{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "26fd76cab2e61cedc5c25f7151fb31b57ddc53c7"
            },
            {
              "fixed": "56fd158fef20268f48db6cdfe5d722e930134eda"
            },
            {
              "fixed": "8ba8cec0586727cc135ca4827921fc7b52946d71"
            },
            {
              "fixed": "ed5240bab3468988077fe8bf29b935eaecc9ff89"
            },
            {
              "fixed": "fe65727a4a21b11c18eebae1338482767a897b76"
            },
            {
              "fixed": "2d8ac24565be85bf56580b87bf1b874d35625eb5"
            },
            {
              "fixed": "156e65bd29307f5053835bff60bc1ba342fa010f"
            },
            {
              "fixed": "d1b73962675cdc5a58e2707e25b548d8b495fde0"
            },
            {
              "fixed": "36812527052c5bfb1ec6c1e292d67a5bf76b750f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.10.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90225.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: llcp: read llcp_sock-\u003elocal under the socket lock in getsockopt\n\nnfc_llcp_getsockopt() read llcp_sock-\u003elocal before lock_sock(sk) and\nthen dereferenced the cached pointer inside the locked region.\nllcp_sock_bind() assigns and clears llcp_sock-\u003elocal under the same\nsocket lock, dropping the last reference on its error path. A\ngetsockopt() racing an in-flight bind() can observe the pointer, block\non lock_sock(), and then dereference a freed nfc_llcp_local once bind()\nhas unwound.\n\nMove the llcp_sock-\u003elocal read and the NULL check inside the\nlock_sock(sk) region so bind() cannot mutate or free the pointer between\nthe load and the use.",
  "id": "CVE-2026-90225",
  "modified": "2026-09-20T11:30:36.972652266Z",
  "published": "2026-09-17T16:07:34.658Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/156e65bd29307f5053835bff60bc1ba342fa010f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2d8ac24565be85bf56580b87bf1b874d35625eb5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36812527052c5bfb1ec6c1e292d67a5bf76b750f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/56fd158fef20268f48db6cdfe5d722e930134eda"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ba8cec0586727cc135ca4827921fc7b52946d71"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d1b73962675cdc5a58e2707e25b548d8b495fde0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed5240bab3468988077fe8bf29b935eaecc9ff89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fe65727a4a21b11c18eebae1338482767a897b76"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90225.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90225"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "nfc: llcp: read llcp_sock-\u003elocal under the socket lock in getsockopt"
}