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414e090bc4
linux/net/mac80211
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Johannes Berg 414e090bc4 wifi: mac80211: restrict public action ECSA frame handling 
Public action extended channel switch announcement (ECSA)
frames cannot be protected well, the spec is unclear about
what should happen in the presence of stations that can
receive protected dual and stations that cannot.

Mitigate these issues by not treating public action frames
as the absolute truth, only treat them as a hint to stop
transmitting (quiet mode), and do the remainder of the CSA
handling only when receiving the next beacon (or protected
action frame) that contains the CSA; or, if it doesn't,
simply stop being quiet and continue operating normally.

This limits the exposure to malicious ECSA public action
frames, since they cannot cause a disconnect now, only a
short interruption in traffic.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240612143037.ec7ccc45903e.Ife17d55c7ecbf98060f9c52889f3c8ba48798970@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2024-06-26 10:21:44 +02:00
..
tests wifi: mac80211: pass parsed TPE data to drivers 2024-05-23 10:35:04 +02:00
aead_api.c mac80211: Check crypto_aead_encrypt for errors 2021-03-16 21:20:41 +01:00
aead_api.h
aes_ccm.h
aes_cmac.c mac80211: aes_cmac: check crypto_shash_setkey() return value 2021-04-19 12:01:40 +02:00
aes_cmac.h
aes_gcm.h
aes_gmac.c mac80211: Check crypto_aead_encrypt for errors 2021-03-16 21:20:41 +01:00
aes_gmac.h
agg-rx.c wifi: mac80211: remove ampdu_mlme.mtx 2023-09-11 11:27:22 +02:00
agg-tx.c wifi: mac80211: introduce 'channel request' 2024-02-08 13:07:34 +01:00
airtime.c wifi: mac80211: Sanity check tx bitrate if not provided by driver 2023-09-13 16:24:05 +02:00
cfg.c wifi: mac80211: refactor CSA queue block/unblock 2024-06-26 10:21:40 +02:00
chan.c wifi: mac80211: collect some CSA data into sub-structs 2024-05-23 11:28:51 +02:00
debug.h wifi: mac80211: fix mlme_link_id_dbg() 2024-03-25 15:22:53 +01:00
debugfs_key.c wifi: mac80211: remove key_mtx 2023-09-11 11:27:22 +02:00
debugfs_key.h
debugfs_netdev.c wifi: mac80211: fix driver debugfs for vif type change 2024-02-02 13:09:55 +01:00
debugfs_netdev.h wifi: mac80211: fix driver debugfs for vif type change 2024-02-02 13:09:55 +01:00
debugfs_sta.c wifi: mac80211: fix spelling typo in comment 2024-01-03 15:34:56 +01:00
debugfs_sta.h wifi: mac80211: add API to show the link STAs in debugfs 2022-10-07 15:23:41 +02:00
debugfs.c wifi: mac80211: add flag to disallow puncturing in 5 GHz 2024-03-25 15:38:13 +01:00
debugfs.h
driver-ops.c wifi: mac80211: add ieee80211_vif_link_active() helper 2024-03-04 14:32:53 +01:00
driver-ops.h wifi: mac80211: mlme: handle cross-link CSA 2024-05-23 11:28:49 +02:00
drop.h wifi: mac80211: improve drop for action frame return 2024-03-25 15:39:28 +01:00
eht.c wifi: mac80211: add helpers to access sband iftype data 2023-06-14 11:57:29 +02:00
ethtool.c wifi: mac80211: ethtool: always hold wiphy mutex 2023-09-25 09:00:39 +02:00
fils_aead.c wifi: mac80211: Do not include crypto/algapi.h 2023-08-24 08:42:36 +02:00
fils_aead.h
he.c wifi: mac80211: correctly parse Spatial Reuse Parameter Set element 2024-05-29 15:35:12 +02:00
ht.c wifi: mac80211: send DelBA with correct BSSID 2024-05-23 11:46:37 +02:00
ibss.c wifi: mac80211: restrict public action ECSA frame handling 2024-06-26 10:21:44 +02:00
ieee80211_i.h wifi: mac80211: restrict public action ECSA frame handling 2024-06-26 10:21:44 +02:00
iface.c wifi: mac80211: refactor CSA queue block/unblock 2024-06-26 10:21:40 +02:00
Kconfig wifi: cfg80211/mac80211: remove dependency on non-existing option 2024-01-18 14:50:01 +01:00
key.c wifi: mac80211: add link id to ieee80211_gtk_rekey_add() 2024-03-04 14:31:28 +01:00
key.h wifi: mac80211: remove key_mtx 2023-09-11 11:27:22 +02:00
led.c leds: Change led_trigger_blink[_oneshot]() delay parameters to pass-by-value 2023-05-25 12:16:27 +01:00
led.h leds: Change led_trigger_blink[_oneshot]() delay parameters to pass-by-value 2023-05-25 12:16:27 +01:00
link.c wifi: mac80211: collect some CSA data into sub-structs 2024-05-23 11:28:51 +02:00
main.c wireless-next patches for v6.11 2024-06-10 17:40:26 -07:00
Makefile wifi: mac80211: move element parsing to a new file 2024-02-08 15:00:43 +01:00
mesh_hwmp.c wifi: mac80211: Replace ENOTSUPP with EOPNOTSUPP 2023-12-12 10:37:01 +01:00
mesh_pathtbl.c wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects 2024-05-29 15:17:03 +02:00
mesh_plink.c wifi: mac80211: simplify adding supported rates 2024-02-08 15:00:43 +01:00
mesh_ps.c wifi: mac80211: mesh: fix some kdoc warnings 2023-10-23 11:43:27 +02:00
mesh_sync.c wifi: mac80211: mesh: fix some kdoc warnings 2023-10-23 11:43:27 +02:00
mesh.c wifi: mac80211: restrict public action ECSA frame handling 2024-06-26 10:21:44 +02:00
mesh.h wifi: mac80211: split mesh fast tx cache into local/proxied/forwarded 2024-04-17 09:21:32 +02:00
michael.c
michael.h
mlme.c wifi: mac80211: restrict public action ECSA frame handling 2024-06-26 10:21:44 +02:00
ocb.c wifi: mac80211: flush only stations using requests links 2024-02-12 21:13:57 +01:00
offchannel.c wifi: mac80211: handle HW restart during ROC 2024-05-29 10:38:53 +02:00
parse.c wifi: mac80211: correct EHT EIRP TPE parsing 2024-06-12 12:25:54 +02:00
pm.c wifi: mac80211: remove sta_mtx 2023-09-11 11:27:22 +02:00
rate.c wifi: mac80211: don't use rate mask for scanning 2024-04-08 20:11:34 +02:00
rate.h wifi: mac80211: make ieee80211_check_rate_mask() link-aware 2022-07-15 11:43:21 +02:00
rc80211_minstrel_ht_debugfs.c
rc80211_minstrel_ht.c wifi: mac80211: remove shifted rate support 2023-09-13 11:22:16 +02:00
rc80211_minstrel_ht.h wifi: mac80211: minstrel_ht: remove unused has_mrr member from struct minstrel_priv 2022-10-07 15:25:05 +02:00
rx.c wifi: mac80211: handle color change per link 2024-05-03 10:18:19 +02:00
s1g.c wifi: mac80211: remove sta_mtx 2023-09-11 11:27:22 +02:00
scan.c wifi: mac80211: fix UBSAN noise in ieee80211_prep_hw_scan() 2024-05-29 15:58:54 +02:00
spectmgmt.c wifi: mac80211: restrict public action ECSA frame handling 2024-06-26 10:21:44 +02:00
sta_info.c wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup() 2024-05-29 15:19:55 +02:00
sta_info.h wifi: mac80211: add return docs for sta_info_flush() 2024-04-19 10:27:21 +02:00
status.c wifi: mac80211: add support for tearing down negotiated TTLM 2024-03-25 15:38:15 +01:00
tdls.c wifi: mac80211: remove TDLS peers only on affected link 2024-03-04 14:34:03 +01:00
tkip.c
tkip.h
trace_msg.h wifi: mac80211: remove unused MAX_MSG_LEN define 2024-02-08 12:50:09 +01:00
trace.c
trace.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
tx.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2024-04-25 12:41:37 -07:00
util.c wireless-next patches for v6.11 2024-06-10 17:40:26 -07:00
vht.c wifi: mac80211: track capability/opmode NSS separately 2024-03-04 14:25:27 +01:00
wbrf.c wifi: mac80211: Drop WBRF debugging statements 2024-01-26 10:43:33 +01:00
wep.c wifi: mac80211: remove RX_DROP_UNUSABLE 2023-09-26 09:16:42 +02:00
wep.h
wme.c wifi: mac80211: fix qos on mesh interfaces 2023-03-22 13:46:38 +01:00
wme.h wifi: mac80211: Drop support for TX push path 2022-10-10 11:06:14 +02:00
wpa.c wifi: mac80211: extend IEEE80211_KEY_FLAG_GENERATE_MMIE to other ciphers 2024-04-08 20:52:28 +02:00
wpa.h wifi: mac80211: remove cipher scheme support 2022-06-10 15:35:53 +02:00