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(parent: 9f6a8dc) | patch
Input: cm109 - validate number of endpoints before using them
authorJohan Hovold <johan@kernel.org>
Thu, 16 Mar 2017 18:35:12 +0000 (11:35 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Mar 2017 07:41:23 +0000 (09:41 +0200)
commit83d920e464fafb738be14096cd1cf3c983d8bab4
treeb07437c7ee3f03933b5c0590307d0d6e6f5111bbtree | snapshot
parent9f6a8dca9874ca923dbb253a96e9f4a537643b9dcommit | diff
Input: cm109 - validate number of endpoints before using them

commit ac2ee9ba953afe88f7a673e1c0c839227b1d7891 upstream.

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

Fixes: c04148f915e5 ("Input: add driver for USB VoIP phones with CM109...")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/input/misc/cm109.c diff | blob | history
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