Hi, Cross-posting to openwrt-devel because we are backporting the necessary fixes.
On 12-08-20, Jouni Malinen wrote:
> On Wed, Aug 12, 2020 at 11:17:47AM +0200, Toke H?iland-J?rgensen wrote:
> > Pali Roh?r <pali at kernel.org> writes:
> > > Could somebody react and provide some details when fixes would be
> > > available for ath9k and ath10k Linux drivers? And what is current state
> > > of this issue for Linux?
> > >
> > > I'm looking at ath9k and ath10k git trees [1] [2] [3] and I do not see
> > > there any change which could be related to CVE-2020-3702.
> >
> > How about these, from March:
> >
> > a0761a301746 ("mac80211: drop data frames without key on encrypted links")
> > ce2e1ca70307 ("mac80211: Check port authorization in the
> > ieee80211_tx_dequeue() case")
> > b16798f5b907 ("mac80211: mark station unauthorized before key removal")
>
> Those cover most of the identified issues for drivers using mac80211
> (e.g., ath9k and ath10k; though, I don't remember whether I actually
> ever managed to reproduce this with ath10k in practice). I have couple
> of additional ath9k-specific patches that cover additional lower layer
> paths for this. I hope to get those out after confirming they work with
> the current kernel tree snapshot.
I could find linux-stable backports for ce2e1ca70307 and b16798f5b907, but
not for a0761a301746. Is it intended? From the commit message, it looks
like it does fix an important issue.
Also, for the sake of completeness, this subsequent commit is also related
to CVE-2020-3702 (and already backported):
5981fe5b0529 ("mac80211: fix misplaced while instead of if")
Thanks,
Baptiste
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