tree 2fcd69910b423be66e00fac67f5b4b3b1e1fc6aa
parent e37d1aeda737a20b1846a91a3da3f8b0f00cf690
author Johan Hovold <johan@kernel.org> 1579254624 +0100
committer Johan Hovold <johan@kernel.org> 1579274577 +0100

USB: serial: io_edgeport: add missing active-port sanity check

The driver receives the active port number from the device, but never
made sure that the port number was valid. This could lead to a
NULL-pointer dereference or memory corruption in case a device sends
data for an invalid port.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>