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(parent: a07d366) | patch
Input: ims-pcu - validate number of endpoints before using them
authorJohan Hovold <johan@kernel.org>
Thu, 16 Mar 2017 18:36:13 +0000 (11:36 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Mar 2017 07:35:15 +0000 (09:35 +0200)
commit6bed7c1e2b78e58adab2e8448f3e6799857b5726
tree9f6796c17a401ef7e64bda3b6e45438c391e543dtree | snapshot
parenta07d3669654ad335c19df048199da0a063e0c387commit | diff
Input: ims-pcu - validate number of endpoints before using them

commit 1916d319271664241b7aa0cd2b05e32bdb310ce9 upstream.

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

Fixes: 628329d52474 ("Input: add IMS Passenger Control Unit driver")
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/ims-pcu.c diff | blob | history
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