{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "63978ab3e3e963db28093b53bb4598f2702e1ad7"
            },
            {
              "fixed": "e02897c5b041c9b980055fa9a6167023d6dc5caf"
            },
            {
              "fixed": "aae1498c59f48d03ee358df84f07a5af9885f827"
            },
            {
              "fixed": "66d9c2ed081f299cfb201d9e9c4faf920e56e0bf"
            },
            {
              "fixed": "6162e8212e88c39492d981b248b5e37002486c66"
            },
            {
              "fixed": "593dd7e6c890d8e4ca21b3e2f796b7cb8e8da983"
            },
            {
              "fixed": "0ff2b713f406e9ecadb406014d74e7a020ac12b1"
            },
            {
              "fixed": "f1862dbf09080254c52175a448290c784dd7d3de"
            },
            {
              "fixed": "d1f73f169c1014463b5060e3f60813e13ddc7b87"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.34"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.88"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.30"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46184.json"
  },
  "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": "CVE-2026-46184",
  "modified": "2026-07-08T05:39:18.724208962Z",
  "published": "2026-05-28T09:36:38.134Z",
  "references": [
    {
      "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/66d9c2ed081f299cfb201d9e9c4faf920e56e0bf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aae1498c59f48d03ee358df84f07a5af9885f827"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1f73f169c1014463b5060e3f60813e13ddc7b87"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e02897c5b041c9b980055fa9a6167023d6dc5caf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1862dbf09080254c52175a448290c784dd7d3de"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46184.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46184"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "sound: ua101: fix division by zero at probe"
}