They should not be writable by any user Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
@@ -356,7 +356,7 @@ static ssize_t set_silent_state(struct device *dev,
}
return count;
-static DEVICE_ATTR(silent, S_IWUGO | S_IRUGO,
+static DEVICE_ATTR(silent, S_IRUSR | S_IRUGO,
get_silent_state, set_silent_state);