iwlwifi: dvm: fix D3 firmware PN programming
authorJohannes Berg <johannes.berg@intel.com>
Tue, 15 Sep 2015 12:36:09 +0000 (14:36 +0200)
committerLuca Coelho <luciano.coelho@intel.com>
Mon, 5 Oct 2015 10:49:29 +0000 (13:49 +0300)
The code to send the RX PN data (for each TID) to the firmware
has a devastating bug: it overwrites the data for TID 0 with
all the TID data, leaving the remaining TIDs zeroed. This will
allow replays to actually be accepted by the firmware, which
could allow waking up the system.

Cc: <stable@vger.kernel.org> [3.1+]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
drivers/net/wireless/iwlwifi/dvm/lib.c

index ab45819c1fbbf6d0080813c26090bb095082672d..e18629a16fb0260dff9b3486c572f4bfd2166fcd 100644 (file)
@@ -1020,7 +1020,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw,
                        u8 *pn = seq.ccmp.pn;
 
                        ieee80211_get_key_rx_seq(key, i, &seq);
-                       aes_sc->pn = cpu_to_le64(
+                       aes_sc[i].pn = cpu_to_le64(
                                        (u64)pn[5] |
                                        ((u64)pn[4] << 8) |
                                        ((u64)pn[3] << 16) |