Input: cm109 - validate number of endpoints before using them

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commit ac2ee9ba95 upstream.

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

Fixes: c04148f915 ("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>

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Johan Hovold 2017-03-16 11:35:12 -07:00 • committed by Greg Kroah-Hartman

parent 6139f43c4f

commit d1f5902b6b

1 changed files with 4 additions and 0 deletions

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drivers/input/misc/cm109.c

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