"value":"The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified \"random addresses.\""
},
{
"lang":"es",
"value":"La funci\u00f3n kvm_emulate_hypercall en el archivo arch/x86/kvm/x86.c en KVM en el kernel de Linux versi\u00f3n 2.6.25-rc1 y otras versiones anteriores a 2.6.31, cuando se ejecuta en sistemas x86, no impide el acceso a hiperllamadas MMU desde el timbre 0, lo que permite a los usuarios del sistema operativo invitado local causar una denegaci\u00f3n de servicio (bloqueo del kernel invitado) y leer o escribir la memoria del kernel invitado por medio de \"random addresses\u201d no especificadas."
}
],
"vendorComments":[
{
"organization":"Red Hat",
"comment":"Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/CVE-2009-3290\n\nThis 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. A future kernel update in Red Hat Enterprise Linux 5 will address this flaw.",