{
  "threat_severity" : "Important",
  "public_date" : "2008-03-26T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: rt_cache leak leads to lack of network connectivity",
    "id" : "485163",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=485163"
  },
  "cvss" : {
    "cvss_base_score" : "7.1",
    "cvss_scoring_vector" : "AV:N/AC:M/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "cwe" : "CWE-772->CWE-400",
  "details" : [ "The icmp_send function in net/ipv4/icmp.c in the Linux kernel before 2.6.25, when configured as a router with a REJECT route, does not properly manage the Protocol Independent Destination Cache (aka DST) in some situations involving transmission of an ICMP Host Unreachable message, which allows remote attackers to cause a denial of service (connectivity outage) by sending a large series of packets to many destination IP addresses within this REJECT route, related to an \"rt_cache leak.\"" ],
  "statement" : "This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2009-04-01T00:00:00Z",
    "advisory" : "RHSA-2009:0326",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-128.1.6.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5.2 Z Stream",
    "release_date" : "2010-02-02T00:00:00Z",
    "advisory" : "RHSA-2010:0079",
    "cpe" : "cpe:/o:redhat:rhel_eus:5.2",
    "package" : "kernel-0:2.6.18-92.1.35.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-0778\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-0778" ],
  "name" : "CVE-2009-0778",
  "csaw" : false
}