USB: Gadget: core: Help prevent panic during UVC unconfigure

{
  "id": "4e3fe70384188ce972bf677d1a921ef3592963b9c4ab15473762529cae95e1ff",
  "url": "https://osv.dev/vulnerability/CVE-2023-53580",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "USB: Gadget: core: Help prevent panic during UVC unconfigure",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: core: Help prevent panic during UVC unconfigure Avichal Rakesh reported a kernel panic that occurred when the UVC gadget driver was removed from a gadget's configuration. The panic involves a somewhat complicated interaction between the kernel driver and a userspace component (as described in the Link tag below), but the analysis did make one thing clear: The Gadget core should accomodate gadget drivers calling usb_gadget_deactivate() as part of their unbind procedure. Currently this doesn't work. gadget_unbind_driver() calls driver->unbind() while holding the udc->connect_lock mutex, and usb_gadget_deactivate() attempts to acquire that mutex, which will result in a deadlock. The simple fix is for gadget_unbind_driver() to release the mutex when invoking the ->unbind() callback. There is no particular reason for it to be holding the mutex at that time, and the mutex isn't held while the ->bind() callback is invoked. So we'll drop the mutex before performing the unbind callback and reacquire it afterward. We'll also add a couple of comments to usb_gadget_activate() and usb_gadget_deactivate(). Because they run in process context they must not be called from a gadget driver's ->disconnect() callback, which (according to the kerneldoc for struct usb_gadget_driver in include/linux/usb/gadget.h) may run in interrupt context. This may help prevent similar bugs from arising in the future.",
    "evidence": "osv:CVE-2023-53580",
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    "severity": "high",
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      "aliases": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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      "modified": "2026-10-28T02:30:48.066543059Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/65dadb2beeb7360232b09ebc4585b54475dfee06",
        "https://git.kernel.org/stable/c/8c1edc00db65f6d4408b3d1cd845e8da3b9e0ca4",
        "https://git.kernel.org/stable/c/bed19d95fcb9c98dfaa9585922b39a2dfba7898d",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53580.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53580",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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  "source_id": "core-osv",
  "document_id": 515870,
  "published_at": "2025-10-04T15:43:57.064+00:00"
}