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Johannes Berg d9237e75fd mac80211: discard multicast and 4-addr A-MSDUs 
commit ea720935cf upstream.

In mac80211, multicast A-MSDUs are accepted in many cases that
they shouldn't be accepted in:
 * drop A-MSDUs with a multicast A1 (RA), as required by the
   spec in 9.11 (802.11-2012 version)
 * drop A-MSDUs with a 4-addr header, since the fourth address
   can't actually be useful for them; unless 4-address frame
   format is actually requested, even though the fourth address
   is still not useful in this case, but ignored

Accepting the first case, in particular, is very problematic
since it allows anyone else with possession of a GTK to send
unicast frames encapsulated in a multicast A-MSDU, even when
the AP has client isolation enabled.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-10 16:36:35 +01:00
..
aes_ccm.c mac80211: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
aes_ccm.h mac80111: Add CCMP-256 cipher 2015-01-27 11:07:35 +01:00
aes_cmac.c mac80211: remove ieee80211_aes_cmac_calculate_k1_k2() 2015-08-13 11:31:45 +02:00
aes_cmac.h mac80111: Add BIP-CMAC-256 cipher 2015-01-27 11:09:13 +01:00
aes_gcm.c mac80211: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
aes_gcm.h mac80111: Add GCMP and GCMP-256 ciphers 2015-01-27 11:06:09 +01:00
aes_gmac.c mac80211: Switch to new AEAD interface 2015-05-28 11:23:20 +08:00
aes_gmac.h mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers 2015-01-27 11:10:13 +01:00
agg-rx.c mac80211: fix use of uninitialised values in RX aggregation 2016-03-16 08:43:00 -07:00
agg-tx.c mac80211: always set the buf_size in AddBA req to 64 2015-11-20 11:39:40 +01:00
cfg.c mac80211: fix purging multicast PS buffer queue 2016-09-07 08:32:41 +02:00
chan.c mac80211: upgrade BW of TDLS peers when possible 2015-07-17 15:38:12 +02:00
debug.h mac80211: 802.11p OCB mode support 2014-11-04 13:18:21 +01:00
debugfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-20 06:08:27 -07:00
debugfs.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_key.c mac80211: allow writing TX PN in debugfs 2015-09-29 15:56:50 +02:00
debugfs_key.h
debugfs_netdev.c mac80211: remove last_beacon/ave_beacon debugfs files 2015-09-22 15:21:25 +02:00
debugfs_netdev.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
debugfs_sta.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
debugfs_sta.h
driver-ops.c mac80211: document sleep requirements for channel context ops 2015-11-03 11:15:48 +01:00
driver-ops.h mac80211: document sleep requirements for channel context ops 2015-11-03 11:15:48 +01:00
ethtool.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
ht.c mac80211: add VHT support for IBSS 2015-03-30 10:48:26 +02:00
ibss.c mac80211: fix ibss scan parameters 2016-04-20 15:42:10 +09:00
ieee80211_i.h mac80211: check PN correctly for GCMP-encrypted fragmented MPDUs 2016-03-16 08:43:00 -07:00
iface.c mac80211: fix statistics leak if dev_alloc_name() fails 2016-05-11 11:21:13 +02:00
Kconfig mac80211: use DECLARE_EWMA 2015-08-14 17:49:53 +02:00
key.c mac80211: remove sta_info.gtk_idx 2015-07-17 15:37:54 +02:00
key.h mac80211: remove key TX/RX counter 2015-07-17 15:38:01 +02:00
led.c mac80211: fix throughput LED trigger 2015-05-11 19:16:04 +02:00
led.h mac80211: make LED triggering depend on activation 2015-05-05 14:21:56 +02:00
main.c mac80211: don't advertise NL80211_FEATURE_FULL_AP_CLIENT_STATE 2015-11-17 15:48:50 +01:00
Makefile mac80211: remove event.c 2015-10-14 18:40:26 +02:00
mesh.c mac80211: Fix mesh estab_plinks counting in STA removal case 2016-07-27 09:47:27 -07:00
mesh.h mac80211: Requeue work after scan complete for all VIF types. 2016-03-03 15:07:26 -08:00
mesh_hwmp.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
mesh_pathtbl.c mac80211: mesh: fix call_rcu() usage 2015-11-17 15:49:25 +01:00
mesh_plink.c mac80211: fix crash on mesh local link ID generation with VIFs 2015-11-03 10:43:40 +01:00
mesh_ps.c mac80211: mesh: separate plid and aid concepts 2015-07-17 15:47:11 +02:00
mesh_sync.c mac80211: move mesh related station fields to own struct 2015-07-17 15:38:06 +02:00
michael.c
michael.h mac80211: fix some missing includes 2014-04-09 14:49:43 +02:00
mlme.c mac80211: Requeue work after scan complete for all VIF types. 2016-03-03 15:07:26 -08:00
ocb.c mac80211: move station statistics into sub-structs 2015-10-21 10:08:22 +02:00
offchannel.c mac80211: use bool argument to ieee80211_send_nullfunc 2015-09-29 15:56:52 +02:00
pm.c mac80211: don't reconfigure sched scan in case of wowlan 2015-11-03 10:42:05 +01:00
rate.c mac80211: further improve "no supported rates" warning 2015-11-03 10:56:42 +01:00
rate.h mac80211: deinline rate_control_rate_init, rate_control_rate_update 2015-07-17 15:50:02 +02:00
rc80211_minstrel.c mac80211: minstrel: Change expected throughput unit back to Kbps 2016-03-16 08:42:59 -07:00
rc80211_minstrel.h mac80211: add standard deviation to Minstrel stats 2015-04-01 20:44:33 +02:00
rc80211_minstrel_debugfs.c mac80211: minstrel[_ht]: remove non-ascii debugfs characters 2015-09-29 15:56:47 +02:00
rc80211_minstrel_ht.c mac80211: minstrel_ht: fix a logic error in RTS/CTS handling 2016-03-16 08:43:00 -07:00
rc80211_minstrel_ht.h mac80211: add max lossless throughput per rate 2015-04-01 20:44:32 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrel[_ht]: remove non-ascii debugfs characters 2015-09-29 15:56:47 +02:00
rx.c mac80211: discard multicast and 4-addr A-MSDUs 2016-11-10 16:36:35 +01:00
scan.c mac80211: Requeue work after scan complete for all VIF types. 2016-03-03 15:07:26 -08:00
spectmgmt.c mac80211: remove unused variable in ieee80211_parse_ch_switch_ie() 2014-12-17 15:45:17 +01:00
sta_info.c mac80211: avoid excessive stack usage in sta_info 2016-04-20 15:42:10 +09:00
sta_info.h mac80211: fix fast_tx header alignment 2016-07-27 09:47:27 -07:00
status.c Here's another set of patches for the current cycle: 2015-10-22 07:28:41 -07:00
tdls.c mac80211: TDLS: add proper HT-oper IE 2015-11-03 10:42:47 +01:00
tkip.c mac80211: fix checkpatch errors 2013-12-18 10:33:06 +01:00
tkip.h
trace.c mac80211: Move message tracepoints to their own header 2015-04-07 12:32:09 -04:00
trace.h mac80211: allow null chandef in tracing 2015-11-03 10:40:59 +01:00
trace_msg.h mac80211: Move message tracepoints to their own header 2015-04-07 12:32:09 -04:00
tx.c mac80211: fix purging multicast PS buffer queue 2016-09-07 08:32:41 +02:00
util.c mac80211: reprogram in interface order 2015-12-15 13:13:59 +01:00
vht.c mac80211: handle width changes from opmode notification IE in beacon 2015-12-15 13:16:47 +01:00
wep.c mac80211: move WEP tailroom size check 2015-05-11 14:51:29 +02:00
wep.h
wme.c mac80211: synchronously reserve TID per station 2014-11-19 18:45:36 +01:00
wme.h mac80211: add WMM admission control support 2014-10-22 10:42:09 +02:00
wpa.c mac80211: remove event.c 2015-10-14 18:40:26 +02:00
wpa.h mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers 2015-01-27 11:10:13 +01:00