diff options
| -rw-r--r-- | net/mac80211/rx.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 6ebec32b4ebc..1d2e7a6dd2a1 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2418,13 +2418,20 @@ static int ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx) if (rx->sta && test_sta_flag(rx->sta, WLAN_STA_MFP)) { if (unlikely(!ieee80211_has_protected(fc) && - ieee80211_is_unicast_robust_mgmt_frame(rx->skb) && - rx->key)) { + ieee80211_is_unicast_robust_mgmt_frame(rx->skb))) { if (ieee80211_is_deauth(fc) || - ieee80211_is_disassoc(fc)) + ieee80211_is_disassoc(fc)) { + /* + * Permit unprotected deauth/disassoc frames + * during 4-way-HS (key is installed after HS). + */ + if (!rx->key) + return 0; + cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev, rx->skb->data, rx->skb->len); + } return -EACCES; } /* BIP does not use Protected field, so need to check MMIE */ |