{
  "id": "CVE-2011-4087",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2013-06-08T13:05:55.210",
  "lastModified": "2023-11-07T02:09:15.077",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n br_parse_ip_options en net/bridge/br_netfilter.c de los kernel Linux anteriores a v2.6.39 no inicia adecuadamente cierta estructura de datos, permitiendo que atacantes remotos provoquen denegaciones de servicio mediante la indicaci\u00f3n de conexi\u00f3n a un interfaz de red que usa un dispositivo bridge Ethernet."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-665"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.6.39",
              "matchCriteriaId": "176353CE-F17E-4776-AD9F-19014DA75B76"
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  "references": [
    {
      "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f8e9881c2aef1e982e5abc25c046820cd0b7cf64",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/10/28/14",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/torvalds/linux/commit/f8e9881c2aef1e982e5abc25c046820cd0b7cf64",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
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    }
  ]
}