{
  "GSD": {
    "alias": "CVE-2018-6925",
    "description": "In FreeBSD before 11.2-STABLE(r338986), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338985), and 10.4-RELEASE-p13, due to improper maintenance of IPv6 protocol control block flags through various failure paths, an unprivileged authenticated local user may be able to cause a NULL pointer dereference causing the kernel to crash.",
    "id": "GSD-2018-6925"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-6925"
      ],
      "details": "In FreeBSD before 11.2-STABLE(r338986), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338985), and 10.4-RELEASE-p13, due to improper maintenance of IPv6 protocol control block flags through various failure paths, an unprivileged authenticated local user may be able to cause a NULL pointer dereference causing the kernel to crash.",
      "id": "GSD-2018-6925",
      "modified": "2023-12-13T01:22:35.316560Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "secteam@freebsd.org",
        "DATE_PUBLIC": "2018-09-27T00:00:00",
        "ID": "CVE-2018-6925",
        "STATE": "PUBLIC"
      },
      "affects": {
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                    "version": {
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          }
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      "problemtype": {
        "problemtype_data": [
          {
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                "value": "Denial of service"
              }
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      "references": {
        "reference_data": [
          {
            "name": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:11.listen.asc",
            "refsource": "CONFIRM",
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:11.listen.asc"
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          {
            "name": "https://www.flexera.com/company/secunia-research/advisories/SR-2018-21.html",
            "refsource": "MISC",
            "url": "https://www.flexera.com/company/secunia-research/advisories/SR-2018-21.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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            "children": [],
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                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.2:p4:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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                "cpe23Uri": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "11.2",
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        "description": {
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              "value": "In FreeBSD before 11.2-STABLE(r338986), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338985), and 10.4-RELEASE-p13, due to improper maintenance of IPv6 protocol control block flags through various failure paths, an unprivileged authenticated local user may be able to cause a NULL pointer dereference causing the kernel to crash."
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        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-476"
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        "references": {
          "reference_data": [
            {
              "name": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:11.listen.asc",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Vendor Advisory"
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              "url": "https://security.FreeBSD.org/advisories/FreeBSD-EN-18:11.listen.asc"
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      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2018-11-30T21:34Z",
      "publishedDate": "2018-09-28T13:29Z"
    }
  }
}