int64_t qmp_guest_get_time(Error **errp)
{
   int ret;
   qemu_timeval tq;
   int64_t time_ns;

   ret = qemu_gettimeofday(&tq);
   if (ret < 0) {
       error_setg_errno(errp, errno, "Failed to get time");
       return -1;
   }

   time_ns = tq.tv_sec * 1000000000LL + tq.tv_usec * 1000;
   return time_ns;
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.