{
  "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-2025-21863",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21863",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-03-12T09:42:20.552Z",
    "updatedAt": "2026-10-15T01:04:54.584Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "io_uring: prevent opcode speculation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: prevent opcode speculation\n\nsqe->opcode is used for different tables, make sure we santitise it\nagainst speculations.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "87e9eef43c758da267f6332678058a79764c7eba"
            },
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "18eae8420081ef8e043ad455937bfb470ef08607"
            },
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d261ead565a080e3411b0dd04e6d58a52471cac8"
            },
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b9826e3b26ec031e9063f64a7c735449c43955e4"
            },
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "506b9b5e8c2d2a411ea8fe361333f5081c56d23a"
            },
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fdbfd52bd8b85ed6783365ff54c82ab7067bd61b"
            },
            {
              "version": "d3656344fea0339fb0365c8df4d2beba4e0089cd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1e988c3fe1264708f4f92109203ac5b1d65de50b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.259",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.17",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}