{
  "id": "CVE-2011-4326",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2012-05-17T11:00:33.837",
  "lastModified": "2023-02-13T01:21:45.080",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n udp6_ufo_fragment en net/ipv6/udp.c en el kernel de Linux antes de v2.6.39, cuando la opci\u00f3n de \"UDP Fragmentation Offload\" (UFO) est\u00e1 activada, permite a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda del sistema) mediante el env\u00edo de paquetes IPv6 UDP a un dispositivo de puente."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.1
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 8.6,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "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"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:avaya:96x1_ip_deskphone_firmware:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "6.0.0",
              "versionEndIncluding": "6.6.0",
              "matchCriteriaId": "829711E4-DDFD-49DA-8551-3571405B8267"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:avaya:96x1_ip_deskphone:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B1BDA0A2-6A72-4C30-84BE-B60B8A9DE928"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://downloads.avaya.com/css/P8/documents/100156038",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39",
      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/11/21/10",
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/50751",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=682066",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=755584",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}