From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.netfilter.org (mail.netfilter.org [217.70.190.124]) (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 B63252AD00 for ; Sun, 11 Oct 2026 21:11:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.190.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791753122; cv=none; b=P789VRz9uhdphd/627UTud+TTCrI3KqIgA5z9xPJI1tdoRiPW6PbI1mk5smpE0Rkd5zovFWTGRqqmkx3dIaATYJmUN4L5XPEP3snPxmFN6nPx0NpnzWacJ8VHvmmsvGSXTqqZznlEjZpPX5i+5Z0GyZ3f4/KEoAvbRUr7UuamPg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791753122; c=relaxed/simple; bh=n/47r1WgI1z6thLDLbf4b4ETvdQPxrZDv/jggXkuR2M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cAtlIQpwVFYjxXjPK/PdGC/WGPf8VUPlfxAtkEod74zeWo6FG8eBW3tcSAauV/k866zoAHVRs/OTaRvW6YOQYPYGmuHyeAF5OP3epVuPcUVEqnbfq9fySR/KibxBPGGK19atBsOevIjOlmc5ggy9Huf0WEf/m1IzhKjdKf5YZnU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org; spf=pass smtp.mailfrom=netfilter.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b=Qm3UK/9V; arc=none smtp.client-ip=217.70.190.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=netfilter.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=netfilter.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=netfilter.org header.i=@netfilter.org header.b="Qm3UK/9V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netfilter.org; s=2025; t=1791753116; bh=n/47r1WgI1z6thLDLbf4b4ETvdQPxrZDv/jggXkuR2M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Qm3UK/9Vwro7ym5CDmiQerBaIDScviLIL7O8c21X+TcH7bb30z9Qu5av6Ge3Ys12e Uy4jYXP7+CMgSboZcPIGcw8nuaoJMOQe46YNfy4Av6xuw5ltNltbIL8f6lySeCLSqW i6Z4uGECkIRpRSFRjLDrYtSePv3kgAAhmDCZvh44A/8EJJ2FNuD0+VF8uW1Sz5e69c 9SEUrvs9DNXntxHKc1VQL7uyDUDHADYaTRKXGoOzGfOEifRDVrSlvGQNg9kwkgHZm0 7Ug5TGM4e5SZ3McvF1W+AM3cB0odZLaaolCJPmpALNxmmQ2RJzqHoJ99Ax113RRJzr F0Cw88Wa0c2Iw== Received: from netfilter.org (mail-agni [217.70.190.124]) by mail.netfilter.org (Postfix) with UTF8SMTPSA id CF1346005B; Sun, 11 Oct 2026 23:11:56 +0200 (CEST) Date: Sun, 11 Oct 2026 23:11:53 +0200 From: Pablo Neira Ayuso To: SaifAllah benMassaoud Cc: security@kernel.org, netfilter-devel@vger.kernel.org, Florian Westphal Subject: Re: [SECURITY] netfilter: nft_limit byte-rate bypass via unchecked u64 multiplication Message-ID: References: Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: On Sun, Oct 11, 2026 at 09:32:15PM +0100, SaifAllah benMassaoud wrote: > One question: why was this not considered a security issue from your side? This does not crash the kernel, this just does not work for this esoteric ratelimit that your LLM found.