{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8c0695e4998dd268ff2a05951961247b7e015651"
            },
            {
              "fixed": "6afb29751ee731e7f7a96feb8a15f91441e552ba"
            },
            {
              "fixed": "e886c63d2ca7108826076989103a1ffa8a0bb8f4"
            },
            {
              "fixed": "4e942da2869bcd646353eef706b7dd82efeb9db5"
            },
            {
              "fixed": "d0756a98277e383c26fead988a96c91f0781cd7f"
            },
            {
              "fixed": "af4c0606f743e009254a8d252096855335ade85d"
            },
            {
              "fixed": "a56773e649ea99b344d6bbaf90f34c8e3fadef5d"
            },
            {
              "fixed": "a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6"
            },
            {
              "fixed": "31aa28ed732f66ab83c40ef53d99791be69b85c4"
            },
            {
              "fixed": "344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16"
            }
          ],
          "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": "5.10.267"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.218"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.185"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.154"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.106"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.47"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.11"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "7.2.0"
            },
            {
              "fixed": "7.2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80803.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: digital: clamp SENSF_RES length to the destination buffer\n\ndigital_in_recv_sensf_res() memcpy()s resp-\u003elen bytes from a remote\nNFC-F device response into the NFC_SENSF_RES_MAXSIZE-byte target.sensf_res\nfield without an upper-bound check. A nearby malicious NFC-F device can\nsend an oversized SENSF_RES response to overflow the stack-local struct\nnfc_target.\n\nClamp resp-\u003elen to NFC_SENSF_RES_MAXSIZE before the copy.\n\nFound by 0sec automated security-research tooling (https://0sec.ai).",
  "id": "CVE-2026-80803",
  "modified": "2026-09-06T03:31:00.772549116Z",
  "published": "2026-09-04T15:13:17.298Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31aa28ed732f66ab83c40ef53d99791be69b85c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/344a56d7c8e0f3cbaff0bcb1bcd95a1a1db24b16"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e942da2869bcd646353eef706b7dd82efeb9db5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6afb29751ee731e7f7a96feb8a15f91441e552ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a1ef9bddfbb3ae42b036c5aa16cf386d78db70b6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a56773e649ea99b344d6bbaf90f34c8e3fadef5d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af4c0606f743e009254a8d252096855335ade85d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d0756a98277e383c26fead988a96c91f0781cd7f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e886c63d2ca7108826076989103a1ffa8a0bb8f4"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80803.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80803"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "nfc: digital: clamp SENSF_RES length to the destination buffer"
}