ghsa-p67w-5h3h-82g5
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: fix list double add in uvcg_video_pump
A panic can occur if the endpoint becomes disabled and the uvcg_video_pump adds the request back to the req_free list after it has already been queued to the endpoint. The endpoint complete will add the request back to the req_free list. Invalidate the local request handle once it's been queued.
<6>[ 246.796704][T13726] configfs-gadget gadget: uvc: uvc_function_set_alt(1, 0) <3>[ 246.797078][ T26] list_add double add: new=ffffff878bee5c40, prev=ffffff878bee5c40, next=ffffff878b0f0a90. <6>[ 246.797213][ T26] ------------[ cut here ]------------ <2>[ 246.797224][ T26] kernel BUG at lib/list_debug.c:31! <6>[ 246.807073][ T26] Call trace: <6>[ 246.807180][ T26] uvcg_video_pump+0x364/0x38c <6>[ 246.807366][ T26] process_one_work+0x2a4/0x544 <6>[ 246.807394][ T26] worker_thread+0x350/0x784 <6>[ 246.807442][ T26] kthread+0x2ac/0x320
{
"affected": [],
"aliases": [
"CVE-2022-49686"
],
"database_specific": {
"cwe_ids": [
"CWE-415"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-26T07:01:43Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: uvc: fix list double add in uvcg_video_pump\n\nA panic can occur if the endpoint becomes disabled and the\nuvcg_video_pump adds the request back to the req_free list after it has\nalready been queued to the endpoint. The endpoint complete will add the\nrequest back to the req_free list. Invalidate the local request handle\nonce it\u0027s been queued.\n\n\u003c6\u003e[ 246.796704][T13726] configfs-gadget gadget: uvc: uvc_function_set_alt(1, 0)\n\u003c3\u003e[ 246.797078][ T26] list_add double add: new=ffffff878bee5c40, prev=ffffff878bee5c40, next=ffffff878b0f0a90.\n\u003c6\u003e[ 246.797213][ T26] ------------[ cut here ]------------\n\u003c2\u003e[ 246.797224][ T26] kernel BUG at lib/list_debug.c:31!\n\u003c6\u003e[ 246.807073][ T26] Call trace:\n\u003c6\u003e[ 246.807180][ T26] uvcg_video_pump+0x364/0x38c\n\u003c6\u003e[ 246.807366][ T26] process_one_work+0x2a4/0x544\n\u003c6\u003e[ 246.807394][ T26] worker_thread+0x350/0x784\n\u003c6\u003e[ 246.807442][ T26] kthread+0x2ac/0x320",
"id": "GHSA-p67w-5h3h-82g5",
"modified": "2025-10-24T18:30:56Z",
"published": "2025-10-24T18:30:56Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49686"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/96163f835e65f8c9897487fac965819f0651d671"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d95ac8b920de1d39525fadc408ce675697626ca6"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.