From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB0FC4ADD97; Mon, 19 Oct 2026 10:15:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792404946; cv=none; b=YCQF1cAgYy/hzyB6b2HlHwMkuxr+EV1ksoRhFzRv16cuwh9UOtyhelQYNusxwUgf9xyresqmeZMwHEgAp85XXwFNl4LlfLjpwVh/xNTo3TQ2VNSjM99ecHoBnIbP79saGS5ev1xYrcsQiDPjLOqY1mz9jc9uV/BFNPrd8+3xC64= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792404946; c=relaxed/simple; bh=oVg+/QN4ahp+6YuLherKAPfTwOpnNbmN/UlFcMinZEU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Ev9krN84t2X4CoAmkRldseAsE3A+RZcI2SBAJSPmacJaTg2aU3qyB5VNqw0KuKF4Rm9QY7mIBTcAisuFJqw2qXFxUQLfA5qLHmjp1aAgW1JMWNW6tl9O3dTzG9EVOqD0zfSAviyNEHESBeRwBsLAgMZ992OdMoGQGWZQE+TiIlc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Qj52vq9Z; arc=none smtp.client-ip=220.197.31.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Qj52vq9Z" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=7Q NTHl222Odz+iuzSYAd8BpJ/jJCkrSI/ZtcNY8a9as=; b=Qj52vq9Zmu0t4qiVVs W/TYA7GADVHjycDe94GBdwVKJhDYuKaMKPvsIN+SWiePVOj68GF6ajMJENFWH+ZW akHDyk8wF8X3TEBN0qCSs3fqSTH/R+TKVTVjaLwkN+u7Sfdu3kgTi/LnV+puFZbG Gx8rbKneDimqsVcRhT0W9AZSY= Received: from pc.localdomain (unknown []) by gzga-smtp-mtada-g0-0 (Coremail) with SMTP id _____wD3Hxax7dVq4twABQ--.41578S2; Mon, 19 Oct 2026 18:15:14 +0800 (CST) From: Jiale Yao To: Felix Fietkau , Lorenzo Bianconi , Ryder Lee , Shayne Chen , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , YF Luo , Chih-Min Chen , Money Wang , MeiChia Chiu , Bo Jiao , Peter Chiu , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Cc: Jiale Yao Subject: [PATCH 00/10] wifi: mt76: validate legacy MCU responses Date: Mon, 19 Oct 2026 18:14:55 +0800 Message-Id: <20261019101506.1926943-1-yaojiale02@163.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wD3Hxax7dVq4twABQ--.41578S2 X-Coremail-Antispam: 1Uf129KBjvdXoW7Wr47KF43uF45uFyDWrWUXFb_yoWkuFc_Zr 1qkrZxWr18GF4DKFW7ta4akry8A393Jr9rAryrtr45JwnrArWUCan7Kr45uFs3u3Wxtr42 yrsrCa48WrnIgjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRK5l15UUUUU== X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbCzRO38WrV7bOK-wAA3M Several mt7603, mt7615, and mt7915 MCU response paths trust firmware response sizes before reading receive descriptors, fixed fields, or arrays. A truncated response can therefore cause an out-of-bounds read. Validate the common response descriptors and each command-specific payload before accessing or removing data from the skb. Jiale Yao (10): wifi: mt76: mt7603: validate MCU response length wifi: mt76: mt7615: validate MCU response lengths wifi: mt76: mt7915: validate MCU response lengths wifi: mt76: mt7915: validate MURU statistics response wifi: mt76: mt7915: validate EEPROM response length wifi: mt76: mt7915: validate free-block response length wifi: mt76: mt7915: validate channel MIB response length wifi: mt76: mt7915: validate RX rate response length wifi: mt76: mt7915: validate WED TX statistics response wifi: mt76: mt7915: validate RF register response length .../net/wireless/mediatek/mt76/mt7603/mcu.c | 2 + .../net/wireless/mediatek/mt76/mt7615/mcu.c | 17 ++++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.c | 43 +++++++++++++++++-- 3 files changed, 59 insertions(+), 3 deletions(-) -- 2.34.1