fkie_cve-2024-42085
Vulnerability from fkie_nvd
Published
2024-07-29 17:15
Modified
2024-11-21 09:33
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
usb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock
When config CONFIG_USB_DWC3_DUAL_ROLE is selected, and trigger system
to enter suspend status with below command:
echo mem > /sys/power/state
There will be a deadlock issue occurring. Detailed invoking path as
below:
dwc3_suspend_common()
spin_lock_irqsave(&dwc->lock, flags); <-- 1st
dwc3_gadget_suspend(dwc);
dwc3_gadget_soft_disconnect(dwc);
spin_lock_irqsave(&dwc->lock, flags); <-- 2nd
This issue is exposed by commit c7ebd8149ee5 ("usb: dwc3: gadget: Fix
NULL pointer dereference in dwc3_gadget_suspend") that removes the code
of checking whether dwc->gadget_driver is NULL or not. It causes the
following code is executed and deadlock occurs when trying to get the
spinlock. In fact, the root cause is the commit 5265397f9442("usb: dwc3:
Remove DWC3 locking during gadget suspend/resume") that forgot to remove
the lock of otg mode. So, remove the redundant lock of otg mode during
gadget suspend/resume.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5A988B11-BA39-41F4-8760-5E0DD55938A5",
"versionEndExcluding": "5.15.162",
"versionStartIncluding": "5.15.128",
"vulnerable": true
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{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D6EFEE97-4CE8-4BE7-8CAF-B3004753F1CC",
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{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.9.8",
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}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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. Por lo tanto, elimine el bloqueo redundante del modo otg durante la suspensi\u00f3n/reanudaci\u00f3n del dispositivo."
}
],
"id": "CVE-2024-42085",
"lastModified": "2024-11-21T09:33:33.950",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"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"
}
]
},
"published": "2024-07-29T17:15:11.240",
"references": [
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/17e2956633ca560b95f1cbbb297cfc2adf650649"
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"url": "https://git.kernel.org/stable/c/17e2956633ca560b95f1cbbb297cfc2adf650649"
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{
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{
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],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-667"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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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.