{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-21814",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21814",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-27T20:04:14.089Z",
    "updatedAt": "2026-10-15T01:04:34.817Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "ptp: Ensure info->enable callback is always set",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: Ensure info->enable callback is always set\n\nThe ioctl and sysfs handlers unconditionally call the ->enable callback.\nNot all drivers implement that callback, leading to NULL dereferences.\nExample of affected drivers: ptp_s390.c, ptp_vclock.c and ptp_mock.c.\n\nInstead use a dummy callback if no better was specified by the driver.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fdc1e72487781dd7705bcbe30878bee7d5d1f3e8"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9df3a9284f39bfd51a9f72a6a165c79e2aa5066b"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1334c64a5d1de6666e0c9f984db6745083df1eb4"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5d1041c76de656f9f8d5a192218039a9acf9bd00"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "81846070cba17125a866e8023c01d3465b153339"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8441aea46445252df5d2eed6deb6d5246fc24002"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "755caf4ee1c615ee5717862e427124370f46b1f3"
            },
            {
              "version": "d94ba80ebbea17f036cecb104398fbcd788aa742",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fd53aa40e65f518453115b6f56183b0c201db26b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.0"
            },
            {
              "version": "5.4.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.179",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.129",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}