{
  "threat_severity" : "Moderate",
  "public_date" : "2010-01-07T00:00:00Z",
  "bugzilla" : {
    "description" : "kvm: cat /dev/port in guest cause the host hang",
    "id" : "560887",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=560887"
  },
  "cvss" : {
    "cvss_base_score" : "4.9",
    "cvss_scoring_vector" : "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "status" : "verified"
  },
  "details" : [ "The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2010-02-09T00:00:00Z",
    "advisory" : "RHSA-2010:0088",
    "cpe" : "cpe:/a:redhat:rhel_virtualization:5",
    "package" : "kvm-0:83-105.el5_4.22"
  }, {
    "product_name" : "Red Hat Enterprise Virtualization for RHEL-5",
    "release_date" : "2010-02-09T00:00:00Z",
    "advisory" : "RHSA-2010:0095",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5::hypervisor",
    "package" : "rhev-hypervisor-0:5.4-2.1.8.el5_4rhev2_1"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2010-0309\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-0309" ],
  "name" : "CVE-2010-0309",
  "csaw" : false
}