{
  "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-2026-43089",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43089",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T07:40:22.630Z",
    "updatedAt": "2026-10-15T01:19:04.146Z",
    "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": "xfrm_user: fix info leak in build_mapping()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm_user: fix info leak in build_mapping()\n\nstruct xfrm_usersa_id has a one-byte padding hole after the proto\nfield, which ends up never getting set to zero before copying out to\nuserspace.  Fix that up by zeroing out the whole structure before\nsetting individual variables.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "521385cbd50ca9474396d88462fcdfa6489685d9"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c2779ae9a3e5a044e5ccd564681511bbbcc5fc0f"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "72a8de41c3eb4dcf22bf3b674ea38fb2f75d6f32"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d3125c541a96fb3c0fc7210112684baf22b6c24d"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5a1a4b049ddde41466ccac0daeec326254b133f2"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f779a6b6cdb6e12baa0663063ac59ab2a8f20c0c"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "700c9622b23c33b5933e6dcea816492c064e4e10"
            },
            {
              "version": "3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1beb76b2053b68c491b78370794b8ff63c8f8c02"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.29",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.29"
            },
            {
              "version": "5.10.258",
              "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": "6.6.136",
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}