From: Kees Cook <[email protected]>
Date: Wed, 27 Mar 2013 09:40:50 -0700
> Commit 184b89044fb6e2a74611dafa69b1dce0d98612c6 ("tg3: Use VPD fw version
> when present") introduced VPD parsing that contained a potential length
> overflow.
>
> Limit the hardware's reported firmware string length (max 255 bytes) to
> stay inside the driver's firmware string length (32 bytes). On overflow,
> truncate the formatted firmware string instead of potentially overwriting
> portions of the tg3 struct.
>
> http://cansecwest.com/slides/2013/PrivateCore%20CSW%202013.pdf
>
> Signed-off-by: Kees Cook <[email protected]>
> Reported-by: Oded Horovitz <[email protected]>
> Reported-by: Brad Spengler <[email protected]>
Applied.
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