{
  "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-2023-52996",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-52996",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-03-27T16:43:30.547Z",
    "updatedAt": "2026-05-11T19:36:36.117Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "ipv4: prevent potential spectre v1 gadget in fib_metrics_match()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: prevent potential spectre v1 gadget in fib_metrics_match()\n\nif (!type)\n        continue;\n    if (type > RTAX_MAX)\n        return false;\n    ...\n    fi_val = fi->fib_metrics->metrics[type - 1];\n\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f0eb24f1a7a60ce635f0d757a46f1a37a4d467d"
            },
            {
              "version": "5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7f9828fb1f688210e681268490576f0ca65c322a"
            },
            {
              "version": "5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ca3cf947760de050d558293002ad3e7f4b8745d2"
            },
            {
              "version": "5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f9753ebd61be2d957b5504cbd3fd719674f05b7a"
            },
            {
              "version": "5f9ae3d9e7e4ad6db0491abc7c4ae5452dbeadd8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5e9398a26a92fc402d82ce1f97cc67d832527da0"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.14"
            },
            {
              "version": "5.4.231",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.166",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.91",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}