{
  "threat_severity" : "Important",
  "public_date" : "2010-02-09T00:00:00Z",
  "bugzilla" : {
    "description" : "kvm: emulator privilege escalation IOPL/CPL level check",
    "id" : "560654",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=560654"
  },
  "cvss" : {
    "cvss_base_score" : "6.9",
    "cvss_scoring_vector" : "AV:L/AC:M/Au:N/C:C/I:C/A:C",
    "status" : "verified"
  },
  "details" : [ "The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing (SMP), does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) to restrict instruction execution, which allows guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region, and replacing an instruction in between emulator entry and instruction fetch, a related issue to CVE-2010-0298." ],
  "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-2010-0306\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-0306" ],
  "name" : "CVE-2010-0306",
  "csaw" : false
}