{
  "id": "CVE-2009-4004",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2009-11-20T02:30:00.670",
  "lastModified": "2020-08-12T15:50:14.247",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the kvm_vcpu_ioctl_x86_setup_mce function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc7 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a KVM_X86_SETUP_MCE IOCTL request that specifies a large number of Machine Check Exception (MCE) banks."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer en la funci\u00f3n kvm_vcpu_ioctl_x86_setup_mce en arch/x86/kvm/x86.c en el subsistema KVM en el kernel de Linux anteriores a v2.6.32-rc7 permite a los usuarios locales causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente obtener privilegios a trav\u00e9s de una petici\u00f3n KVM_X86_SETUP_MCE IOCTL que especifica un elevado n\u00famero de bancos de Machine Check Exception (MCE)."
    }
  ],
  "vendorComments": [
    {
      "organization": "Red Hat",
      "comment": "Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG as KVM (Kernel-based Virtual Machine) is only supported in Red Hat Enterprise Linux 5.\n\nRed Hat Enterprise Linux 5 is not vulnerable to this issue because it does not include the change that introduced this buffer overflow vulnerability.",
      "lastModified": "2009-11-20T00:00:00"
    }
  ],
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          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
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