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(parent: ba814bb) | patch
USB: idmouse: fix NULL-deref at probe
authorJohan Hovold <johan@kernel.org>
Mon, 13 Mar 2017 12:47:48 +0000 (13:47 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 18 Jul 2017 17:38:32 +0000 (18:38 +0100)
commit0cbbe6dafb1835e60d7cecfd795e6efb7e9cc337
tree294a62ff1b01d64522c61678b7ee01a5f443fc9dtree | snapshot
parentba814bb1c410a1e8837fca73a9ac7b64762bfeadcommit | diff
USB: idmouse: fix NULL-deref at probe

commit b0addd3fa6bcd119be9428996d5d4522479ab240 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/usb/misc/idmouse.c diff | blob | history
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