Commit 588f7d39 authored by Johannes Berg's avatar Johannes Berg

mac80211: drop robust management frames from unknown TA

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>
parent 180aa422
...@@ -3831,6 +3831,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx) ...@@ -3831,6 +3831,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_STATION:
if (!bssid && !sdata->u.mgd.use_4addr) if (!bssid && !sdata->u.mgd.use_4addr)
return false; return false;
if (ieee80211_is_robust_mgmt_frame(skb) && !rx->sta)
return false;
if (multicast) if (multicast)
return true; return true;
return ether_addr_equal(sdata->vif.addr, hdr->addr1); return ether_addr_equal(sdata->vif.addr, hdr->addr1);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment