cve-2024-42085
Vulnerability from cvelistv5
Published
2024-07-29 16:26
Modified
2024-11-05 09:37
Severity ?
Summary
usb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/17e2956633ca560b95f1cbbb297cfc2adf650649Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7026576e89094aa9a0062aa6d10cba18aa99944cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7838de15bb700c2898a7d741db9b1f3cbc86c136Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d77e2b5104c51d3668b9717c825a4a06998efe63Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f1274cfab183e69a7c7bafffcb4f50703c876276Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/17e2956633ca560b95f1cbbb297cfc2adf650649Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7026576e89094aa9a0062aa6d10cba18aa99944cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7838de15bb700c2898a7d741db9b1f3cbc86c136Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d77e2b5104c51d3668b9717c825a4a06998efe63Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f1274cfab183e69a7c7bafffcb4f50703c876276Patch
Impacted products
Vendor Product Version
Linux Linux Version: 6.1
Show details on NVD website

To clipboard 

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock\n\nWhen config CONFIG_USB_DWC3_DUAL_ROLE is selected, and trigger system\nto enter suspend status with below command:\necho mem \u003e /sys/power/state\nThere will be a deadlock issue occurring. Detailed invoking path as\nbelow:\ndwc3_suspend_common()\n    spin_lock_irqsave(\u0026dwc-\u003elock, flags);              \u003c-- 1st\n    dwc3_gadget_suspend(dwc);\n        dwc3_gadget_soft_disconnect(dwc);\n            spin_lock_irqsave(\u0026dwc-\u003elock, flags);      \u003c-- 2nd\nThis issue is exposed by commit c7ebd8149ee5 (\"usb: dwc3: gadget: Fix\nNULL pointer dereference in dwc3_gadget_suspend\") that removes the code\nof checking whether dwc-\u003egadget_driver is NULL or not. It causes the\nfollowing code is executed and deadlock occurs when trying to get the\nspinlock. In fact, the root cause is the commit 5265397f9442(\"usb: dwc3:\nRemove DWC3 locking during gadget suspend/resume\") that forgot to remove\nthe lock of otg mode. So, remove the redundant lock of otg mode during\ngadget suspend/resume."
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    "dateReserved": "2024-07-29T15:50:41.170Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42085\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T17:15:11.240\",\"lastModified\":\"2024-11-21T09:33:33.950\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock\\n\\nWhen config CONFIG_USB_DWC3_DUAL_ROLE is selected, and trigger system\\nto enter suspend status with below command:\\necho mem \u003e /sys/power/state\\nThere will be a deadlock issue occurring. Detailed invoking path as\\nbelow:\\ndwc3_suspend_common()\\n    spin_lock_irqsave(\u0026dwc-\u003elock, flags);              \u003c-- 1st\\n    dwc3_gadget_suspend(dwc);\\n        dwc3_gadget_soft_disconnect(dwc);\\n            spin_lock_irqsave(\u0026dwc-\u003elock, flags);      \u003c-- 2nd\\nThis issue is exposed by commit c7ebd8149ee5 (\\\"usb: dwc3: gadget: Fix\\nNULL pointer dereference in dwc3_gadget_suspend\\\") that removes the code\\nof checking whether dwc-\u003egadget_driver is NULL or not. It causes the\\nfollowing code is executed and deadlock occurs when trying to get the\\nspinlock. In fact, the root cause is the commit 5265397f9442(\\\"usb: dwc3:\\nRemove DWC3 locking during gadget suspend/resume\\\") that forgot to remove\\nthe lock of otg mode. So, remove the redundant lock of otg mode during\\ngadget suspend/resume.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: dwc3: core: elimina el bloqueo del modo otg durante la suspensi\u00f3n/reanudaci\u00f3n del dispositivo para evitar un punto muerto Cuando se selecciona config CONFIG_USB_DWC3_DUAL_ROLE y activa el sistema para que entre en estado de suspensi\u00f3n con el siguiente comando: echo mem \u0026gt; /sys/power/state Se producir\u00e1 un problema de interbloqueo. Ruta de invocaci\u00f3n detallada como se muestra a continuaci\u00f3n: dwc3_suspend_common() spin_lock_irqsave(\u0026amp;dwc-\u0026gt;lock, flags); \u0026lt;-- 1er dwc3_gadget_suspend(dwc); dwc3_gadget_soft_disconnect(dwc); spin_lock_irqsave(\u0026amp;dwc-\u0026gt;bloquear, banderas); \u0026lt;-- 2.\u00ba Este problema se expone mediante la confirmaci\u00f3n c7ebd8149ee5 (\\\"usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend\\\") que elimina el c\u00f3digo para verificar si dwc-\u0026gt;gadget_driver es NULL o no. Hace que se ejecute el siguiente c\u00f3digo y se produzca un punto muerto al intentar obtener el bloqueo de giro. De hecho, la causa principal es la confirmaci\u00f3n 5265397f9442(\\\"usb: dwc3: Eliminar el bloqueo de DWC3 durante la suspensi\u00f3n/reanudaci\u00f3n del dispositivo\\\") que olvid\u00f3 eliminar el bloqueo del modo otg. 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  }
}


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