{
  "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-2026-43074",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43074",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T07:21:58.210Z",
    "updatedAt": "2026-10-19T19:06:12.716Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "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": "eventpoll: defer struct eventpoll free to RCU grace period",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\neventpoll: defer struct eventpoll free to RCU grace period\n\nIn certain situations, ep_free() in eventpoll.c will kfree the epi->ep\neventpoll struct while it still being used by another concurrent thread.\nDefer the kfree() to an RCU callback to prevent UAF.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f2451def095c1743adcfcb0cb5dadc86034e162a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "902120be4f44947df6311002addc7faf69bdbff1"
            },
            {
              "version": "a1f93804449d13f97dabd4b996817de4bf1ed67a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a6d57084372161f86660bc4607784420e00efe2c"
            },
            {
              "version": "58c9b016e12855286370dfb704c08498edbc857a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a6566cd33f6f967a7651ebf2ce0dd31572e319cf"
            },
            {
              "version": "58c9b016e12855286370dfb704c08498edbc857a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5b1173b165421561db29f30afc7e97d940a398a9"
            },
            {
              "version": "58c9b016e12855286370dfb704c08498edbc857a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7e8083f5eeedab0f460063b9c2c14c9a4e71a427"
            },
            {
              "version": "58c9b016e12855286370dfb704c08498edbc857a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ae0bb9c1fb7c2594519aeeb096cf2c3b7837b322"
            },
            {
              "version": "58c9b016e12855286370dfb704c08498edbc857a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "07712db80857d5d09ae08f3df85a708ecfc3b61f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "6.6.136",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.83",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.24",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}