{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06"
            },
            {
              "fixed": "0d482995f0cdd0302450aa300c684c642d8ab31f"
            },
            {
              "fixed": "9e8df087826b9999d1b83b06f5d85675d5a69c9e"
            },
            {
              "fixed": "db66a30588630c7de30ef033f00daddef69f6ad9"
            },
            {
              "fixed": "144ad477c381e2c592b64898d04ab4ce03b32861"
            },
            {
              "fixed": "e4da1452e10c6472a4bac48dc2f6a35fff1fcd69"
            },
            {
              "fixed": "14b1467cfc6630583650f33538174c5a1ec685ab"
            },
            {
              "fixed": "035056e07ea65be670284246d9bc62f2f00ff4a3"
            },
            {
              "fixed": "092c6a605cbd6414ef499834c2e0da69c2c3388e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.13.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.55"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98481.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: port100: reject frames whose declared length exceeds the received data\n\nport100_recv_response() passes the URB transfer buffer to\nport100_rx_frame_is_valid(), which checksums le16_to_cpu(frame-\u003edatalen)\nbytes of frame-\u003edata. datalen is a 16-bit field supplied by the device\nand is never checked against the number of bytes actually received\n(urb-\u003eactual_length), so a device reporting a datalen larger than the\nreceived frame makes port100_data_checksum() read out of bounds past the\ntransfer buffer.\n\nReject a response whose declared frame size does not fit the received\nlength before validating it.\n\nFound by 0sec (https://0sec.ai) using automated source analysis; the\nmissing bound is evident from source. Compile-tested.",
  "id": "CVE-2026-98481",
  "modified": "2026-10-20T02:31:00.113039233Z",
  "published": "2026-10-18T15:15:55.360Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/035056e07ea65be670284246d9bc62f2f00ff4a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/092c6a605cbd6414ef499834c2e0da69c2c3388e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0d482995f0cdd0302450aa300c684c642d8ab31f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/144ad477c381e2c592b64898d04ab4ce03b32861"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/14b1467cfc6630583650f33538174c5a1ec685ab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e8df087826b9999d1b83b06f5d85675d5a69c9e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db66a30588630c7de30ef033f00daddef69f6ad9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4da1452e10c6472a4bac48dc2f6a35fff1fcd69"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98481.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98481"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "nfc: port100: reject frames whose declared length exceeds the received data"
}