{
  "id": "CVE-2011-2942",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2013-06-08T13:05:55.130",
  "lastModified": "2023-02-13T01:20:39.110",
  "vulnStatus": "Modified",
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n\r\n'CWE-476: NULL Pointer Dereference'",
  "descriptions": [
    {
      "lang": "en",
      "value": "A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device."
    },
    {
      "lang": "es",
      "value": "Un parche de Red Hat para la funci\u00f3n __br_deliver en net/bridge/br_forward.c en el Kernel de Linux v2.6.18 en Red Hat Enterprise Linux (RHEL) 5 permite a atacantes remotos causar una denegaci\u00f3n de servicio (NULL pointer dereference y ca\u00edda del sistema)  o posiblemente tener otro impacto no especificado mediante el aprovechamiento de la conectividad con una interfaz de red que utiliza un dispositivo Ethernet puente."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.18:*:*:*:*:*:*:*",
              "matchCriteriaId": "C06F0037-DE20-4B4A-977F-BFCFAB026517"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*",
              "matchCriteriaId": "AA9B3CC0-DF1C-4A86-B2A3-A9D428A5A6E6"
            }
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  ],
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/10/24/3",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=730917",
      "source": "secalert@redhat.com"
    }
  ]
}