On Sun, Jul 20, 2014 at 12:55 PM, Andreas Schwab <[email protected]> wrote: > Joakim Tjernlund <[email protected]> writes: > >> Andreas Schwab <[email protected]> wrote on 2014/07/19 22:21:59: >>> >>> Joakim Tjernlund <[email protected]> writes: >>> >>> > Trying to real /proc/<pid>/exe I noticed I could not read links not >>> > belonging to my user such as: >>> > jocke > ls -l /proc/1/exe >>> > ls: cannot read symbolic link /proc/1/exe: Permission >> denied >>> > >>> > Is this expected? >>> >>> Yes. This information is considered private. >> >> I don't understand why though. > > It would allow bypassing access restrictions.
Do you have an example? I'm asking because an attacker could make any symlink as he wants to. A ln -s /etc/shadow lala still does not give me access to shadow... -- Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
