{
  "threat_severity" : "Moderate",
  "public_date" : "2009-12-11T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: firewire: ohci: handle receive packets with a data length of zero",
    "id" : "547236",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=547236"
  },
  "cvss" : {
    "cvss_base_score" : "4.0",
    "cvss_scoring_vector" : "AV:L/AC:H/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "drivers/firewire/ohci.c in the Linux kernel before 2.6.32-git9, when packet-per-buffer mode is used, allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unknown other impact via an unspecified ioctl associated with receiving an ISO packet that contains zero in the payload-length field." ],
  "statement" : "Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-4138\nThe Linux kernel packages as shipped with Red Hat Enterprise Linux 3 and 4 have a different (and older) implementation of the driver for OHCI 1394 controllers, which is not affected by this issue.\nA future kernel update for Red Hat Enterprise MRG will address this flaw.",
  "affected_release" : [ {
    "product_name" : "MRG for RHEL-5",
    "release_date" : "2010-08-17T00:00:00Z",
    "advisory" : "RHSA-2010:0631",
    "cpe" : "cpe:/a:redhat:enterprise_mrg:1::el5",
    "package" : "kernel-rt-0:2.6.24.7-161.el5rt"
  }, {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2010-01-19T00:00:00Z",
    "advisory" : "RHSA-2010:0046",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "kernel-0:2.6.18-164.11.1.el5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-4138\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-4138" ],
  "name" : "CVE-2009-4138",
  "csaw" : false
}