CVE-2022-48826

{"id": "CVE-2022-48826", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-07-16T12:15:06.347", "references": [{"url": "https://git.kernel.org/stable/c/0a3d12ab5097b1d045e693412e6b366b7e82031b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/770d1ba9a8201ce9bee0946eb03746449b6f3b80", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dddd832f35096fbc5004e3a7e58fb4d2cefb8deb", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"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's 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"}, {"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"}], "lastModified": "2024-09-05T19:36:26.513", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9064E0A6-C05B-4161-9FB1-A2CC0F00A07A", "versionEndExcluding": "5.15.24"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "679523BA-1392-404B-AB85-F5A5408B1ECC", "versionEndExcluding": "5.16.10", "versionStartIncluding": "5.16"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}