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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
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