> ls -l temp/

> Moreover, I can't "rm -Rf" this directory, which is also pretty weird (I
> can do it if I "su"). Does anyone have any idea why some directories are
> being created without read permission to the owner and why the same
> owner can't remove these directories (I can't even chmod them!)??

Try
	ls -la temp

Does user legv have write permission for temp (the directory itself) ?
If not, it would explain why legv can't remove the subdirectories.