CVE-2022-48826 (GCVE-0-2022-48826)

Vulnerability from cvelistv5 – Published: 2024-07-16 11:44 – Updated: 2026-05-11 18:47
VLAI
Title
drm/vc4: Fix deadlock on DSI device attach error
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix deadlock on DSI device attach error DSI device attach to DSI host will be done with host device's lock held. Un-registering host in "device attach" error path (ex: probe retry) will result in deadlock with below call trace and non operational DSI display. Startup Call trace: [ 35.043036] rt_mutex_slowlock.constprop.21+0x184/0x1b8 [ 35.043048] mutex_lock_nested+0x7c/0xc8 [ 35.043060] device_del+0x4c/0x3e8 [ 35.043075] device_unregister+0x20/0x40 [ 35.043082] mipi_dsi_remove_device_fn+0x18/0x28 [ 35.043093] device_for_each_child+0x68/0xb0 [ 35.043105] mipi_dsi_host_unregister+0x40/0x90 [ 35.043115] vc4_dsi_host_attach+0xf0/0x120 [vc4] [ 35.043199] mipi_dsi_attach+0x30/0x48 [ 35.043209] tc358762_probe+0x128/0x164 [tc358762] [ 35.043225] mipi_dsi_drv_probe+0x28/0x38 [ 35.043234] really_probe+0xc0/0x318 [ 35.043244] __driver_probe_device+0x80/0xe8 [ 35.043254] driver_probe_device+0xb8/0x118 [ 35.043263] __device_attach_driver+0x98/0xe8 [ 35.043273] bus_for_each_drv+0x84/0xd8 [ 35.043281] __device_attach+0xf0/0x150 [ 35.043290] device_initial_probe+0x1c/0x28 [ 35.043300] bus_probe_device+0xa4/0xb0 [ 35.043308] deferred_probe_work_func+0xa0/0xe0 [ 35.043318] process_one_work+0x254/0x700 [ 35.043330] worker_thread+0x4c/0x448 [ 35.043339] kthread+0x19c/0x1a8 [ 35.043348] ret_from_fork+0x10/0x20 Shutdown Call trace: [ 365.565417] Call trace: [ 365.565423] __switch_to+0x148/0x200 [ 365.565452] __schedule+0x340/0x9c8 [ 365.565467] schedule+0x48/0x110 [ 365.565479] schedule_timeout+0x3b0/0x448 [ 365.565496] wait_for_completion+0xac/0x138 [ 365.565509] __flush_work+0x218/0x4e0 [ 365.565523] flush_work+0x1c/0x28 [ 365.565536] wait_for_device_probe+0x68/0x158 [ 365.565550] device_shutdown+0x24/0x348 [ 365.565561] kernel_restart_prepare+0x40/0x50 [ 365.565578] kernel_restart+0x20/0x70 [ 365.565591] __do_sys_reboot+0x10c/0x220 [ 365.565605] __arm64_sys_reboot+0x2c/0x38 [ 365.565619] invoke_syscall+0x4c/0x110 [ 365.565634] el0_svc_common.constprop.3+0xfc/0x120 [ 365.565648] do_el0_svc+0x2c/0x90 [ 365.565661] el0_svc+0x4c/0xf0 [ 365.565671] el0t_64_sync_handler+0x90/0xb8 [ 365.565682] el0t_64_sync+0x180/0x184
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:57 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6971 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 37b254f11115e1c665f78a4e94237c616c99d324 , < 770d1ba9a8201ce9bee0946eb03746449b6f3b80 (git)
Affected: 37b254f11115e1c665f78a4e94237c616c99d324 , < dddd832f35096fbc5004e3a7e58fb4d2cefb8deb (git)
Affected: 37b254f11115e1c665f78a4e94237c616c99d324 , < 0a3d12ab5097b1d045e693412e6b366b7e82031b (git)
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Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.24 , ≤ 5.15.* (semver)
Unaffected: 5.16.10 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Fix deadlock on DSI device attach error\n\nDSI device attach to DSI host will be done with host device\u0027s lock\nheld.\n\nUn-registering host in \"device attach\" error path (ex: probe retry)\nwill result in deadlock with below call trace and non operational\nDSI display.\n\nStartup Call trace:\n[   35.043036]  rt_mutex_slowlock.constprop.21+0x184/0x1b8\n[   35.043048]  mutex_lock_nested+0x7c/0xc8\n[   35.043060]  device_del+0x4c/0x3e8\n[   35.043075]  device_unregister+0x20/0x40\n[   35.043082]  mipi_dsi_remove_device_fn+0x18/0x28\n[   35.043093]  device_for_each_child+0x68/0xb0\n[   35.043105]  mipi_dsi_host_unregister+0x40/0x90\n[   35.043115]  vc4_dsi_host_attach+0xf0/0x120 [vc4]\n[   35.043199]  mipi_dsi_attach+0x30/0x48\n[   35.043209]  tc358762_probe+0x128/0x164 [tc358762]\n[   35.043225]  mipi_dsi_drv_probe+0x28/0x38\n[   35.043234]  really_probe+0xc0/0x318\n[   35.043244]  __driver_probe_device+0x80/0xe8\n[   35.043254]  driver_probe_device+0xb8/0x118\n[   35.043263]  __device_attach_driver+0x98/0xe8\n[   35.043273]  bus_for_each_drv+0x84/0xd8\n[   35.043281]  __device_attach+0xf0/0x150\n[   35.043290]  device_initial_probe+0x1c/0x28\n[   35.043300]  bus_probe_device+0xa4/0xb0\n[   35.043308]  deferred_probe_work_func+0xa0/0xe0\n[   35.043318]  process_one_work+0x254/0x700\n[   35.043330]  worker_thread+0x4c/0x448\n[   35.043339]  kthread+0x19c/0x1a8\n[   35.043348]  ret_from_fork+0x10/0x20\n\nShutdown Call trace:\n[  365.565417] Call trace:\n[  365.565423]  __switch_to+0x148/0x200\n[  365.565452]  __schedule+0x340/0x9c8\n[  365.565467]  schedule+0x48/0x110\n[  365.565479]  schedule_timeout+0x3b0/0x448\n[  365.565496]  wait_for_completion+0xac/0x138\n[  365.565509]  __flush_work+0x218/0x4e0\n[  365.565523]  flush_work+0x1c/0x28\n[  365.565536]  wait_for_device_probe+0x68/0x158\n[  365.565550]  device_shutdown+0x24/0x348\n[  365.565561]  kernel_restart_prepare+0x40/0x50\n[  365.565578]  kernel_restart+0x20/0x70\n[  365.565591]  __do_sys_reboot+0x10c/0x220\n[  365.565605]  __arm64_sys_reboot+0x2c/0x38\n[  365.565619]  invoke_syscall+0x4c/0x110\n[  365.565634]  el0_svc_common.constprop.3+0xfc/0x120\n[  365.565648]  do_el0_svc+0x2c/0x90\n[  365.565661]  el0_svc+0x4c/0xf0\n[  365.565671]  el0t_64_sync_handler+0x90/0xb8\n[  365.565682]  el0t_64_sync+0x180/0x184"
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          "lang": "es",
          "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/vc4: se corrige el punto muerto en el error de conexi\u00f3n del dispositivo DSI. La conexi\u00f3n del dispositivo DSI al host DSI se realizar\u00e1 con el bloqueo del dispositivo host retenido. Cancelar el registro del host en la ruta de error \"conexi\u00f3n de dispositivo\" (por ejemplo, reintento de sonda) resultar\u00e1 en un punto muerto con un seguimiento de llamada inferior y una pantalla DSI no operativa. Seguimiento de llamadas de inicio: [35.043036] rt_mutex_slowlock.constprop.21+0x184/0x1b8 [35.043048] mutex_lock_nested+0x7c/0xc8 [35.043060] device_del+0x4c/0x3e8 [35.043075 dispositivo_unregister+0x20/ 0x40 [35.043082] mipi_dsi_remove_device_fn+0x18/0x28 [35.043093 ] dispositivo_para_cada_ni\u00f1o+0x68/0xb0 [ 35.043105] mipi_dsi_host_unregister+0x40/0x90 [ 35.043115] vc4_dsi_host_attach+0xf0/0x120 [vc4] [ 35.043199] mipi_dsi_attach+0x30/0x48 [ 35.043209] tc358762_probe+0x128/0x164 [tc358762] [ 35.043225] mipi_dsi_drv_probe+0x28 /0x38 [ 35.043234] very_probe+0xc0/0x318 [ 35.043244] __driver_probe_device+0x80/0xe8 [ 35.043254] driver_probe_device+0xb8/0x118 [ 35.043263] xe8 [ 35.043273] bus_for_each_drv+0x84/0xd8 [ 35.043281] __device_attach+0xf0/0x150 [ 35.043290] dispositivo_inicial_probe+0x1c/0x28 [ 35.043300] bus_probe_device+0xa4/0xb0 [ 35.043308] diferido_probe_work_func+0xa0/0xe0 [ 35.043318] proceso_one_work+0x254/0x700 [ 35.0 43330] hilo_trabajador+0x4c/0x448 [ 35.043339] kthread+0x19c/0x1a8 [ 35.043348 ] ret_from_fork+0x10/0x20 Apagado Rastreo de llamadas: [ 365.565417] Rastreo de llamadas: [ 365.565423] __switch_to+0x148/0x200 [ 365.565452] __schedule+0x340/0x9c8 [ 365.565467] 0x110 [365.565479] timeout_programado+0x3b0/0x448 [365.565496 ] wait_for_completion+0xac/0x138 [ 365.565509] __flush_work+0x218/0x4e0 [ 365.565523] flush_work+0x1c/0x28 [ 365.565536] wait_for_device_probe+0x68/0x158 [ 365.565550] _shutdown+0x24/0x348 [ 365.565561] kernel_restart_prepare+0x40/0x50 [ 365.565578] kernel_restart +0x20/0x70 [ 365.565591] __do_sys_reboot+0x10c/0x220 [ 365.565605] __arm64_sys_reboot+0x2c/0x38 [ 365.565619] invoke_syscall+0x4c/0x110 [ 365.56563 4] el0_svc_common.constprop.3+0xfc/0x120 [ 365.565648] do_el0_svc+0x2c/0x90 [ 365.565661 ] el0_svc+0x4c/0xf0 [ 365.565671] el0t_64_sync_handler+0x90/0xb8 [ 365.565682] el0t_64_sync+0x180/0x184"
        }
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      "id": "CVE-2022-48826",
      "lastModified": "2024-11-21T07:34:09.643",
      "metrics": {
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              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
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      "published": "2024-07-16T12:15:06.347",
      "references": [
        {
          "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
          "tags": [
            "Patch"
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          "url": "https://git.kernel.org/stable/c/0a3d12ab5097b1d045e693412e6b366b7e82031b"
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/vc4: se corrige el punto muerto en el error de conexi\u00f3n del dispositivo DSI. La conexi\u00f3n del dispositivo DSI al host DSI se realizar\u00e1 con el bloqueo del dispositivo host retenido. Cancelar el registro del host en la ruta de error \"conexi\u00f3n de dispositivo\" (por ejemplo, reintento de sonda) resultar\u00e1 en un punto muerto con un seguimiento de llamada inferior y una pantalla DSI no operativa. Seguimiento de llamadas de inicio: [35.043036] rt_mutex_slowlock.constprop.21+0x184/0x1b8 [35.043048] mutex_lock_nested+0x7c/0xc8 [35.043060] device_del+0x4c/0x3e8 [35.043075 dispositivo_unregister+0x20/ 0x40 [35.043082] mipi_dsi_remove_device_fn+0x18/0x28 [35.043093 ] dispositivo_para_cada_ni\u00f1o+0x68/0xb0 [ 35.043105] mipi_dsi_host_unregister+0x40/0x90 [ 35.043115] vc4_dsi_host_attach+0xf0/0x120 [vc4] [ 35.043199] mipi_dsi_attach+0x30/0x48 [ 35.043209] tc358762_probe+0x128/0x164 [tc358762] [ 35.043225] mipi_dsi_drv_probe+0x28 /0x38 [ 35.043234] very_probe+0xc0/0x318 [ 35.043244] __driver_probe_device+0x80/0xe8 [ 35.043254] driver_probe_device+0xb8/0x118 [ 35.043263] xe8 [ 35.043273] bus_for_each_drv+0x84/0xd8 [ 35.043281] __device_attach+0xf0/0x150 [ 35.043290] dispositivo_inicial_probe+0x1c/0x28 [ 35.043300] bus_probe_device+0xa4/0xb0 [ 35.043308] diferido_probe_work_func+0xa0/0xe0 [ 35.043318] proceso_one_work+0x254/0x700 [ 35.0 43330] hilo_trabajador+0x4c/0x448 [ 35.043339] kthread+0x19c/0x1a8 [ 35.043348 ] ret_from_fork+0x10/0x20 Apagado Rastreo de llamadas: [ 365.565417] Rastreo de llamadas: [ 365.565423] __switch_to+0x148/0x200 [ 365.565452] __schedule+0x340/0x9c8 [ 365.565467] 0x110 [365.565479] timeout_programado+0x3b0/0x448 [365.565496 ] wait_for_completion+0xac/0x138 [ 365.565509] __flush_work+0x218/0x4e0 [ 365.565523] flush_work+0x1c/0x28 [ 365.565536] wait_for_device_probe+0x68/0x158 [ 365.565550] _shutdown+0x24/0x348 [ 365.565561] kernel_restart_prepare+0x40/0x50 [ 365.565578] kernel_restart +0x20/0x70 [ 365.565591] __do_sys_reboot+0x10c/0x220 [ 365.565605] __arm64_sys_reboot+0x2c/0x38 [ 365.565619] invoke_syscall+0x4c/0x110 [ 365.56563 4] el0_svc_common.constprop.3+0xfc/0x120 [ 365.565648] do_el0_svc+0x2c/0x90 [ 365.565661 ] el0_svc+0x4c/0xf0 [ 365.565671] el0t_64_sync_handler+0x90/0xb8 [ 365.565682] el0t_64_sync+0x180/0x184"
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            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vc4: Fix deadlock on DSI device attach error\n\nDSI device attach to DSI host will be done with host device\u0027s lock\nheld.\n\nUn-registering host in \"device attach\" error path (ex: probe retry)\nwill result in deadlock with below call trace and non operational\nDSI display.\n\nStartup Call trace:\n[   35.043036]  rt_mutex_slowlock.constprop.21+0x184/0x1b8\n[   35.043048]  mutex_lock_nested+0x7c/0xc8\n[   35.043060]  device_del+0x4c/0x3e8\n[   35.043075]  device_unregister+0x20/0x40\n[   35.043082]  mipi_dsi_remove_device_fn+0x18/0x28\n[   35.043093]  device_for_each_child+0x68/0xb0\n[   35.043105]  mipi_dsi_host_unregister+0x40/0x90\n[   35.043115]  vc4_dsi_host_attach+0xf0/0x120 [vc4]\n[   35.043199]  mipi_dsi_attach+0x30/0x48\n[   35.043209]  tc358762_probe+0x128/0x164 [tc358762]\n[   35.043225]  mipi_dsi_drv_probe+0x28/0x38\n[   35.043234]  really_probe+0xc0/0x318\n[   35.043244]  __driver_probe_device+0x80/0xe8\n[   35.043254]  driver_probe_device+0xb8/0x118\n[   35.043263]  __device_attach_driver+0x98/0xe8\n[   35.043273]  bus_for_each_drv+0x84/0xd8\n[   35.043281]  __device_attach+0xf0/0x150\n[   35.043290]  device_initial_probe+0x1c/0x28\n[   35.043300]  bus_probe_device+0xa4/0xb0\n[   35.043308]  deferred_probe_work_func+0xa0/0xe0\n[   35.043318]  process_one_work+0x254/0x700\n[   35.043330]  worker_thread+0x4c/0x448\n[   35.043339]  kthread+0x19c/0x1a8\n[   35.043348]  ret_from_fork+0x10/0x20\n\nShutdown Call trace:\n[  365.565417] Call trace:\n[  365.565423]  __switch_to+0x148/0x200\n[  365.565452]  __schedule+0x340/0x9c8\n[  365.565467]  schedule+0x48/0x110\n[  365.565479]  schedule_timeout+0x3b0/0x448\n[  365.565496]  wait_for_completion+0xac/0x138\n[  365.565509]  __flush_work+0x218/0x4e0\n[  365.565523]  flush_work+0x1c/0x28\n[  365.565536]  wait_for_device_probe+0x68/0x158\n[  365.565550]  device_shutdown+0x24/0x348\n[  365.565561]  kernel_restart_prepare+0x40/0x50\n[  365.565578]  kernel_restart+0x20/0x70\n[  365.565591]  __do_sys_reboot+0x10c/0x220\n[  365.565605]  __arm64_sys_reboot+0x2c/0x38\n[  365.565619]  invoke_syscall+0x4c/0x110\n[  365.565634]  el0_svc_common.constprop.3+0xfc/0x120\n[  365.565648]  do_el0_svc+0x2c/0x90\n[  365.565661]  el0_svc+0x4c/0xf0\n[  365.565671]  el0t_64_sync_handler+0x90/0xb8\n[  365.565682]  el0t_64_sync+0x180/0x184"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T18:47:53.400Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/770d1ba9a8201ce9bee0946eb03746449b6f3b80"
            },
            {
              "url": "https://git.kernel.org/stable/c/dddd832f35096fbc5004e3a7e58fb4d2cefb8deb"
            },
            {
              "url": "https://git.kernel.org/stable/c/0a3d12ab5097b1d045e693412e6b366b7e82031b"
            }
          ],
          "title": "drm/vc4: Fix deadlock on DSI device attach error",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-48826",
        "datePublished": "2024-07-16T11:44:11.349Z",
        "dateReserved": "2024-07-16T11:38:08.903Z",
        "dateUpdated": "2026-05-11T18:47:53.400Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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