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USB: iowarrior: fix NULL-deref in write
authorJohan Hovold <johan@kernel.org>
Tue, 7 Mar 2017 15:11:04 +0000 (16:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 18 Mar 2017 11:18:42 +0000 (19:18 +0800)
commit14bca59b1660196c87e424c2d42c23075800b530
treeed620d8f0b018394d16a70cced0773b4057cf4e1tree
parent5ec59765f503ca208af2fa78796f7e4f842f6e00commit | diff
USB: iowarrior: fix NULL-deref in write

commit de46e56653de7b3b54baa625bd582635008b8d05 upstream.

Make sure to verify that we have the required interrupt-out endpoint for
IOWarrior56 devices to avoid dereferencing a NULL-pointer in write
should a malicious device lack such an endpoint.

Fixes: 946b960d13c1 ("USB: add driver for iowarrior devices.")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/misc/iowarrior.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git