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(parent: e37d1ae) | patch
USB: serial: io_edgeport: add missing active-port sanity check
authorJohan Hovold <johan@kernel.org>
Fri, 17 Jan 2020 09:50:24 +0000 (10:50 +0100)
committerJohan Hovold <johan@kernel.org>
Fri, 17 Jan 2020 15:22:57 +0000 (16:22 +0100)
commit1568c58d11a7c851bd09341aeefd6a1c308ac40d
tree2fcd69910b423be66e00fac67f5b4b3b1e1fc6aatree | snapshot
parente37d1aeda737a20b1846a91a3da3f8b0f00cf690commit | diff
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>
drivers/usb/serial/io_edgeport.c diff | blob | history
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