ntfs: centalize $INDEX_ROOT header validation

{
  "id": "9b8b9b17dccd459ecfaf40e9d9299257e85835d3f5b92b997711da74af009f2a",
  "url": "https://osv.dev/vulnerability/CVE-2026-72204",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ntfs: centalize $INDEX_ROOT header validation",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ntfs: centalize $INDEX_ROOT header validation Add a dedicated helper to perform stricter validation of $INDEX_ROOT and use it for both directory inodes and named index inodes. This keeps the root size and header geometry checks consistent across both read paths.",
    "evidence": "osv:CVE-2026-72204",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "7.1.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-72204",
      "aliases": [
        "CVE-2026-72204"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0"
                },
                {
                  "fixed": "b06730c6af58d3569883f8dd7c36a90aba5ecc0a"
                },
                {
                  "fixed": "8b97b302f553a480fb76d2afd53cd6c0635a9dcd"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72204.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "7.1.0"
                },
                {
                  "fixed": "7.1.5"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72204.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.977912596Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/8b97b302f553a480fb76d2afd53cd6c0635a9dcd",
        "https://git.kernel.org/stable/c/b06730c6af58d3569883f8dd7c36a90aba5ecc0a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72204.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-72204",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72204.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-72204",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521881,
  "published_at": "2026-08-15T05:54:01.07+00:00"
}