Systems, methods, and computer storage mediums for managing read-only memory are provided. A system includes a memory device including a real memory and a tracking mechanism configured to track relationships between multiple virtual memory addresses and real memory. The system further includes a processor configured to perform the below method and/or execute the below computer program product. One method includes mapping a first virtual memory address to a real memory in a memory device and mapping a second virtual memory address to the real memory. Here, the first virtual memory address is authorized to modify data in the real memory and the second virtual memory address is not authorized to modify the data in the real memory. One computer storage medium includes a computer program product for performing the above method.