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From:   Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com>
To:     Pali =?utf-8?Q?Roh=C3=A1r?= <pali@kernel.org>,
        ath10k@lists.infradead.org, ath9k-devel@qca.qualcomm.com,
        linux-wireless@vger.kernel.org, Kalle Valo <kvalo@codeaurora.org>
Subject: Re: CVE-2020-3702: Firmware updates for ath9k and ath10k chips
In-Reply-To: <20200812083600.6zxdf5pfktdzggd6@pali>
References: <20200810090126.mtu3uocpcjg5se5e@pali> <20200812083600.6zxdf5pfktdzggd6@pali>
Date:   Wed, 12 Aug 2020 11:17:47 +0200
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Pali Roh=C3=A1r <pali@kernel.org> writes:

> On Monday 10 August 2020 11:01:26 Pali Roh=C3=A1r wrote:
>> Hello!
>>=20
>> ESET engineers on their blog published some information about new
>> security vulnerability CVE-2020-3702 in ath9k wifi cards:
>> https://www.welivesecurity.com/2020/08/06/beyond-kr00k-even-more-wifi-ch=
ips-vulnerable-eavesdropping/
>>=20
>> According to Qualcomm security bulletin this CVE-2020-3702 affects also
>> some Qualcomm IPQ chips which are handled by ath10k driver:
>> https://www.qualcomm.com/company/product-security/bulletins/august-2020-=
security-bulletin#_cve-2020-3702
>>=20
>> Kalle, could you or other people from Qualcomm provide updated and fixed
>> version of ath9k and ath10k firmwares in linux-firmware git repository?
>>=20
>> According to Qualcomm security bulletin this issue has Critical security
>> rating, so I think fixed firmware files should be updated also in stable
>> releases of linux distributions.
>
> Hello!
>
> Qualcomm has already sent following statement to media:
>
>     Qualcomm has already made mitigations available to OEMs in May 2020,
>     and we encourage end users to update their devices as patches have
>     become available from OEMs.
>
> And based on information from ESET blog post, Qualcomm's proprietary
> driver for these wifi cards is fixed since Qualcomm July release.
>
> 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_deque=
ue() case")
b16798f5b907 ("mac80211: mark station unauthorized before key removal")

-Toke