{
  "threat_severity" : "Important",
  "public_date" : "2013-09-21T00:00:00Z",
  "bugzilla" : {
    "description" : "Kernel: net: IPv6: panic when UFO=On for an interface",
    "id" : "1011927",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1011927"
  },
  "cvss" : {
    "cvss_base_score" : "6.1",
    "cvss_scoring_vector" : "AV:A/AC:L/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "net/ipv6/ip6_output.c in the Linux kernel through 3.11.4 does not properly determine the need for UDP Fragmentation Offload (UFO) processing of small packets after the UFO queueing of a large packet, which allows remote attackers to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via network traffic that triggers a large response packet." ],
  "statement" : "This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise Linux 5.\nThis issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 may address this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2013-11-20T00:00:00Z",
    "advisory" : "RHSA-2013:1645",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "kernel-0:2.6.32-431.el6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6.4 Extended Update Support",
    "release_date" : "2014-03-11T00:00:00Z",
    "advisory" : "RHSA-2014:0284",
    "cpe" : "cpe:/o:redhat:rhel_eus:6.4",
    "package" : "kernel-0:2.6.32-358.37.1.el6"
  }, {
    "product_name" : "Red Hat Enterprise MRG 2",
    "release_date" : "2013-10-31T00:00:00Z",
    "advisory" : "RHSA-2013:1490",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:2:server:el6",
    "package" : "kernel-rt-0:3.8.13-rt14.25.el6rt"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2013-4387\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4387" ],
  "name" : "CVE-2013-4387",
  "csaw" : false
}