From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from jabberwock.ucw.cz (jabberwock.ucw.cz [46.255.230.98]) (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 92067634FE for ; Thu, 29 Feb 2024 10:06:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.255.230.98 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709201204; cv=none; b=c3o+/axlnSm8jWRL+Pp4zy6Lh5ajah/s1Orp7jQThduHpPOffgJFqAU8EXMg/XE5/bWNBohIV57svt6om84TmaF42wfEwZgeqVyRWK5w60zcerGq1+lLodFCjyB/KrN7fKwhr6E9o10iZtaYZ4fCpRli6CR/kWaNwW40C0O4+4E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709201204; c=relaxed/simple; bh=2Ijrm83CJqPfUxJ7UeLb8AF0yuIUcP5Kx05voKDJknk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=eUxt9axEe1ieDePBbr5eDk5ywJTh5pGpWXGB/UevGRxI1lwGCWxEtU8ziUmr0VMObv17DaQHx6BiVdLl+iq8zulvUz9lzSvMmfoEu9zddcDMADUK/mUb4Pc1h962DzcowbdfXIIWU9qSM0wSS4zUrq8+gQ9uD2CLGB94xIAQNzc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz; spf=pass smtp.mailfrom=ucw.cz; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b=GfUKnAHt; arc=none smtp.client-ip=46.255.230.98 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ucw.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ucw.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ucw.cz header.i=@ucw.cz header.b="GfUKnAHt" Received: by jabberwock.ucw.cz (Postfix, from userid 1017) id 5FC1E1C006B; Thu, 29 Feb 2024 11:00:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1709200810; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JejmsfzatcA+gHHSPLHgwEIVpgyudw52nGt83vec9dQ=; b=GfUKnAHt2uvUkG+YBnaR9jvDUXsofEVrrDxyv95ZzdhLDTO5LIgjE5MflGBTh7pLod6DJk RlrVICli0hgvQhsxsX3ckvyT1+6nsUI/Fuf5saskwFKyOtF5i2ePIOIbNrEZBsZy1/AlPU M/+lAsPqyH9hVMYrvTWkgVx4MptcY8k= Date: Thu, 29 Feb 2024 11:00:09 +0100 From: Pavel Machek To: Kees Cook Cc: Michal Hocko , Greg Kroah-Hartman , cve@kernel.org, linux-kernel@vger.kernel.org Subject: Re: CVE-2023-52451: powerpc/pseries/memhp: Fix access beyond end of drmem array Message-ID: References: <2024022257-CVE-2023-52451-7bdb@gregkh> <2024022639-wronged-grafted-6777@gregkh> <202402271029.FD67395@keescook> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="iT/0XFoxpI1nuUqC" Content-Disposition: inline In-Reply-To: <202402271029.FD67395@keescook> --iT/0XFoxpI1nuUqC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > > Does that mean that any potentially incorrect input provided by an admi= n is > > considered CVE now? >=20 > Yes. Have you seen what USER_NS does? There isn't a way to know how > deployments are using Linux, and this is clearly a "weakness" as defined > by CVE. It is better to be over zealous than miss things. Is it? What is happening now is DoS on anyone who tries to use CVE database... and on l-k users. How do I get CVE number for that? Pavel --=20 People of Russia, stop Putin before his war on Ukraine escalates. --iT/0XFoxpI1nuUqC Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRPfPO7r0eAhk010v0w5/Bqldv68gUCZeBVqQAKCRAw5/Bqldv6 8h+OAKCH++4jPiCiGylouvChUVfpnfx35ACeJ58XFUV/io46sBJajenSW4EpeQI= =RVwC -----END PGP SIGNATURE----- --iT/0XFoxpI1nuUqC--