From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Nazar Kalashnikov <sivartiwe@gmail.com>
Cc: stable@vger.kernel.org,
Miri Korenblit <miriam.rachel.korenblit@intel.com>,
Kalle Valo <kvalo@kernel.org>,
Johannes Berg <johannes.berg@intel.com>,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
Gregory Greenman <gregory.greenman@intel.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, Luca Coelho <luciano.coelho@intel.com>,
Kalle Valo <kvalo@codeaurora.org>,
lvc-project@linuxtesting.org
Subject: Re: [PATCH 5.15/6.1/6.6/6.12] wifi: iwlwifi: fix 22000 series SMEM parsing
Date: Tue, 16 Jun 2026 09:49:47 +0530 [thread overview]
Message-ID: <2026061636-alike-triumph-743d@gregkh> (raw)
In-Reply-To: <20260615122100.137560-1-sivartiwe@gmail.com>
On Mon, Jun 15, 2026 at 03:20:58PM +0300, Nazar Kalashnikov wrote:
> From: Johannes Berg <johannes.berg@intel.com>
>
> commit 58192b9ce09b0f0f86e2036683bd542130b91a98 upstream.
>
> If the firmware were to report three LMACs (which doesn't
> exist in hardware) then using "fwrt->smem_cfg.lmac[2]" is
> an overrun of the array. Reject such and use IWL_FW_CHECK
> instead of WARN_ON in this function.
>
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
> Link: https://patch.msgid.link/20251110150012.16e8c2d70c26.Iadfcc1aedf43c5175b3f0757bea5aa232454f1ac@changeid
> Signed-off-by: Nazar Kalashnikov <sivartiwe@gmail.com>
> ---
> Backport fix for CVE-2026-43172
> drivers/net/wireless/intel/iwlwifi/fw/smem.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
This breaks the build, how did you test it?
thanks,
greg k-h
prev parent reply other threads:[~2026-06-16 4:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-15 12:20 [PATCH 5.15/6.1/6.6/6.12] wifi: iwlwifi: fix 22000 series SMEM parsing Nazar Kalashnikov
2026-06-16 4:19 ` Greg Kroah-Hartman [this message]
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