{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsound: ua101: fix division by zero at probe\n\nAdd a missing sanity check for bNrChannels in detect_usb_format()\nto prevent a division by zero in playback_urb_complete() and\ncapture_urb_complete().\n\nUSB core does not validate class-specific descriptor fields such\nas bNrChannels, so drivers must verify them before use. If a\ndevice provides bNrChannels = 0, frame_bytes becomes zero and is\nlater used as a divisor in the URB completion handlers, leading\nto a kernel crash."
    }
  ],
  "id": "CVE-2026-46184",
  "lastModified": "2026-05-28T13:44:01.663",
  "metrics": {},
  "published": "2026-05-28T10:16:34.023",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2026-46184"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:34Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsound: ua101: fix division by zero at probe\n\nAdd a missing sanity check for bNrChannels in detect_usb_format()\nto prevent a division by zero in playback_urb_complete() and\ncapture_urb_complete().\n\nUSB core does not validate class-specific descriptor fields such\nas bNrChannels, so drivers must verify them before use. If a\ndevice provides bNrChannels = 0, frame_bytes becomes zero and is\nlater used as a divisor in the URB completion handlers, leading\nto a kernel crash.",
  "id": "GHSA-42xg-w685-8874",
  "modified": "2026-05-28T12:30:32Z",
  "published": "2026-05-28T12:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46184"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0ff2b713f406e9ecadb406014d74e7a020ac12b1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6162e8212e88c39492d981b248b5e37002486c66"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

{
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        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
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    ],
    "title": "sound: ua101: fix division by zero at probe",
    "tracking": {
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      "revision_history": [
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      "notes": [
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          "title": "Assigning CNA"
        }
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}