From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B122921A19; Thu, 30 May 2024 05:19:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717046383; cv=none; b=uB2MjRvk4k2KlYmI+S9AmSBieyK+72e5+h+1mv02jUo77eh9ZgFdk4KuBfNfAPeFuYX+nVVQUlO41nU/P3VsCVh9OEIMq6zKklqE4YaTe63A7oQhaUQaw6k2K33ahgYK+iL83Y8jXk6zdWnwSZPXzVkFDUg+9nCItGL5ZoLVOEM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717046383; c=relaxed/simple; bh=rpyQWYN7fUPwxcE/weiN+GT69RvOr0IH6WbgbFE8Qsg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=liCTEBrvZB7F1Jg0qD0EAsLupvbkpWkaZsjkRB3EBksQi7CG4vjBHl8tp9lh7Kq8WC3k9WxH6NLG6xJqd4n9RZjvcI8Uoao+twlRgvr0VMIMG2udBO8qK6QjlrVmYWsgUyJIjWYekakvYO2+57BOmnrgi2lPRwDAJjON1dcN9Ik= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=IDFzHnkO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="IDFzHnkO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B3A3C2BBFC; Thu, 30 May 2024 05:19:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1717046383; bh=rpyQWYN7fUPwxcE/weiN+GT69RvOr0IH6WbgbFE8Qsg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IDFzHnkOKmVe4tvq6TUzxugxifHCF7Jlc20xIh4vN8hocK2oNVPpb0i55Y6jEFobg vXJIxREjvxTwBYAXzGveL1om/e4WaPULNiQODUGW4qhlCgiTkbQVd73OCw3sLVWXx3 eCuNFHjOisizdktUAFIDR8HPZjOEDnaTDShDi6zE= Date: Thu, 30 May 2024 07:19:47 +0200 From: "gregkh@linuxfoundation.org" To: Kuzey Arda Bulut Cc: security@kernel.org, jirislaby@kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: Subject: [SECURITY] Vulnerability in Linux Kernel Message-ID: <2024053013-overdrawn-hydrant-d8d3@gregkh> References: <2024053036-villain-backlight-d92b@gregkh> Precedence: bulk X-Mailing-List: linux-serial@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: <2024053036-villain-backlight-d92b@gregkh> On Thu, May 30, 2024 at 07:19:02AM +0200, gregkh@linuxfoundation.org wrote: > On Wed, May 29, 2024 at 08:25:18PM +0300, Kuzey Arda Bulut wrote: > > Dear Linux Kernel Security Team, > > > > I have discovered a null-ptr-deref security vulnerability in tty driver in > > the Linux kernel. You can find the detailed descriptions of the > > vulnerability in report.md. > > > > If you have any questions or need further information, please do not > > hesitate to contact me. > > As the n_gsm is full of known issues by the developers, and the ldisc is > not allowed to be loaded by a non-root user, this isn't all that serious > of an issue. See this thread for a list of problems that I think you > might have already found here: > https://lore.kernel.org/r/DB9PR10MB5881D2170678C169FB42A423E0082@DB9PR10MB5881.EURPRD10.PROD.OUTLOOK.COM > > Note, 2 fixes have landed in 6.10-rc2 for this driver, can you verify if > these fix the issue you are reporting here? > > And do you have a proposed fix for this issue? Also, no need to let security@kernel.org know about this as you have also sent it to public mailing lists, and given the above thread disussion in public. thanks, greg k-h