{
  "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-2026-43099",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43099",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T07:40:29.567Z",
    "updatedAt": "2026-10-15T01:19:07.639Z",
    "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": "ipv4: icmp: fix null-ptr-deref in icmp_build_probe()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: icmp: fix null-ptr-deref in icmp_build_probe()\n\nipv6_stub->ipv6_dev_find() may return ERR_PTR(-EAFNOSUPPORT) when the\nIPv6 stack is not active (CONFIG_IPV6=m and not loaded), and passing\nthis error pointer to dev_hold() will cause a kernel crash with\nnull-ptr-deref.\n\nInstead, silently discard the request. RFC 8335 does not appear to\ndefine a specific response for the case where an IPv6 interface\nidentifier is syntactically valid but the implementation cannot perform\nthe lookup at runtime, and silently dropping the request may safer than\nmisreporting \"No Such Interface\".",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0f21bc261e60f0c696c58841c4873ff77ed83673"
            },
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dc5db4db19766a61ad65d81d1f55b1c1e51ba78d"
            },
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "47a8bf52156ac7e7a581eca31c1f964ba4258d4d"
            },
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6be325206850a0891896d38bcf83a09d8b54ec48"
            },
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f91b3ed9e7fa82a70511b5f6901c88379acf2964"
            },
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5b9911582d441f72fe6ccb15ffe3303bbc07f6f5"
            },
            {
              "version": "d329ea5bd8845f0b196bf41b18b6173340d6e0e4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fde29fd9349327acc50d19a0b5f3d5a6c964dfd8"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.13"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}