USB: mct_u232: add sanity checking in probe

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commit 4e9a0b0525 upstream.

An attack using the lack of sanity checking in probe is known. This
patch checks for the existence of a second port.

CVE-2016-3136

Signed-off-by: Oliver Neukum <ONeukum@suse.com>
[johan: add error message ]
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 12:04:24 -04:00 • committed by Greg Kroah-Hartman

parent b6c6426252

commit 9deac9454b

1 changed files with 8 additions and 1 deletions

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drivers/usb/serial/mct_u232.c

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