{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2009-4031",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "n/a",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "n/a"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "n/a"
            }
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      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The do_insn_fetch function in arch/x86/kvm/emulate.c in the x86 emulator in the KVM subsystem in the Linux kernel before 2.6.32-rc8-next-20091125 tries to interpret instructions that contain too many bytes to be valid, which allows guest OS users to cause a denial of service (increased scheduling latency) on the host OS via unspecified manipulations related to SMP support."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "n/a"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "[oss-security] 20091125 CVE request: kernel: KVM: x86 emulator: limit instructions to 15 bytes",
            "refsource" : "MLIST",
            "url" : "http://www.openwall.com/lists/oss-security/2009/11/25/3"
         },
         {
            "name" : "[oss-security] 20091125 Re: CVE request: kernel: KVM: x86 emulator: limit instructions to 15 bytes",
            "refsource" : "MLIST",
            "url" : "http://www.openwall.com/lists/oss-security/2009/11/25/1"
         },
         {
            "name" : "http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git;a=commit;h=e42d9b8141d1f54ff72ad3850bb110c95a5f3b88",
            "refsource" : "CONFIRM",
            "url" : "http://git.kernel.org/?p=linux/kernel/git/avi/kvm.git;a=commit;h=e42d9b8141d1f54ff72ad3850bb110c95a5f3b88"
         },
         {
            "name" : "http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz",
            "refsource" : "CONFIRM",
            "url" : "http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091125.gz"
         },
         {
            "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=541160",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=541160"
         },
         {
            "name" : "FEDORA-2009-13098",
            "refsource" : "FEDORA",
            "url" : "https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00777.html"
         },
         {
            "name" : "SUSE-SA:2010:018",
            "refsource" : "SUSE",
            "url" : "http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00006.html"
         },
         {
            "name" : "37130",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/37130"
         },
         {
            "name" : "oval:org.mitre.oval:def:11089",
            "refsource" : "OVAL",
            "url" : "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11089"
         },
         {
            "name" : "37720",
            "refsource" : "SECUNIA",
            "url" : "http://secunia.com/advisories/37720"
         }
      ]
   }
}