From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.3]) (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 75020222590; Tue, 14 Jul 2026 13:16:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784034997; cv=none; b=eOtaL/KEFpAlqALhzxcMRAXk+o8sQGynLOuCW6l3joqVZOV89B0T2H8BHnH8Z3MNF0TovdK6PMziepETrvZRnbiauglQQ4UnGe286VvpdBHSgRQIw/5FWKk4bIN49YVmAqWkjlnDxyriiZxDEYU4sNlgGW3AIWNCqavhm/mR6g8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784034997; c=relaxed/simple; bh=c3WwKUMHC9ycRPZJ0pmTTs1Bs0LRbgfAYBGiLAH7z0E=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=nf7y9YPajTmyRykHlzvmx9zfOWWUcMTwsBW9tknDLICQAyER7L7eWhnDjczwAVmAo/PKrpEt+WFBt7a0/YucG7MkOonN2a6teai5NJX4wOFoCS1S4ACLjXiKdQ2Mf+A2U9YWu3TP2NaMJWL/aZM4IvfiAdKXQFi86raVCnO0EBU= 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=OwFo0qPi; arc=none smtp.client-ip=117.135.210.3 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="OwFo0qPi" 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=JA DpnXF70rh0Jigvj3HlU4HFNjBDDwY+BcJq/fY4IcA=; b=OwFo0qPivue/6Qq5SQ soVmgxAOmkfVvdHWS3/+fCeRuBSk+Z5i9zxIsNe4E4Z9WDXYpXl+lAtI3WEXbgZr +eYKSe10IBga6yblf7V58lyz+XHopiDzA1WZBdjqT19kO4KGJtXbs6AuBOqkp3yK 8eYXYxfyL6TFxVe4UkUg8QGgw= Received: from pc.localdomain (unknown []) by gzga-smtp-mtada-g0-3 (Coremail) with SMTP id _____wDHhdSdNlZqMIoQJg--.20750S3; Tue, 14 Jul 2026 21:16:16 +0800 (CST) From: Jiale Yao To: Jiri Kosina , Benjamin Tissoires , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jiale Yao Subject: [PATCH 2/4] HID: corsair-void: fix out-of-bounds read in corsair_void_raw_event Date: Tue, 14 Jul 2026 21:16:09 +0800 Message-Id: <20260714131611.269929-2-yaojiale02@163.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260714131611.269929-1-yaojiale02@163.com> References: <20260714131611.269929-1-yaojiale02@163.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:_____wDHhdSdNlZqMIoQJg--.20750S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrKr17ZryfJw47KrWrGrWfKrg_yoWfuFgE9w 18Ja1DJrsrJa4Svr1kJw45Zry5Aa18ZF1fXF13t3sIqrZrZ3W5XFWqqr43GFZxurn3Jas7 Ar98XFn2v397KjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xR-YFwDUUUUU== X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbCzQDlIGpWNqDbuQAA3A Both the STATUS_REPORT and FIRMWARE_REPORT paths access data[4]. Add a size < 5 guard before the report dispatch. Assisted-by: Claude:deepseek-v4-pro Signed-off-by: Jiale Yao --- drivers/hid/hid-corsair-void.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hid/hid-corsair-void.c b/drivers/hid/hid-corsair-void.c index 5e9a5b8f7f16..7c5435de6aae 100644 --- a/drivers/hid/hid-corsair-void.c +++ b/drivers/hid/hid-corsair-void.c @@ -740,6 +740,8 @@ static int corsair_void_raw_event(struct hid_device *hid_dev, struct corsair_void_drvdata *drvdata = hid_get_drvdata(hid_dev); bool was_connected = drvdata->connected; + if (size < 5) + return 0; /* Description of packets are documented at the top of this file */ if (hid_report->id == CORSAIR_VOID_STATUS_REPORT_ID) { drvdata->mic_up = FIELD_GET(CORSAIR_VOID_MIC_MASK, data[2]); -- 2.34.1