From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 97AFA399003; Thu, 30 Jul 2026 16:01:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785427293; cv=none; b=Z5NvZA/nIPPcR8Ld1HI/5ZC9QHz7nBc7Vnbe79FNPuz9Sl57zzAwJxNJKi5bYuh6k4FO0/ftOF5Re2obRIZJvheuYtl9RcD8dI3HJ7DjKhjDWsNwN8Ss8vDhluNGpv27y+RoOyYc2lv8CKf/a+2fy5xE6RqzodByEvY9YKhYqD4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785427293; c=relaxed/simple; bh=TBp8ztSxrBStFA2C4BYpihrVYDUY69VSonn7jMXM00A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M7wvIjfEZTxqUPWUd/ml0G5HbwbzcZ2obF72I74HVgumiUvw7j9TaixpPpRCZ6zZaoGbHCexmGSgXLp1l2WdkefXvo0toXxx2+leoz/a85maeg6zN4g8eyBefOF7OLAXdjT83X6EwueMMqJKZqGtj8H86H9yLNRY4q7+gy0cdeM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cfzcrITN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="cfzcrITN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A89071F000E9; Thu, 30 Jul 2026 16:01:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1785427292; bh=hMsU0Qf+Rvic70cln/xoePCcgAGyzMzi+4iZIrgQ4CI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cfzcrITNozcXmzDTa6gELtVPDEZbEjr+cPnV/KgZ+y8vcByeV/mxTxLoxmjCfTk2d FoQpjZYlDl69Fe6biTOkRP5qpGvWfBfHo5NssOIRrU2qZteIFFDhIswQgOjYJVMep+ O2Xsew+DA23Sbrlz0VEqlPaPJu04CQk7b/Ymef14= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sashiko , Guenter Roeck , Sasha Levin Subject: [PATCH 6.6 118/484] hwmon: (corsair-cpro) Stop device IO before calling hid_hw_stop Date: Thu, 30 Jul 2026 16:10:15 +0200 Message-ID: <20260730141426.024189699@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260730141423.392222816@linuxfoundation.org> References: <20260730141423.392222816@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guenter Roeck [ Upstream commit 94c87871b051d7ad758828a805215a2ec194512a ] Calling hid_hw_stop() does not stop the device IO. This results in a race condition between hid_input_report() and the point immediately following the execution of hid_device_io_start() within the driver probe function. If the probe operation fails after "io start" has been initiated, this race condition will result in a UAF vulnerability. Fix the problem by calling hid_device_io_stop() before calling hid_hw_stop(). Reported-by: Sashiko Fixes: 40c3a44542257 ("hwmon: add Corsair Commander Pro driver") Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/corsair-cpro.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c index b37f36f55f88a5..096e187082b80a 100644 --- a/drivers/hwmon/corsair-cpro.c +++ b/drivers/hwmon/corsair-cpro.c @@ -558,6 +558,7 @@ static int ccp_probe(struct hid_device *hdev, const struct hid_device_id *id) out_hw_close: hid_hw_close(hdev); + hid_device_io_stop(hdev); out_hw_stop: hid_hw_stop(hdev); return ret; -- 2.53.0