linux-kernel - Re: [PATCH ath-next] wifi: ath12k: fix uaf in ath12k_core

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Message-Id: <174930744425.154748.15678214019639234293.b4-ty@oss.qualcomm.com>
Date: Sat, 07 Jun 2025 07:44:04 -0700
From: Jeff Johnson <jeff.johnson@....qualcomm.com>
To: jjohnson@...nel.org, Miaoqing Pan <miaoqing.pan@....qualcomm.com>
Cc: ath12k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH ath-next] wifi: ath12k: fix uaf in ath12k_core_init()


On Wed, 04 Jun 2025 13:52:50 +0800, Miaoqing Pan wrote:
> When the execution of ath12k_core_hw_group_assign() or
> ath12k_core_hw_group_create() fails, the registered notifier chain is not
> unregistered properly. Its memory is freed after rmmod, which may trigger
> to a use-after-free (UAF) issue if there is a subsequent access to this
> notifier chain.
> 
> Fixes the issue by calling ath12k_core_panic_notifier_unregister() in
> failure cases.
> 
> [...]

Applied, thanks!

[1/1] wifi: ath12k: fix uaf in ath12k_core_init()
      commit: f3fe49dbddd73f0155a8935af47cb63693069dbe

Best regards,
-- 
Jeff Johnson <jeff.johnson@....qualcomm.com>