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(parent: e916f1d) | 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 07:35:15 +0000 (09:35 +0200)
commitc05490638ddfffa35d2fb03c1852f9013757a9e1
tree735e6b20458295353a26f050e9af077a19269668tree | snapshot (tar.gz zip)
parente916f1d6188ef765303b4f74387d7e92d49a5be6commit | 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 | blame | history