Vulnerability-Lookup

FKIE_CVE-2023-53580

Vulnerability from fkie_nvd - Published: 2025-10-04 16:15 - Updated: 2026-08-04 10:19

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/65dadb2beeb7360232b09ebc4585b54475dfee06	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8c1edc00db65f6d4408b3d1cd845e8da3b9e0ca4	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bed19d95fcb9c98dfaa9585922b39a2dfba7898d	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.4
linux	linux_kernel	6.4
linux	linux_kernel	6.5
linux	linux_kernel	6.5
linux	linux_kernel	6.5
linux	linux_kernel	6.5
linux	linux_kernel	6.5

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/gadget/udc/core.c"
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: Gadget: core: Help prevent panic during UVC unconfigure\n\nAvichal Rakesh reported a kernel panic that occurred when the UVC\ngadget driver was removed from a gadget\u0027s configuration.  The panic\ninvolves a somewhat complicated interaction between the kernel driver\nand a userspace component (as described in the Link tag below), but\nthe analysis did make one thing clear: The Gadget core should\naccomodate gadget drivers calling usb_gadget_deactivate() as part of\ntheir unbind procedure.\n\nCurrently this doesn\u0027t work.  gadget_unbind_driver() calls\ndriver-\u003eunbind() while holding the udc-\u003econnect_lock mutex, and\nusb_gadget_deactivate() attempts to acquire that mutex, which will\nresult in a deadlock.\n\nThe simple fix is for gadget_unbind_driver() to release the mutex when\ninvoking the -\u003eunbind() callback.  There is no particular reason for\nit to be holding the mutex at that time, and the mutex isn\u0027t held\nwhile the -\u003ebind() callback is invoked.  So we\u0027ll drop the mutex\nbefore performing the unbind callback and reacquire it afterward.\n\nWe\u0027ll also add a couple of comments to usb_gadget_activate() and\nusb_gadget_deactivate().  Because they run in process context they\nmust not be called from a gadget driver\u0027s -\u003edisconnect() callback,\nwhich (according to the kerneldoc for struct usb_gadget_driver in\ninclude/linux/usb/gadget.h) may run in interrupt context.  This may\nhelp prevent similar bugs from arising in the future."
    }
  ],
  "id": "CVE-2023-53580",
  "lastModified": "2026-08-04T10:19:13.120",
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          "attackVector": "LOCAL",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
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        "type": "Secondary"
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          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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        "source": "nvd@nist.gov",
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  "published": "2025-10-04T16:15:53.713",
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  "vulnStatus": "Modified",
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}

CVE-2023-53580 (GCVE-0-2023-53580)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:43 – Updated: 2026-08-05 09:14

Title

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

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6843 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/bed19d95fcb9c98df…
https://git.kernel.org/stable/c/8c1edc00db65f6d44…
https://git.kernel.org/stable/c/65dadb2beeb736023…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d8195536ce2624e2947d9f56b1a61e7a27874bd3 , < bed19d95fcb9c98dfaa9585922b39a2dfba7898d (git) Affected: 286d9975a838d0a54da049765fa1d1fb96b89682 , < 8c1edc00db65f6d4408b3d1cd845e8da3b9e0ca4 (git) Affected: 286d9975a838d0a54da049765fa1d1fb96b89682 , < 65dadb2beeb7360232b09ebc4585b54475dfee06 (git) Affected: 85102a45c7390caf124a3a5796574446f1e037b9 (git) Affected: 6.1.35 , < 6.1.46 (semver) Affected: 6.3.9 , < 6.4 (semver)
Linux	Linux	Affected: 6.4 Unaffected: 0 , < 6.4 (semver) Unaffected: 6.1.46 , ≤ 6.1.* (semver) Unaffected: 6.4.11 , ≤ 6.4.* (semver) Unaffected: 6.5 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/gadget/udc/core.c"
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            {
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            {
              "lang": "en",
              "value": "AV:L - Both halves of the bug are reached through local interfaces \u2014 V4L2 file operations on the UVC gadget\u0027s `/dev/videoX` node and gadget (re)configuration via configfs/driver model \u2014 not through USB bus traffic from a host or over a network.\nAC:L - The attacker controls one side of the race entirely (when to open/subscribe/close the V4L2 handle) and gets an explicit signal plus a ~1.5 s window (device-removal uevent followed by `uvc_function_unbind()`\u0027s 500 ms + 1000 ms timeouts), so the deadlock and subsequent use-after-free can be hit reliably and repeatedly.\nPR:L - An unprivileged local user with access to the UVC gadget video node (commonly group `video` on embedded, kiosk, and Android-derived devices) can hold the handle open and subscribed, which is all that is needed to turn gadget teardown into a deadlock and use-after-free; no root or capability is required on the attacking side.\nUI:N - Gadget unbind is driven by routine system events on affected devices (USB mode/role switches, cable-driven reconfiguration by system daemons, dwc3 DRD role change), not by a deliberate action of a separate victim user.\nS:U - The deadlock and the resulting use-after-free are confined to the kernel of the affected system; no VM, IOMMU, or other security-authority boundary is crossed.\nC:H - After the deadlock breaks, the release path operates on a destroyed workqueue and freed endpoint/request/descriptor objects; a local attacker who reclaims those allocations during the long, attacker-observable window obtains a kernel-memory read primitive.\nI:H - The same use-after-free \u2014 `cancel_work_sync()`/`queue_work()` on a freed `async_wq` and `usb_ep_dequeue()` on torn-down endpoints \u2014 dereferences attacker-groomable heap contents including function pointers, giving a write/control-flow-hijack primitive.\nA:H - The reported outcome is a kernel panic during UVC unconfigure, and the direct-call variant self-deadlocks on `udc-\u003econnect_lock` in uninterruptible state, permanently wedging the task and the entire USB gadget subsystem."
            }
          ]
        }
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      "providerMetadata": {
        "dateUpdated": "2026-08-05T09:14:56.489Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        },
        {
          "url": "https://git.kernel.org/stable/c/65dadb2beeb7360232b09ebc4585b54475dfee06"
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      "title": "USB: Gadget: core: Help prevent panic during UVC unconfigure",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53580",
    "datePublished": "2025-10-04T15:43:57.064Z",
    "dateReserved": "2025-10-04T15:14:15.926Z",
    "dateUpdated": "2026-08-05T09:14:56.489Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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