USB: usb_driver_claim_interface: add sanity checking

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commit 0b818e3956 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>

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Oliver Neukum 2016-03-16 13:26:17 +01:00 • committed by Greg Kroah-Hartman

parent 850631bedd

commit b6c6426252

1 changed files with 5 additions and 1 deletions

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drivers/usb/core/driver.c

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