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USB: usb_driver_claim_interface: add sanity checking
authorOliver Neukum <oneukum@suse.com>
Wed, 16 Mar 2016 12:26:17 +0000 (13:26 +0100)
committerTim Gardner <tim.gardner@canonical.com>
Thu, 21 Apr 2016 12:52:14 +0000 (06:52 -0600)
commit57473a3b3ffafa22ebc05bb90f7a0028bdeb8cf7
tree1350759de112ed3d31e44dbb99bd305d657d7f38tree
parent54cc6c1fd360441d1e202d9ae59d1bd621487967commit | diff
USB: usb_driver_claim_interface: add sanity checking

BugLink: http://bugs.launchpad.net/bugs/1572722
commit 0b818e3956fc1ad976bee791eadcbb3b5fec5bfd upstream.

Attacks that trick drivers into passing a NULL pointer
to usb_driver_claim_interface() using forged descriptors are
known. This thwarts them by sanity checking.

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
drivers/usb/core/driver.c diff | blob | blame | history
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