diff options
author | Michael Lo <michael.lo@mediatek.com> | 2024-08-01 10:43:35 +0800 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2025-01-14 13:34:33 +0100 |
commit | aa566ac6b7272e7ea5359cb682bdca36d2fc7e73 (patch) | |
tree | a3237a7c6b789959a194fb826b06bce309ceddd4 | |
parent | f1b1e133a770fcdbd89551651232b034d2f7a27a (diff) |
wifi: mt76: mt7921: fix using incorrect group cipher after disconnection.
To avoid incorrect cipher after disconnection, we should
do the key deletion process in this case.
Fixes: e6db67fa871d ("wifi: mt76: ignore key disable commands")
Signed-off-by: Michael Lo <michael.lo@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Tested-by: David Ruth <druth@chromium.org>
Reviewed-by: David Ruth <druth@chromium.org>
Link: https://patch.msgid.link/20240801024335.12981-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index 2ef8dbfc4a95..573a2cd7fe45 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -531,7 +531,13 @@ static int mt7921_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, } else { if (idx == *wcid_keyidx) *wcid_keyidx = -1; - goto out; + + /* For security issue we don't trigger the key deletion when + * reassociating. But we should trigger the deletion process + * to avoid using incorrect cipher after disconnection, + */ + if (vif->type != NL80211_IFTYPE_STATION || vif->cfg.assoc) + goto out; } mt76_wcid_key_setup(&dev->mt76, wcid, key); |