linux-kernel - Re: [PATCH v4.19.y] ath10k: Fix TKIP Michael MIC verification for PCIe

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Message-ID: <2023080408-squad-pony-2638@gregkh>
Date:   Fri, 4 Aug 2023 12:28:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ashwin Dayanand Kamat <kashwindayan@...are.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Wen Gong <wgong@...eaurora.org>,
        Jouni Malinen <jouni@...eaurora.org>,
        Johannes Berg <johannes.berg@...el.com>, davem@...emloft.net,
        ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, akaher@...are.com, vsirnapalli@...are.com,
        tkundu@...are.com, namit@...are.com
Subject: Re: [PATCH v4.19.y] ath10k: Fix TKIP Michael MIC verification for
 PCIe

On Wed, Aug 02, 2023 at 03:52:13PM +0530, Ashwin Dayanand Kamat wrote:
> From: Wen Gong <wgong@...eaurora.org>
> 
> commit 0dc267b13f3a7e8424a898815dd357211b737330 upstream.
> 
> TKIP Michael MIC was not verified properly for PCIe cases since the
> validation steps in ieee80211_rx_h_michael_mic_verify() in mac80211 did
> not get fully executed due to unexpected flag values in
> ieee80211_rx_status.
> 
> Fix this by setting the flags property to meet mac80211 expectations for
> performing Michael MIC validation there. This fixes CVE-2020-26141. It
> does the same as ath10k_htt_rx_proc_rx_ind_hl() for SDIO which passed
> MIC verification case. This applies only to QCA6174/QCA9377 PCIe.
> 
> Tested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00110-QCARMSWP-1
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Wen Gong <wgong@...eaurora.org>
> Signed-off-by: Jouni Malinen <jouni@...eaurora.org>
> Link: https://lore.kernel.org/r/20210511200110.c3f1d42c6746.I795593fcaae941c471425b8c7d5f7bb185d29142@changeid
> Signed-off-by: Johannes Berg <johannes.berg@...el.com>
> Signed-off-by: Ashwin Dayanand Kamat <kashwindayan@...are.com>
> ---
>  drivers/net/wireless/ath/ath10k/htt_rx.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Now queued up, thanks.

greg k-h