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(parent: 7dd111e) | patch
mac80211: check management frame header length
authorJohannes Berg <johannes.berg@intel.com>
Thu, 25 Oct 2012 22:33:36 +0000 (00:33 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Fri, 26 Oct 2012 20:52:41 +0000 (22:52 +0200)
commit4a4f1a5808c8bb0b72a4f6e5904c53fb8c9cd966
tree337243407a1d2240af23de94b042592311aaae63tree | snapshot (tar.gz zip)
parent7dd111e8ee10cc6816669eabcad3334447673236commit | diff
mac80211: check management frame header length

Due to pskb_may_pull() checking the skb length, all
non-management frames are checked on input whether
their 802.11 header is fully present. Also add that
check for management frames and remove a check that
is now duplicate. This prevents accessing skb data
beyond the frame end.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/rx.c diff | blob | blame | history