{
  "threat_severity" : "Important",
  "public_date" : "2009-11-04T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: isdn: hfc_usb: fix read buffer overflow",
    "id" : "539435",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=539435"
  },
  "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-839->CWE-119",
  "details" : [ "The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read." ],
  "statement" : "The Linux kernel as shipped with Red Hat Enterprise Linux 3, 5, and Red Hat Enterprise MRG did not include support for the HiSax ISDN driver for Colognechip HFC-S USB chip, and therefore were not affected by this issue.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 4",
    "release_date" : "2010-02-02T00:00:00Z",
    "advisory" : "RHSA-2010:0076",
    "cpe" : "cpe:/o:redhat:enterprise_linux:4",
    "package" : "kernel-0:2.6.9-89.0.20.EL"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2009-4005\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-4005" ],
  "name" : "CVE-2009-4005",
  "csaw" : false
}