{
  "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-2026-31671",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31671",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-24T14:45:18.669Z",
    "updatedAt": "2026-10-15T01:17:41.666Z",
    "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": "xfrm_user: fix info leak in build_report()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm_user: fix info leak in build_report()\n\nstruct xfrm_user_report is a __u8 proto field followed by a struct\nxfrm_selector which means there is three \"empty\" bytes of padding, but\nthe padding is never zeroed before copying to userspace.  Fix that up by\nzeroing the structure before setting individual member variables.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d27c02eec529f78055a46a5c9e6c62684382b2d8"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "716c546e88cfe49d841658240e10cb57bc50a2cc"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0616314b3b34f24cbb91da8c6bd8bcdc4c8592f9"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e0c8542c3d097ed4205ded51868195d5d6ddac62"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ff5ee507302303b15859753c3e0d67d38fd12c88"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6c55714c931051cd7f4839c19ce0867179fd22fe"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0a30dceb0e1f0c480d2482e6d7cebf8aebb6eb72"
            },
            {
              "version": "97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d10119968d0e1f2b669604baf2a8b5fdb72fa6b4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.19"
            },
            {
              "version": "5.10.253",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.169",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.135",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.82",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.23",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}