$$ Answer Pop$\_$Q$,$ should not exceed three lines$$ Threads and Concurrency

Threads

Threads, on the other hand, share the same virtual$-$to$-$physical address mappings

Both T$1$ and T$2,$ concurrently running as part of an address space, can both legally perform access to the same physical memory

Pop$\_$Q

What are the problems introduced due to this mechanism of multithreaded environment?