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Code Issues Releases Wiki Activity
linux-stable/net/mac80211
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Lorenzo Bianconi 3e8f7abcc3 wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration 
Fix possible out-of-bound access in ieee80211_get_rate_duration routine
as reported by the following UBSAN report:

UBSAN: array-index-out-of-bounds in net/mac80211/airtime.c:455:47
index 15 is out of range for type 'u16 [12]'
CPU: 2 PID: 217 Comm: kworker/u32:10 Not tainted 6.1.0-060100rc3-generic
Hardware name: Acer Aspire TC-281/Aspire TC-281, BIOS R01-A2 07/18/2017
Workqueue: mt76 mt76u_tx_status_data [mt76_usb]
Call Trace:
 <TASK>
 show_stack+0x4e/0x61
 dump_stack_lvl+0x4a/0x6f
 dump_stack+0x10/0x18
 ubsan_epilogue+0x9/0x43
 __ubsan_handle_out_of_bounds.cold+0x42/0x47
ieee80211_get_rate_duration.constprop.0+0x22f/0x2a0 [mac80211]
 ? ieee80211_tx_status_ext+0x32e/0x640 [mac80211]
 ieee80211_calc_rx_airtime+0xda/0x120 [mac80211]
 ieee80211_calc_tx_airtime+0xb4/0x100 [mac80211]
 mt76x02_send_tx_status+0x266/0x480 [mt76x02_lib]
 mt76x02_tx_status_data+0x52/0x80 [mt76x02_lib]
 mt76u_tx_status_data+0x67/0xd0 [mt76_usb]
 process_one_work+0x225/0x400
 worker_thread+0x50/0x3e0
 ? process_one_work+0x400/0x400
 kthread+0xe9/0x110
 ? kthread_complete_and_exit+0x20/0x20
 ret_from_fork+0x22/0x30

Fixes: db3e1c40cf ("mac80211: Import airtime calculation code from mt76")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-11-25 12:45:53 +01:00
..
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: fix multi-BSSID element parsing 2022-07-15 11:43:17 +02:00
agg-tx.c wifi: mac80211: expand ieee80211_mgmt_tx() for MLO 2022-07-22 14:28:35 +02:00
airtime.c wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration 2022-11-25 12:45:53 +01:00
cfg.c wifi: mac80211: prevent 4-addr use on MLDs 2022-09-03 16:57:34 +02:00
chan.c wifi: mac80211: isolate driver from inactive links 2022-09-06 10:12:44 +02:00
debug.h wifi: mac80211: debug: omit link if non-MLO connection 2022-07-15 11:43:14 +02:00
debugfs.c wifi: mac80211: optionally implement MLO multicast TX 2022-07-22 14:28:36 +02:00
debugfs.h
debugfs_key.c wifi: mac80211: reorg some iface data structs for MLD 2022-06-20 12:55:06 +02:00
debugfs_key.h
debugfs_netdev.c wifi: mac80211: implement link switching 2022-09-06 10:17:20 +02:00
debugfs_netdev.h
debugfs_sta.c wifi: mac80211: make sta airtime deficit field s32 instead of s64 2022-07-01 10:51:48 +02:00
debugfs_sta.h
driver-ops.c wifi: mac80211: isolate driver from inactive links 2022-09-06 10:12:44 +02:00
driver-ops.h wifi: mac80211: isolate driver from inactive links 2022-09-06 10:12:44 +02:00
eht.c wifi: cfg80211/mac80211: check EHT capability size correctly 2022-08-25 10:41:24 +02:00
ethtool.c wifi: mac80211: read ethtool's sta_stats from sinfo 2022-08-26 09:56:54 +02:00
fils_aead.c mac80211: fils: use cfg80211_find_ext_elem() 2021-10-21 17:01:16 +02:00
fils_aead.h
he.c wifi: mac80211: keep A-MSDU data in sta and per-link 2022-09-06 10:17:08 +02:00
ht.c wifi: mac80211: keep A-MSDU data in sta and per-link 2022-09-06 10:17:08 +02:00
ibss.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-09-01 12:58:02 -07:00
ieee80211_i.h wifi: mac80211: fix MBSSID parsing use-after-free 2022-10-10 09:50:23 +02:00
iface.c wifi: mac80211: netdev compatible TX stop for iTXQ drivers 2022-10-07 14:48:14 +02:00
Kconfig ath9k: fix build error with LEDS_CLASS=m 2021-01-28 09:29:34 +02:00
key.c wifi: mac80211: implement link switching 2022-09-06 10:17:20 +02:00
key.h wifi: mac80211: implement link switching 2022-09-06 10:17:20 +02:00
led.c mac80211: don't open-code LED manipulations 2021-06-23 11:29:12 +02:00
led.h mac80211: fix throughput LED trigger 2021-11-15 10:56:57 +01:00
link.c wifi: mac80211: implement link switching 2022-09-06 10:17:20 +02:00
main.c wifi: mac80211: fix memory free error when registering wiphy fail 2022-10-21 12:34:59 +02:00
Makefile wifi: mac80211: move link code to a new file 2022-09-03 17:02:25 +02:00
mesh.c wifi: mac80211: correct SMPS mode in HE 6 GHz capability 2022-08-26 09:56:36 +02:00
mesh.h mac80211: mesh: embedd mesh_paths and mpp_paths into ieee80211_if_mesh 2022-01-04 15:11:49 +01:00
mesh_hwmp.c wifi: mac80211: fix multi-BSSID element parsing 2022-07-15 11:43:17 +02:00
mesh_pathtbl.c wifi: mac80211: Fix ack frame idr leak when mesh has no route 2022-11-02 09:48:11 +01:00
mesh_plink.c wifi: mac80211: fix up link station creation/insertion 2022-07-15 11:43:23 +02:00
mesh_ps.c mac80211: mesh: fix potentially unaligned access 2021-09-23 13:25:09 +02:00
mesh_sync.c mac80211: mesh: clean up rx_bcn_presp API 2021-09-23 16:26:33 +02:00
michael.c
michael.h
mlme.c wifi: mac80211: remove/avoid misleading prints 2022-10-07 14:40:33 +02:00
ocb.c wifi: mac80211: fix up link station creation/insertion 2022-07-15 11:43:23 +02:00
offchannel.c wifi: mac80211: expand ieee80211_mgmt_tx() for MLO 2022-07-22 14:28:35 +02:00
pm.c mac80211: Prevent AP probing during suspend 2021-10-21 17:27:51 +02:00
rate.c wifi: mac80211: make ieee80211_check_rate_mask() link-aware 2022-07-15 11:43:21 +02:00
rate.h wifi: mac80211: make ieee80211_check_rate_mask() link-aware 2022-07-15 11:43:21 +02:00
rc80211_minstrel_ht.c treewide: use get_random_bytes() when possible 2022-10-11 17:42:58 -06:00
rc80211_minstrel_ht.h mac80211: minstrel_ht: support ieee80211_rate_status 2022-05-16 10:07:58 +02:00
rc80211_minstrel_ht_debugfs.c mac80211: minstrel_ht: show sampling rates in debugfs 2021-02-12 08:58:11 +01:00
rx.c Merge branch 'cve-fixes-2022-10-13' 2022-10-13 11:59:56 +02:00
s1g.c wifi: mac80211: Set TWT Information Frame Disabled bit as 1 2022-11-02 09:50:40 +01:00
scan.c treewide: use get_random_{u8,u16}() when possible, part 1 2022-10-11 17:42:58 -06:00
spectmgmt.c wifi: mac80211: separate out connection downgrade flags 2022-07-15 11:43:14 +02:00
sta_info.c wifi: mac80211: keep A-MSDU data in sta and per-link 2022-09-06 10:17:08 +02:00
sta_info.h wifi: mac80211: keep A-MSDU data in sta and per-link 2022-09-06 10:17:08 +02:00
status.c wifi: mac80211: don't start TX with fq->lock to fix deadlock 2022-09-27 10:29:04 +02:00
tdls.c wifi: mac80211: optionally implement MLO multicast TX 2022-07-22 14:28:36 +02:00
tkip.c
tkip.h
trace.c
trace.h wifi: mac80211: remove link_id parameter from link_info_changed() 2022-07-15 11:43:20 +02:00
trace_msg.h mac80211: tracing: Use the new __vstring() helper 2022-07-24 19:11:17 -04:00
tx.c wifi: mac80211: fix general-protection-fault in ieee80211_subif_start_xmit() 2022-11-02 09:46:11 +01:00
util.c Merge branch 'cve-fixes-2022-10-13' 2022-10-13 11:59:56 +02:00
vht.c wifi: mac80211: keep A-MSDU data in sta and per-link 2022-09-06 10:17:08 +02:00
wep.c
wep.h
wme.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-14 15:27:35 -07:00
wme.h
wpa.c wifi: use struct_group to copy addresses 2022-09-03 16:40:06 +02:00
wpa.h wifi: mac80211: remove cipher scheme support 2022-06-10 15:35:53 +02:00