>> >> It is a security problem. A user can overwrite the highscore files to >> exploit a >> buffer overflow in the game and wait for another user to play. A user can >> also >> store large file in it to escape quota on /home dir, or to break the /var >> partition, or to hide setuid binaries?, etc... > > Stretching a little, but fair enough. > Not a stretch at all. This was kind of thing was very very common in our CS department.