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

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On Wed, Aug 02, 2023 at 03:52:13PM +0530, Ashwin Dayanand Kamat wrote:
> From: Wen Gong <wgong@xxxxxxxxxxxxxx>
> 
> 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@xxxxxxxxxxxxxxx
> Signed-off-by: Wen Gong <wgong@xxxxxxxxxxxxxx>
> Signed-off-by: Jouni Malinen <jouni@xxxxxxxxxxxxxx>
> Link: https://lore.kernel.org/r/20210511200110.c3f1d42c6746.I795593fcaae941c471425b8c7d5f7bb185d29142@changeid
> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
> Signed-off-by: Ashwin Dayanand Kamat <kashwindayan@xxxxxxxxxx>
> ---
>  drivers/net/wireless/ath/ath10k/htt_rx.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Now queued up, thanks.

greg k-h



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