linux-kernel - Re: [PATCH v3 1/2] wifi: cw1200: Avoid processing an invalid TIM IE

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Message-ID: <169504729816.740666.17271538419199878496.kvalo@kernel.org>
Date:   Mon, 18 Sep 2023 14:28:19 +0000 (UTC)
From:   Kalle Valo <kvalo@...nel.org>
To:     Jeff Johnson <quic_jjohnson@...cinc.com>
Cc:     <kernel@...cinc.com>,
        Toke Høiland-Jørgensen 
        <toke@...e.dk>, "Christian Lamparter" <chunkeey@...glemail.com>,
        Stanislaw Gruszka <stf_xl@...pl>,
        "Helmut Schaa" <helmut.schaa@...glemail.com>,
        Ping-Ke Shih <pkshih@...ltek.com>,
        Johannes Berg <johannes@...solutions.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Kees Cook <keescook@...omium.org>,
        <linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, Jeff Johnson <quic_jjohnson@...cinc.com>
Subject: Re: [PATCH v3 1/2] wifi: cw1200: Avoid processing an invalid TIM IE

Jeff Johnson <quic_jjohnson@...cinc.com> wrote:

> While converting struct ieee80211_tim_ie::virtual_map to be a flexible
> array it was observed that the TIM IE processing in cw1200_rx_cb()
> could potentially process a malformed IE in a manner that could result
> in a buffer over-read. Add logic to verify that the TIM IE length is
> large enough to hold a valid TIM payload before processing it.
> 
> Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>

Patch applied to wireless-next.git, thanks.

b7bcea9c27b3 wifi: cw1200: Avoid processing an invalid TIM IE

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230831-ieee80211_tim_ie-v3-1-e10ff584ab5d@quicinc.com/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches