linux-kernel - Re: [PATCH net-next] vxlan: fix incorrect nlattr access in MTU check

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Date:   Tue, 27 Jun 2017 14:40:52 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     mschiffer@...verse-factory.net
Cc:     jbenc@...hat.com, roopa@...ulusnetworks.com, pshelar@....org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] vxlan: fix incorrect nlattr access in MTU
 check

From: Matthias Schiffer <mschiffer@...verse-factory.net>
Date: Tue, 27 Jun 2017 14:42:43 +0200

> The access to the wrong variable could lead to a NULL dereference and
> possibly other invalid memory reads in vxlan newlink/changelink requests
> with a IFLA_MTU attribute.
> 
> Fixes: a985343ba906 "vxlan: refactor verification and application of configuration"
> Signed-off-by: Matthias Schiffer <mschiffer@...verse-factory.net>

Applied, thanks.