[PATCH v2] wifi: ath11k: fix use after free in ath11k_dp_rx_msdu_coalesce.
Rameshkumar Sundaram
rameshkumar.sundaram at oss.qualcomm.com
Tue May 5 21:12:00 PDT 2026
On 5/5/2026 10:47 PM, 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.
>
> Use flag for caching is_continuation for use after the
> dev_kfree_skb_any.
>
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Signed-off-by: Willmar Knikker <willmar at met-dubbel-l.nl>
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram at oss.qualcomm.com>
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