Jann Horn 0c55627167 drivers/tty: require read access for controlling terminal
This is mostly a hardening fix, given that write-only access to other
users' ttys is usually only given through setgid tty executables.

Signed-off-by: Jann Horn <jann@thejh.net>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-04 19:20:30 +01:00
..
2015-05-10 19:26:37 +02:00
2015-07-23 18:37:32 -07:00