]> git.hungrycats.org Git - linux/commitdiff
iwlwifi: dvm: fix D3 firmware PN programming
authorJohannes Berg <johannes.berg@intel.com>
Tue, 15 Sep 2015 12:36:09 +0000 (14:36 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 Nov 2015 22:33:32 +0000 (14:33 -0800)
commit 5bd166872d8f99f156fac191299d24f828bb2348 upstream.

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.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/iwlwifi/dvm/lib.c

index 1d2223df5cb01fc84a06a55e431825175864ba34..e7d3566c714bc905316623a4bfdd9feac55176c9 100644 (file)
@@ -1022,7 +1022,7 @@ 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) |