CVE-2026-98819 (GCVE-0-2026-98819)
Vulnerability from cvelistv5
Published
2026-10-18 15:49
Modified
2026-10-30 12:39
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: validate DDC record lengths Parse DDC record lengths in unsigned storage so 0xFF does not wrap. Reject records smaller than the mandatory three-byte header, records exceeding U8_MAX, and records exceeding remaining firmware bytes before issuing Intel_Write_DDC. This issue was reported by Claude Mythos.
Impacted products
Vendor Product Version
Linux Linux Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
Version: 145f2368c5fd7962e37315ccc092670743019d08
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{
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      "cpeApplicability": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel: validate DDC record lengths\n\nParse DDC record lengths in unsigned storage so 0xFF does not wrap.\nReject records smaller than the mandatory three-byte header, records\nexceeding U8_MAX, and records exceeding remaining firmware bytes before\nissuing Intel_Write_DDC.\n\nThis issue was reported by Claude Mythos."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T12:39:59.162Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        },
        {
          "url": "https://git.kernel.org/stable/c/93f00db7441eec84a11029662f04b152386107a9"
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          "url": "https://git.kernel.org/stable/c/069031f569f1681f17e863f48c221a6091b47850"
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          "url": "https://git.kernel.org/stable/c/c9c15d4d8956df8c564f7c210e4dc5b9b820d97a"
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      ],
      "title": "Bluetooth: btintel: validate DDC record lengths",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-98819",
    "datePublished": "2026-10-18T15:49:11.226Z",
    "dateReserved": "2026-09-25T10:25:14.371Z",
    "dateUpdated": "2026-10-30T12:39:59.162Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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