{
  "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-2026-45873",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-45873",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-27T12:15:52.916Z",
    "updatedAt": "2026-05-27T12:15:52.916Z",
    "importedAt": "2026-10-24T01:58:14.884Z",
    "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": "netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_set_rbtree: check for partial overlaps in anonymous sets\n\nUserspace provides an optimized representation in case intervals are\nadjacent, where the end element is omitted.\n\nThe existing partial overlap detection logic skips anonymous set checks\non start elements for this reason.\n\nHowever, it is possible to add intervals that overlap to this anonymous\nwhere two start elements with the same, eg. A-B, A-C where C < B.\n\n      start     end\n\tA        B\n      start  end\n        A     C\n\nRestore the check on overlapping start elements to report an overlap.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4aacf3d78424293e318c616016865380b37b9cc5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7ca5813e1b21ef300e04593f47b073ef3217aac6"
            },
            {
              "version": "2bf1435fa19d2c58054391b3bba40d5510a5758c",
              "status": "affected",
              "versionType": "git",
              "lessThan": "029e5f6a95e905b12d6bc20421be32a01e0eb311"
            },
            {
              "version": "318cb24a4c3fce8140afaf84e4d45fcb76fb280b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f1381ce0a1dd013610985e1c4260908163a427df"
            },
            {
              "version": "c9e6978e2725a7d4b6cd23b2facd3f11422c0643",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f1535d56fc3f6c625b7e0559c006bd0318791bb1"
            },
            {
              "version": "c9e6978e2725a7d4b6cd23b2facd3f11422c0643",
              "status": "affected",
              "versionType": "git",
              "lessThan": "05feaf826390fd16f1deb89dd9412def3b2a280f"
            },
            {
              "version": "c9e6978e2725a7d4b6cd23b2facd3f11422c0643",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dad14d22dff1a191612acb98facceb303d0524a2"
            },
            {
              "version": "c9e6978e2725a7d4b6cd23b2facd3f11422c0643",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e6497e06a102870803a59570d75ed2c36d7e11b3"
            },
            {
              "version": "c9e6978e2725a7d4b6cd23b2facd3f11422c0643",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4780ec142cbb24b794129d3080eee5cac2943ffc"
            },
            {
              "version": "7ab87a326f20c52ff4d9972052d085be951c704b",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "181859bdfb9734aca449512fccaee4cacce64aed",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.10.166",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.252"
            },
            {
              "version": "5.15.91",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.202"
            },
            {
              "version": "6.1.9",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.165"
            },
            {
              "version": "4.19.316",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.4.262",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.2",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.2"
            },
            {
              "version": "5.10.252",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.202",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}