diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath10k/302-ath10k-drop-fragments-with-multicast-DA-for-SDIO.patch')
-rw-r--r-- | package/kernel/mac80211/patches/ath10k/302-ath10k-drop-fragments-with-multicast-DA-for-SDIO.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/package/kernel/mac80211/patches/ath10k/302-ath10k-drop-fragments-with-multicast-DA-for-SDIO.patch b/package/kernel/mac80211/patches/ath10k/302-ath10k-drop-fragments-with-multicast-DA-for-SDIO.patch deleted file mode 100644 index 85d9ce65e2..0000000000 --- a/package/kernel/mac80211/patches/ath10k/302-ath10k-drop-fragments-with-multicast-DA-for-SDIO.patch +++ /dev/null @@ -1,40 +0,0 @@ -From: Wen Gong <wgong@codeaurora.org> -Date: Tue, 11 May 2021 20:02:54 +0200 -Subject: [PATCH] ath10k: drop fragments with multicast DA for SDIO - -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> -Signed-off-by: Johannes Berg <johannes.berg@intel.com> ---- - ---- a/drivers/net/wireless/ath/ath10k/htt_rx.c -+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c -@@ -2617,6 +2617,13 @@ static bool ath10k_htt_rx_proc_rx_frag_i - rx_desc = (struct htt_hl_rx_desc *)(skb->data + tot_hdr_len); - rx_desc_info = __le32_to_cpu(rx_desc->info); - -+ hdr = (struct ieee80211_hdr *)((u8 *)rx_desc + rx_hl->fw_desc.len); -+ -+ if (is_multicast_ether_addr(hdr->addr1)) { -+ /* Discard the fragment with multicast DA */ -+ goto err; -+ } -+ - if (!MS(rx_desc_info, HTT_RX_DESC_HL_INFO_ENCRYPTED)) { - spin_unlock_bh(&ar->data_lock); - return ath10k_htt_rx_proc_rx_ind_hl(htt, &resp->rx_ind_hl, skb, -@@ -2624,8 +2631,6 @@ static bool ath10k_htt_rx_proc_rx_frag_i - HTT_RX_NON_TKIP_MIC); - } - -- hdr = (struct ieee80211_hdr *)((u8 *)rx_desc + rx_hl->fw_desc.len); -- - if (ieee80211_has_retry(hdr->frame_control)) - goto err; - |