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 16E462F3614; Tue, 14 Jul 2026 05:11:59 +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=1784005921; cv=none; b=XujYHIEV70Ab65gkz+CXoP47e6CMWy8rT1db/arAdzT9JnNapnUFjOC4bN7sbjalPeork5rHe/paC3P8XP1FgKD6dcedcPKHkiDe0L/RJ/FwkOv8FUYCYzh17N+RKND73drMiDzLhvyDMAEN2MRnGaRIZ5hUb5hC2lrDKADdzSw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784005921; c=relaxed/simple; bh=V+J5wcDt9BT4FocIidr/3kedEYLhbq3IG640h+4YwDw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oZ0902db+/ZQVVXOBcCS91NshD9Fb0g5gmIJDoahvT+GxZE115tZCEOrZHWoiE4lE3w+a4R1/Ne5lNaN7yfpa4L71Rxck+Ibri9Ic/k8jNpgOJ2Fs91p1Tzb9NKHEBB4IduHeR/yabI5m6Zgwapyu5ssICiOzZv+uWuTX8szlhw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=aG8KdQ8w; 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="aG8KdQ8w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D2CD1F000E9; Tue, 14 Jul 2026 05:11:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784005919; bh=9YQUitHq/d56p1N9YWz+5SWWA2J65cSwrWop/b6GfVk=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=aG8KdQ8wrhhEtGXaHTdZYpPLTNgdjLvwaaHENqvNG+lDQRxG6Kpk8uRU2aWybw+nC Xj0uo5jWQ7+7rQMj3qh2xXGQMsMb4g/f58MiD9GIpsxvrzlPxsSRk0Ees7F9VhlxLN hETgpwDVffluGJs4UjVHUxKgHcqVZmA448CvptJ8= Date: Tue, 14 Jul 2026 07:10:40 +0200 From: Greg Kroah-Hartman To: Jay Vadayath Cc: Johan Hovold , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [BUG] USB: serial: sierra: slab-out-of-bounds read in sierra_instat_callback() on short interrupt-IN packet Message-ID: <2026071453-reminder-ageless-dcea@gregkh> References: <20260714033729.11023-1-jkrshnmenon@gmail.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260714033729.11023-1-jkrshnmenon@gmail.com> On Mon, Jul 13, 2026 at 08:37:27PM -0700, Jay Vadayath wrote: > Hi, > > I found a slab-out-of-bounds read in drivers/usb/serial/sierra.c that > is reachable from a malicious USB device. Great, please send a patch for this, in a format we can apply, no need for the LLM-generated wall-of-text :) thanks, greg k-h