USB: digi_acceleport: do sanity checking for the number of ports

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commit 5a07975ad0 upstream.

The driver can be crashed with devices that expose crafted descriptors
with too few endpoints.

See: http://seclists.org/bugtraq/2016/Mar/61

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
[johan: fix OOB endpoint check and add error messages ]
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Oliver Neukum 2016-03-31 12:04:26 -04:00 • committed by Greg Kroah-Hartman

parent 9deac9454b

commit 4f6ad5b0d2

1 changed files with 19 additions and 0 deletions

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drivers/usb/serial/digi_acceleport.c

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