{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "11ccc9107dc460de28af90fac1f42404d9802735"
            },
            {
              "fixed": "57e7b8bf7b02a0140463fea786e5172cbdf2da2f"
            },
            {
              "fixed": "8bed376124ab4505b70083a2b91f2c7ef6d51e24"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74570.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: harden runlist realloc size calculations\n\nAdd a shared helper to safely convert runlist element counts to byte sizes\nusing overflow checks, and use it in both ntfs_rl_realloc() and\nntfs_rl_realloc_nofail().",
  "id": "CVE-2026-74570",
  "modified": "2026-08-18T03:31:22.990742626Z",
  "published": "2026-08-15T12:28:10.107Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57e7b8bf7b02a0140463fea786e5172cbdf2da2f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bed376124ab4505b70083a2b91f2c7ef6d51e24"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74570.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74570"
    },
    {
      "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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ntfs: harden runlist realloc size calculations"
}