{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-46146",
  "modified": "2026-10-07T14:35:31Z",
  "upstream": [
    "CVE-2026-46146"
  ],
  "published": "2026-05-28T09:36:53Z",
  "summary": "ALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Avoid potential endless loop in convert_chmap_v3()\n\nThe convert_chmap_v3() has a loop with its increment size of\ncs_desc->wLength, but we forgot to validate cs_desc->wLength itself,\nwhich may lead to potential endless loop by a malformed descriptor.\n\nAdd a proper size check to abort the loop for plugging the hole.",
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        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
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        "1:6.12.87-1+rpt1~bookworm"
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  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-46146"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/076d5d13eb9c1ad259a7f246149f6676c62285f9"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/316aa0b1e3c5600eae5ab876394c1ac70e6db581"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/24a40df79307ca7ca0eec0889361cf6ac146d72a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/e0e3dcf48189603f3865f1a0b799b3b42baae96d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/4e0ee232ebe3df04874125d7c7f3e6c25ea5483d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/be09b47ed8677d76962e3240c145502e2ad9f3c8"
    },
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      "url": "https://git.kernel.org/stable/c/fa5b19ce69067874b1413f3c2027563bae8c2cb3"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6e7247d8f5fefeceb0bb9cc80a5388a636b219cd"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-06-15T02:03:26Z"
  }
}