diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 706c5d63a53f..d830a0d60ba4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2972,6 +2972,10 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
 			      | KVM_VCPUEVENT_VALID_SMM))
 		return -EINVAL;
 
+	if (events->exception.injected &&
+	    (events->exception.nr > 31 || events->exception.nr == NMI_VECTOR))
+		return -EINVAL;
+
 	/* INITs are latched while in SMM */
 	if (events->flags & KVM_VCPUEVENT_VALID_SMM &&
 	    (events->smi.smm || events->smi.pending) &&