diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2016-12-27 15:29:39 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-01-14 06:51:10 -0800 |
| commit | addecbfb2b2d861f15d677943b168b90af8d5a4c (patch) | |
| tree | 12f5db5b541b9ff48d5dd5445c9e74785cb4d8ba /sound/isa | |
| parent | 0236a0326d76722f27e2782e5c1840c9e81564f6 (diff) | |
mac80211: discard multicast and 4-addr A-MSDUs
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.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
Git-commit: ea720935cf6686f72def9d322298bf7e9bd53377
CRs-fixed: 1105600
Change-Id: I9ae3066872858748779999a89c4d983858d4a2d3
Signed-off-by: Rajeev Kumar Sirasanagandla <rsirasan@codeaurora.org>
Diffstat (limited to 'sound/isa')
0 files changed, 0 insertions, 0 deletions