The present application discloses a method, system, and device for executing system calls. The method includes obtaining, by one or more processors, a request to execute a system call, the request to execute the system call being made by an executor to execute the system call, determining, by the one or more processors, whether the executor to execute the system call has an access permission for the system call, and in response to determining that the executor has the access permission for the system call, permitting, by the one or more processors, the executor to execute the system call.