File kvm-preXX-cpuid-entry-count.patch of Package kvm-kmp

This patch addresses bnc#550072 - CVE-2009-3638

--- a/x86/x86.c
+++ b/x86/x86.c
@@ -1419,6 +1419,8 @@ static int kvm_dev_ioctl_get_supported_c
 
 	if (cpuid->nent < 1)
 		goto out;
+	if (cpuid->nent > KVM_MAX_CPUID_ENTRIES)
+	        cpuid->nent = KVM_MAX_CPUID_ENTRIES;
 	r = -ENOMEM;
 	cpuid_entries = vmalloc(sizeof(struct kvm_cpuid_entry2) * cpuid->nent);
 	if (!cpuid_entries)