0-rc1-00138-gedbae730ad31 #535\n[   46.615391] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014\n[   46.616042] Workqueue: events kobject_delayed_cleanup\n[   46.616446] Call Trace:\n[   46.616648]  \u003cTASK\u003e\n[   46.616820]  dump_stack_lvl+0x5b/0x7c\n[   46.617112]  ? typec_altmode_release+0x38/0x129\n[   46.617470]  print_report+0x14c/0x49e\n[   46.617769]  ? rcu_read_unlock_sched+0x56/0x69\n[   46.618117]  ? __virt_addr_valid+0x19a/0x1ab\n[   46.618456]  ? kmem_cache_debug_flags+0xc/0x1d\n[   46.618807]  ? typec_altmode_release+0x38/0x129\n[   46.619161]  kasan_report+0x8d/0xb4\n[   46.619447]  ? typec_altmode_release+0x38/0x129\n[   46.619809]  ? process_scheduled_works+0x3cb/0x85f\n[   46.620185]  typec_altmode_release+0x38/0x129\n[   46.620537]  ? process_scheduled_works+0x3cb/0x85f\n[   46.620907]  device_release+0xaf/0xf2\n[   46.621206]  kobject_delayed_cleanup+0x13b/0x17a\n[   46.621584]  process_scheduled_works+0x4f6/0x85f\n[   46.621955]  ? __pfx_process_scheduled_works+0x10/0x10\n[   46.622353]  ? hlock_class+0x31/0x9a\n[   46.622647]  ? lock_acquired+0x361/0x3c3\n[   46.622956]  ? move_linked_works+0x46/0x7d\n[   46.623277]  worker_thread+0x1ce/0x291\n[   46.623582]  ? __kthread_parkme+0xc8/0xdf\n[   46.623900]  ? __pfx_worker_thread+0x10/0x10\n[   46.624236]  kthread+0x17e/0x190\n[   46.624501]  ? kthread+0xfb/0x190\n[   46.624756]  ? __pfx_kthread+0x10/0x10\n[   46.625015]  ret_from_fork+0x20/0x40\n[   46.625268]  ? __pfx_kthread+0x10/0x10\n[   46.625532]  ret_from_fork_asm+0x1a/0x30\n[   46.625805]  \u003c/TASK\u003e\n[   46.625953]\n[   46.626056] Allocated by task 678:\n[   46.626287]  kasan_save_stack+0x24/0x44\n[   46.626555]  kasan_save_track+0x14/0x2d\n[   46.626811]  __kasan_kmalloc+0x3f/0x4d\n[   46.627049]  __kmalloc_noprof+0x1bf/0x1f0\n[   46.627362]  typec_register_port+0x23/0x491\n[   46.627698]  cros_typec_probe+0x634/0xbb6\n[   46.628026]  platform_probe+0x47/0x8c\n[   46.628311]  really_probe+0x20a/0x47d\n[   46.628605]  device_driver_attach+0x39/0x72\n[   46.628940]  bind_store+0x87/0xd7\n[   46.629213]  kernfs_fop_write_iter+0x1aa/0x218\n[   46.629574]  vfs_write+0x1d6/0x29b\n[   46.629856]  ksys_write+0xcd/0x13b\n[   46.630128]  do_syscall_64+0xd4/0x139\n[   46.630420]  entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[   46.630820]\n[   46.630946] Freed by task 48:\n[   46.631182]  kasan_save_stack+0x24/0x44\n[   46.631493]  kasan_save_track+0x14/0x2d\n[   46.631799]  kasan_save_free_info+0x3f/0x4d\n[   46.632144]  __kasan_slab_free+0x37/0x45\n[   46.632474]\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: typec: altmode deber\u00eda mantener la referencia al padre La versi\u00f3n del dispositivo altmode hace referencia a su dispositivo padre, pero sin mantener una referencia a \u00e9l. Al registrar el altmode, se obtiene una referencia al padre y se coloca en la funci\u00f3n de lanzamiento. Antes de esta correcci\u00f3n, al usar CONFIG_DEBUG_KOBJECT_RELEASE, vemos problemas como este: [ 43.572860] kobject: \u0027port0.0\u0027 (ffff8880057ba008): kobject_release, parent 000000000000000 (delayed 3000) [ 43.573532] kobject: \u0027port0.1\u0027 (ffff8880057bd008): kobject_release, parent 000000000000000 (delayed 1000) [ 43.574407] kobject: \u0027port0\u0027 (ffff8880057b9008): kobject_release, parent 0000000000000000 (delayed 3000) [ 43.575059] kobject: \u0027port1.0\u0027 (ffff8880057ca008): kobject_release, padre 0000000000000000 (retrasado 4000) [ 43.575908] kobject: \u0027port1.1\u0027 (ffff8880057c9008): kobject_release, padre 0000000000000000 (retrasado 4000) [ 43.576908] kobject: \u0027typec\u0027 (ffff8880062dbc00): kobject_release, padre 000000000000000 (retrasado 4000) [ 43.577769] kobject: \u0027port1\u0027 (ffff8880057bf008): kobject_release, padre 0000000000000000 (retrasado 3000) [ 46.612867] ======================================================================= [ 46.613402] ERROR: KASAN: slab-use-after-free en typec_altmode_release+0x38/0x129 [ 46.614003] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff8880057b9118 por la tarea kworker/2:1/48 [ 46.614538] [ 46.614668] CPU: 2 UID: 0 PID: 48 Comm: kworker/2:1 No contaminado 6.12.0-rc1-00138-gedbae730ad31 #535 [ 46.615391] Nombre del hardware: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.15.0-1 04/01/2014 [ 46.616042] Cola de trabajo: eventos kobject_delayed_cleanup [ 46.616446] Seguimiento de llamadas: [ 46.616648]  [ 46.616820] dump_stack_lvl+0x5b/0x7c [ 46.617112] ? kmem_cache_debug_flags+0xc/0x1d [ 46.618807] ? typec_altmode_release+0x38/0x129 [ 46.619161] kasan_report+0x8d/0xb4 [ 46.619447] ? proceso_trabajo_programado+0x3cb/0x85f [ 46.620185] tipoc_modo_alt_release+0x38/0x129 [ 46.620537] ? proceso_trabajo_programado+0x3cb/0x85f [ 46.620907] dispositivo_release+0xaf/0xf2 [ 46.621206] limpieza_retrasada_de_objetos+0x13b/0x17a [ 46.621584] proceso_trabajo_programado+0x4f6/0x85f [ 46.621955] ? __pfx_process_scheduled_works+0x10/0x10 [ 46.622353] ? hlock_class+0x31/0x9a [ 46.622647] ? lock_acquired+0x361/0x3c3 [ 46.622956] ? move_linked_works+0x46/0x7d [ 46.623277] subproceso de trabajo+0x1ce/0x291 [ 46.623582] ? __kthread_parkme+0xc8/0xdf [ 46.623900] ? __pfx_worker_thread+0x10/0x10 [ 46.624236] kthread+0x17e/0x190 [ 46.624501] ? kthread+0xfb/0x190 [ 46.624756] ? __pfx_kthread+0x10/0x10 [ 46.625015] ret_from_fork+0x20/0x40 [ 46.625268] ? __pfx_kthread+0x10/0x10 [ 46.625532] ret_from_fork_asm+0x1a/0x30 [ 46.625805]  [ 46.625953] [ 46.626056] Asignado por la tarea 678: [ 46.626287] kasan_save_stack+0x24/0x44 [ 46.626555] kasan_save_track+0x14/0x2d [ 46.626811] __kasan_kmalloc+0x3f/0x4d [ 46.627049] __kmalloc_noprof+0x1bf/0x1f0 [ 46.627362] typec_register_port+0x23/0x491 [ 46.627698] cros_typec_probe+0x634/0xbb6 [ 46.628026] platform_probe+0x47/0x8c [ 46.628311] really_probe+0x20a/0x47d [ 46.628605] device_driver_attach+0x39/0x72 [ 46.628940] bind_store+0x87/0xd7 [ 46.629213] kernfs_fop_write_iter+0x1aa/0x218 [ 46.629574] vfs_write+0x1d6/0x29b [ 46.629856] ksys_write+0xcd/0x13b [ 46.630128] do_syscall_64+0xd4/0x139 [ 46.630420] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 46.630820] [ 46.630946] Liberado por la tarea 48: [ 46.631182] kasan_save_stack+0x24/0x44 [ 46.631493] kasan_save_track+0x14/0x2d [ 46.631799] kasan_save_free_info+0x3f/0x4d [ 46.632144] __kasan_slab_free+0x37/0x45 [ 46.632474] ---truncado---"
    }
  ],
  "id": "CVE-2024-50150",
  "lastModified": "2024-11-22T17:29:00.880",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-11-07T10:15:06.707",
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/befab3a278c59db0cc88c8799638064f6d3fd6f8"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.