> > How about linux 4.9 below, are they compliant with 802.11 standard or not? > > They are compliant. > > > Would they need additional patches to mitigate the aggregation attack? > > They need the backport of "[PATCH 04/18] cfg80211: mitigate A-MSDU > aggregation attacks" to mitigate attacks. This patch has been backported > to 4.4: > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h= > v4.4.275&id=daea7ff51861cec93ff7f561095d9048b673b51f > > So if you take all the patches that have been backported to 4.4 you > should be OK. > > Cheers, > Mathy I get it now, thanks. Best regards, Zheng Yejian