{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9c87959601e80b39a45250e362e6ddfec17cb0fa"
            },
            {
              "fixed": "acd744019460bad22e43d4569a502f9c88d331ae"
            },
            {
              "fixed": "e9e50ce4f13dc721014af622613409455c734942"
            }
          ],
          "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": "7.1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63793.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: serialize volume label accesses\n\nProtect vol-\u003evolume_label with a mutex and snaphost the label before\ncopy_to_user. This prevent a use-after-free when FS_IOC_SETFSLABEL\nreplaces the vol-\u003evolume_label and FS_IOC_GETTSLABEL reads it\nconcurrently.",
  "id": "CVE-2026-63793",
  "modified": "2026-08-18T03:31:25.939705761Z",
  "published": "2026-07-19T12:02:02.946Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/acd744019460bad22e43d4569a502f9c88d331ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e9e50ce4f13dc721014af622613409455c734942"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63793.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63793"
    },
    {
      "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": "ntfs: serialize volume label accesses"
}