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(parent: 0025cf9) | patch
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>
Thu, 9 Mar 2017 09:25:37 +0000 (10:25 +0100)
commit792211ae5f6c45ca2b5b8502ba4e68e60a251aa0
treecdd5e50e19094bfb45dc014d0819e3072da53726tree | snapshot
parent0025cf9de46f414293f5df520e0b3d87cbef4243commit | diff
USB: iowarrior: fix NULL-deref in write

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: 31278f37cb65 ("USB: add driver for iowarrior devices.")
Cc: stable <stable@vger.kernel.org> # 2.6.21
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/misc/iowarrior.c diff | blob | history
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