From: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
To: Jiale Yao <yaojiale02@163.com>,
Jeff Johnson <jjohnson@kernel.org>,
Venkateswara Naralasetty <quic_vnaralas@quicinc.com>,
Govindaraj Saminathan <quic_gsamin@quicinc.com>,
Shashidhar Lakkavalli <slakkavalli@datto.com>,
Ganesh Sesetti <gseset@codeaurora.org>,
Manikanta Pubbisetty <quic_mpubbise@quicinc.com>,
linux-wireless@vger.kernel.org, ath11k@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] wifi: ath11k: Reject short management RX frames
Date: Fri, 6 Nov 2026 10:36:42 +0800 [thread overview]
Message-ID: <d8f645d3-6648-45cb-934e-1b232b0f6896@oss.qualcomm.com> (raw)
In-Reply-To: <20260926114037.3231795-1-yaojiale02@163.com>
On 9/26/2026 7:40 PM, Jiale Yao wrote:
> ath11k_pull_mgmt_rx_params_tlv() verifies that the firmware-reported frame
> length fits in the WMI event, but does not ensure that it can hold an IEEE
> 802.11 management header. It then sets skb->len to that reported length.
>
> ath11k_mgmt_rx_event() subsequently reads frame_control and other header
> fields without another length check. A firmware event with a short buf_len
> can therefore cause an out-of-bounds read.
>
> Reject frames shorter than a three-address IEEE 802.11 header before
> adjusting the skb to expose the frame.
>
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Signed-off-by: Jiale Yao <yaojiale02@163.com>
Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
next prev parent reply other threads:[~2026-11-06 2:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-26 11:40 Jiale Yao
2026-10-29 6:40 ` Vasanthakumar Thiagarajan
2026-11-06 2:36 ` Baochen Qiang [this message]
2026-11-06 15:40 ` Jeff Johnson
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