linux-kernel - Re: [PATCH] nl80211: check for the required netlink attributes presence

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Date:   Fri, 15 Sep 2017 09:18:04 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Vladis Dronov <vdronov@...hat.com>, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     "# v3 . 1-rc1" <stable@...r.kernel.org>
Subject: Re: [PATCH] nl80211: check for the required netlink attributes
 presence

On Wed, 2017-09-13 at 00:21 +0200, Vladis Dronov wrote:
> nl80211_set_rekey_data() does not check if the required attributes
> NL80211_REKEY_DATA_{REPLAY_CTR,KEK,KCK} are present when processing
> NL80211_CMD_SET_REKEY_OFFLOAD request. This request can be issued by
> users with CAP_NET_ADMIN privilege and may result in NULL dereference
> and a system crash. Add a check for the required attributes presence.
> This patch is based on the patch by bo Zhang.

Huh. Applied, thanks.

johannes