Commit 61113ed9 authored by Johannes Berg's avatar Johannes Berg Committed by Greg Kroah-Hartman

mac80211: drop robust management frames from unknown TA

commit 588f7d39 upstream.

When receiving a robust management frame, drop it if we don't have
rx->sta since then we don't have a security association and thus
couldn't possibly validate the frame.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4a6d3e2f
......@@ -3823,6 +3823,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
case NL80211_IFTYPE_STATION:
if (!bssid && !sdata->u.mgd.use_4addr)
return false;
if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)
return false;
if (multicast)
return true;
return ether_addr_equal(sdata->vif.addr, hdr->addr1);
......
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