From: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
To: Willmar Knikker <willmar@met-dubbel-l.nl>, jjohnson@kernel.org
Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH] wifi: ath11k: fix use after free in ath11k_dp_rx_msdu_coalesce.
Date: Tue, 5 May 2026 08:13:25 -0700 [thread overview]
Message-ID: <693b4d59-d92f-4c07-b060-1c520419e181@oss.qualcomm.com> (raw)
In-Reply-To: <20260505143025.234292-1-willmar@met-dubbel-l.nl>
On 5/5/2026 7:30 AM, Willmar Knikker wrote:
> In ath11k_dp_rx_msdu_coalesce the loop uses ->is_continuation after
> the dev_kfree_skb_any. This can cause a use after free kfence.
>
> Move the use after the dev_kfree_skb_any after use of ->is_continuation
> inline with the while in the while loop above this one.
>
> Signed-off-by: Willmar Knikker <willmar@met-dubbel-l.nl>
This issue is present since day 1...
Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
prev parent reply other threads:[~2026-05-05 15:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 14:30 [PATCH] wifi: ath11k: fix use after free in ath11k_dp_rx_msdu_coalesce Willmar Knikker
2026-05-05 15:08 ` Jeff Johnson
2026-05-05 16:38 ` Rameshkumar Sundaram
2026-05-05 16:53 ` Willmar Knikker
2026-05-12 2:55 ` Baochen Qiang
2026-05-05 15:13 ` Jeff Johnson [this message]
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