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 4144B1B5EDA for ; Thu, 29 Aug 2024 16:58:34 +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=1724950715; cv=none; b=MXDWhpteFoFj/4aqBCQtqGXHkVVmqfXrlDCDcZmEbaGpRAT2aCHL+QmdZlyNBjD5WUkozmB2iy4RHRLy4BGR93ja+LnNtw29hTVDkMk0hXr54mrih7SyxJpzDZsRhlINfF4Ade1DwpRDUbinqNJa5ZvmQRQIn7aCz5izGu4+p3c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724950715; c=relaxed/simple; bh=pekwcQ8/RWaQOHU+/KJilF5YGUx4SDuVTZoD0o/aQH4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=H0r+dD6mOcAEj1x+Zy7waeshV3jfYZ8cnuAyNfpPnTOdhkmPCl66EDDno3QQjPajcsDT2QxXRCLcTvL9BhSaczS+Uquy2Hm16FmOk5neQAagU5G8m/Jchlw0CPSkQcAqqJvG8BKG7OybHWJh69FhgfIBg8O1YXZmBo3xvZ/A+wY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=RdakdhlT; 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="RdakdhlT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31FC5C4CEC1; Thu, 29 Aug 2024 16:58:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1724950714; bh=pekwcQ8/RWaQOHU+/KJilF5YGUx4SDuVTZoD0o/aQH4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=RdakdhlT6al2PPds7eU3pZzTu1GObu2GQlKFYGv6GZYfRswtVbMOFdz8v/qNSbwH8 E1P9wJoIO/nBIYCmWYNm8SUtqNHrILzpP6eTvJA3OBYqeLn7Eiq3PrwH1SfOlIS/DG 8SuoFvyyDSPOLNpwaRd4ZLBqrfTwHqGW3Xm1V2Lo= Date: Thu, 29 Aug 2024 18:58:31 +0200 From: Greg Kroah-Hartman To: Willem de Bruijn Cc: Michal =?iso-8859-1?Q?Koutn=FD?= , cve@kernel.org, linux-kernel@vger.kernel.org, Tao Liu Subject: Re: CVE-2022-48936: gso: do not skip outer ip header in case of ipip and net_failover Message-ID: <2024082958-distress-outmatch-ab28@gregkh> References: <2024082224-CVE-2022-48936-9302@gregkh> <2024082854-reassign-uniformed-2c2f@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Aug 29, 2024 at 12:53:34PM -0400, Willem de Bruijn wrote: > On Thu, Aug 29, 2024 at 12:18 PM Michal Koutný wrote: > > > > On Wed, Aug 28, 2024 at 09:30:08AM GMT, Greg Kroah-Hartman wrote: > > > > What is the security issue here? > > > > > > This was assigned as part of the import of the Linux kernel GSD entries > > > into CVEs as required by the CVE board of directors (hence the 2022 > > > date). If you don't feel this should be assigned a CVE, just let me > > > know and I will be glad to reject it. > > > > The address of original author bounces back. Willem, could you please > > help explaining context of the change? (~the questions in my previous > > message). > > I don't know why this has a CVE. > > The patch reports that the negative effect is a drop due to a corrupted packet. > > According to the CVE report this requires both user input with > virtio_net_hdr, which is privileged, and a tunnel device configured, > which again is privileged. > Ok, should it be rejected then? If so, just let me know. thanks, greg k-h