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 434B02E628 for ; Mon, 10 Feb 2025 09:55:10 +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=1739181311; cv=none; b=kmVLPnWeuW3nOJpWTMpEeW/N2+9suui0vH+z//p09fi34HYux30f/8sUDpmoWSp2yb7pEb1UE5rNukkl3+ED5Gxxj7ybeKXaSN/bFOrZv1fYAoHrBt62Dn8LSY2q5RIi4rCECF8rkBbRvbIQmqYG4sWQ+2DhV5rbbo/Mu0mNUug= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739181311; c=relaxed/simple; bh=WnwaiUKed+7bA61mNNHwBp/N200H3X+Tbh6tQUzyvyw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XS+fx6s3JSLGIlkN4mkSswb70NSn/E3nAYkyQ9ufi1sqgjoJKtL+LWMgz/Yl6FKmwIX8NEaYN5XwUSQ2QB/2wSD3lWLayth1SBGm0kU03f4Ec4UjJe2VxBDEFhJUewwayjtVTZqoI3BQgf7Nsst2BOUlweUlKwAuqFRIFfl6GKs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cpIAlVyL; 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="cpIAlVyL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 318FEC4CED1; Mon, 10 Feb 2025 09:55:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739181310; bh=WnwaiUKed+7bA61mNNHwBp/N200H3X+Tbh6tQUzyvyw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cpIAlVyLxy3c9u6u8bG34qvRhaUOg/Y5wQF1joNaD649NmxdrJXJt3D2V/cJtSoHe wHmfat59IooX2cRT3yatV6Mzsg8h0pQyKgj2iSnTOBf4tYr0hv3gnngIRX2XnajDqe KM3CS8q7Et9yfMHOLuo8QcUtjAAXD19rKI+d6cG0= Date: Mon, 10 Feb 2025 10:55:07 +0100 From: Greg KH To: hsimeliere.opensource@witekio.com Cc: andrii@kernel.org, ast@kernel.org, bruno.vernay@se.com, stable@vger.kernel.org, xukuohai@huawei.com Subject: Re: [PATCH v2 6.1] bpf: Prevent tail call between progs attached to different hooks Message-ID: <2025021027-repaying-purveyor-9744@gregkh> References: <2025012138-quarrel-uneaten-83da@gregkh> <20250210094407.209620-1-hsimeliere.opensource@witekio.com> Precedence: bulk X-Mailing-List: stable@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: <20250210094407.209620-1-hsimeliere.opensource@witekio.com> On Mon, Feb 10, 2025 at 10:44:07AM +0100, hsimeliere.opensource@witekio.com wrote: > This patch is needed to correct CVE-2024-50063 What patch? I see no context here :( > https://nvd.nist.gov/vuln/detail/CVE-2024-50063 Never link to nvd, their "enhancements" are provably wrong and hurtful to the kernel ecosystem. Always just refer to cve.org records or better yet, our own announcements. That being said, why do you feel this commit is really needed in those older kernels other than just trying to meet a "check box" requirement somewhere? thanks, greg k-h