ath10k: drop fragments with multicast DA for SDIO

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commit 40e7462dad upstream.

Fragmentation is not used with multicast frames. Discard unexpected
fragments with multicast DA. This fixes CVE-2020-26145.

Tested-on: QCA6174 hw3.2 SDIO WLAN.RMH.4.4.1-00049

Cc: stable@vger.kernel.org
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20210511200110.9ca6ca7945a9.I1e18b514590af17c155bda86699bc3a971a8dcf4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Wen Gong 2021-05-11 20:02:54 +02:00 • committed by Greg Kroah-Hartman

parent b1b3dcd653

commit 425cee6360

1 changed files with 7 additions and 2 deletions

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drivers/net/wireless/ath/ath10k/htt_rx.c

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