{
  "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-2026-31554",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31554",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-24T14:35:38.527Z",
    "updatedAt": "2026-10-19T18:55:58.799Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "futex: Require sys_futex_requeue() to have identical flags",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfutex: Require sys_futex_requeue() to have identical flags\n\nNicholas reported that his LLM found it was possible to create a UaF\nwhen sys_futex_requeue() is used with different flags. The initial\nmotivation for allowing different flags was the variable sized futex,\nbut since that hasn't been merged (yet), simply mandate the flags are\nidentical, as is the case for the old style sys_futex() requeue\noperations.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0f4b5f972216782a4acb1ae00dcb55173847c2ff",
              "status": "affected",
              "versionType": "git",
              "lessThan": "027145ace09fad4c7cbcd6c61fe9b429c63eb0e5"
            },
            {
              "version": "0f4b5f972216782a4acb1ae00dcb55173847c2ff",
              "status": "affected",
              "versionType": "git",
              "lessThan": "18b7d09c2b794c71d4252f3ea2cf84ad12b73d6a"
            },
            {
              "version": "0f4b5f972216782a4acb1ae00dcb55173847c2ff",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e2f78c7ec1655fedd945366151ba54fcb9580508"
            },
            {
              "version": "0f4b5f972216782a4acb1ae00dcb55173847c2ff",
              "status": "affected",
              "versionType": "git",
              "lessThan": "19f94b39058681dec64a10ebeb6f23fe7fc3f77a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.7"
            },
            {
              "version": "6.12.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}