{
  "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-2023-52581",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52581",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2024-03-02T21:59:47.856Z",
    "updatedAt": "2026-05-23T15:26:26.550Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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: nf_tables: fix memleak when more than 255 elements expired",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\n\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\n\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\n\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\n\nWhile at it, don't deref 'gc' after we've passed it to call_rcu.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8da1b048f9a501d3d7d38c188ba09d7d0d5b8c27",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7cf055b43756b10aa2b851c927c940f5ed652125"
            },
            {
              "version": "bbdb3b65aa91aa0a32b212f27780b28987f2d94f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a995a68e8a3b48533e47c856865d109a1f1a9d01"
            },
            {
              "version": "448be0774882f95a74fa5eb7519761152add601b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "09c85f2d21ab6b5acba31a037985b13e8e6565b8"
            },
            {
              "version": "d19e8bf3ea4114dd21fc35da21f398203d7f7df1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ef99506eaf1dc31feff1adfcfd68bc5535a22171"
            },
            {
              "version": "ea3eb9f2192e4fc33b795673e56c97a21987f868",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7e5d732e6902eb6a37b35480796838a145ae5f07"
            },
            {
              "version": "5f68718b34a531a556f2f50300ead2862278da26",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4aea243b6853d06c1d160a9955b759189aa02b14"
            },
            {
              "version": "5f68718b34a531a556f2f50300ead2862278da26",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cf5000a7787cbc10341091d37245a42c119d26c5"
            },
            {
              "version": "0624f190b5742a1527cd938295caa8dc5281d4cd",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.4.11",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.5",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.5"
            },
            {
              "version": "6.5.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}