From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28DE6C433F5 for ; Fri, 14 Jan 2022 12:39:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230379AbiANMjU (ORCPT ); Fri, 14 Jan 2022 07:39:20 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:40516 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229543AbiANMjU (ORCPT ); Fri, 14 Jan 2022 07:39:20 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 5C08EB825EE for ; Fri, 14 Jan 2022 12:39:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9069C36AE5; Fri, 14 Jan 2022 12:39:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1642163958; bh=VG/SAy0ieIHzhbajqVNYz1cTM73Cy+uDcT2R5qzNb7g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=f4inpeZTRG5EP8l+SkHbnoaWk0eZX2WOPCyq0tItfLTfUEZ/n75rebGZuS8GVaOgZ 2zAU7ITynmj1C3tuYlsO14bgfFVo6B6xDju48TUGDgNdCbGeVLTmhyLEwG/SndAI5x VGNHzoB8T4omDbSSdU95cnMGcat80bqv26nfK5GI= Date: Fri, 14 Jan 2022 13:39:15 +0100 From: Greg KH To: Lee Jones Cc: stable Subject: Re: [BACKPORT v4.14] bpf: fix truncated jump targets on heavy expansions Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, Jan 14, 2022 at 11:21:41AM +0000, Lee Jones wrote: > Could we please have this in linux-4.14.y as it fixes a CVE. > > https://lore.kernel.org/all/20180516234411.18122-1-daniel@iogearbox.net/ > > 050fad7c4534c ("bpf: fix truncated jump targets on heavy expansions") It does not apply cleanly, so we would need a backported version in order to be able to do this. Can you please provide one? thanks, greg k-h