{
  "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-2025-40074",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-40074",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-28T11:48:41.202Z",
    "updatedAt": "2026-10-03T10:55:27.348Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "ipv4: start using dst_dev_rcu()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: start using dst_dev_rcu()\n\nChange icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF.\n\nChange ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(),\nipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu().",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "864155c164654110f68a17a63bd0339754790d67"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e150f273cd8ed34ebc6d03758aad95c12fc58337"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "684efb2c86c887685f9aa65e1a21b3df6c1f822d"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "923e0734c386984d45de508528a7a7ad91d791cc"
            },
            {
              "version": "4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.13"
            },
            {
              "version": "6.1.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.106",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.17.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}