static int handle_set_cr0(struct kvm_vcpu *vcpu, unsigned long val)
{
	if (is_guest_mode(vcpu)) {
		struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
		unsigned long orig_val = val;

		/*
		 * We get here when L2 changed cr0 in a way that did not change
		 * any of L1's shadowed bits (see nested_vmx_exit_handled_cr),
		 * but did change L0 shadowed bits. So we first calculate the
		 * effective cr0 value that L1 would like to write into the
		 * hardware. It consists of the L2-owned bits from the new
		 * value combined with the L1-owned bits from L1's guest_cr0.
		 */
		val = (val & ~vmcs12->cr0_guest_host_mask) |
			(vmcs12->guest_cr0 & vmcs12->cr0_guest_host_mask);

		if (!nested_cr0_valid(vcpu, val))
			return 1;

		if (kvm_set_cr0(vcpu, val))
			return 1;
		vmcs_writel(CR0_READ_SHADOW, orig_val);
		return 0;
	} else {
		if (to_vmx(vcpu)->nested.vmxon &&
		    ((val & VMXON_CR0_ALWAYSON) != VMXON_CR0_ALWAYSON))
			return 1;
		return kvm_set_cr0(vcpu, val);
	}
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.