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

89 KiB

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