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linux-stable/net/wireless
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Johannes Berg f88eb7c0d0 nl80211: validate beacon head 
We currently don't validate the beacon head, i.e. the header,
fixed part and elements that are to go in front of the TIM
element. This means that the variable elements there can be
malformed, e.g. have a length exceeding the buffer size, but
most downstream code from this assumes that this has already
been checked.

Add the necessary checks to the netlink policy.

Cc: stable@vger.kernel.org
Fixes: ed1b6cc7f8 ("cfg80211/nl80211: add beacon settings")
Link: https://lore.kernel.org/r/1569009255-I7ac7fbe9436e9d8733439eab8acbbd35e55c74ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-10-01 17:56:18 +02:00
..
certs cfg80211: ship certificates as hex files 2017-12-19 09:28:01 +01:00
.gitignore cfg80211: implement regdb signature checking 2017-10-11 14:24:24 +02:00
ap.c cfg80211: call disconnect_wk when AP stops 2019-02-01 11:12:50 +01:00
chan.c nl80211: Add support for EDMG channels 2019-08-21 11:07:35 +02:00
core.c cfg80211: always shut down on HW rfkill 2019-09-11 09:13:26 +02:00
core.h cfg80211: always shut down on HW rfkill 2019-09-11 09:13:26 +02:00
debugfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ethtool.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ibss.c cfg80211: ibss: use 11a mandatory rates for 6GHz band operation 2019-08-21 10:54:57 +02:00
Kconfig lib80211: use crypto API ccm(aes) transform for CCMP processing 2019-07-26 13:22:47 +02:00
lib80211.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
lib80211_crypt_ccmp.c lib80211: use crypto API ccm(aes) transform for CCMP processing 2019-07-26 13:22:47 +02:00
lib80211_crypt_tkip.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
lib80211_crypt_wep.c Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2019-07-08 20:57:08 -07:00
Makefile wireless: Skip directory when generating certificates 2019-05-14 10:27:57 +02:00
mesh.c nl80211: Add SOCKET_OWNER support to JOIN_MESH 2018-03-29 10:38:24 +02:00
mlme.c cfg80211: Report Association Request frame IEs in association events 2019-02-22 13:35:09 +01:00
nl80211.c nl80211: validate beacon head 2019-10-01 17:56:18 +02:00
nl80211.h cfg80211: Report Association Request frame IEs in association events 2019-02-22 13:35:09 +01:00
ocb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
of.c cfg80211: support ieee80211-freq-limit DT property 2017-01-06 14:01:13 +01:00
pmsr.c cfg80211: report measurement start TSF correctly 2019-06-14 15:46:33 +02:00
radiotap.c
rdev-ops.h cfg80211: add support to probe unexercised mesh link 2019-04-26 13:02:11 +02:00
reg.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-08-27 14:23:31 -07:00
reg.h cfg80211: restore regulatory without calling userspace 2019-02-11 15:46:29 +01:00
scan.c cfg80211: fix duplicated scan entries after channel switch 2019-07-29 16:23:13 +02:00
sme.c cfg80211: Handle bss expiry during connection 2019-05-28 09:35:39 +02:00
sysfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 432 2019-06-05 17:37:16 +02:00
sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c
trace.h cfg80211: add 6GHz in code handling array with NUM_NL80211_BANDS entries 2019-08-21 10:54:12 +02:00
util.c We have a number of changes, but things are settling down: 2019-09-11 14:57:17 +01:00
wext-compat.c cfg80211: always shut down on HW rfkill 2019-09-11 09:13:26 +02:00
wext-compat.h treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
wext-core.c net: Don't take rtnl_lock() in wireless_nlevent_flush() 2018-03-29 13:47:53 -04:00
wext-priv.c
wext-proc.c proc: introduce proc_create_net{,_data} 2018-05-16 07:24:30 +02:00
wext-sme.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wext-spy.c