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 148A413F43D for ; Thu, 29 Feb 2024 16:09:12 +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=1709222953; cv=none; b=Ahx8Nj5GaE1p+lucK1SAOx4IAApzSmYe+vu9PzF7haU34dbO0Lyben+VjfQCNcmoC8R/TjDpYmDGuEz/NHKPElKk5p8Fzhl++FQhz8bUAyJ8ceS8wJc5lXgeJM1Y8hkyh5nWp9M17wylWpNyxm7dSKXa3VbI6yPBhYN8CXFEolc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709222953; c=relaxed/simple; bh=B46J4uzHUgJuznz2HROPAX865HM+JUojwgXeecuRwQ4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PBkgLu7xKKOIOJXN857C+q5bOUyQPMxRXdS8VJJPLnu/ix40JhGNyC+CM8Pbuf4gSV0K9Vg1TPXbuj4DIkMPIwPBk78M9AAH380XwHw//DzMcAleUzQzcadeqUqxQCOR2JKwpDK3l6U53X5lRG6HnE0CR1lmmVGngspuEbj1qY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pbFHJlAs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pbFHJlAs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86E1EC433C7; Thu, 29 Feb 2024 16:09:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709222952; bh=B46J4uzHUgJuznz2HROPAX865HM+JUojwgXeecuRwQ4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pbFHJlAsZiqoeITfPabS31eKuzprLlvAKL81KrIstk0L9MPBkVlG50jgTB12pL1m4 IvhtSohR8x7shZxtr7ipMlz1GElIwd7CU8ZghsIPXUZ+JEzk3klVImTGCc4yF1DXud AXHmOQfv7Rh6gM/C8yhGWg7WMU2y6jkwXvwO+FtB8v6BFo/Z0c5kTaCr7mEdPylG+s /HKKYM+3DFGr4sIvDJ5wQOi7xj63Hq/8jEaEg16BIHdc68nAmDDHYzJrnKMp+1VakQ UzrXvK/MT7h9K2tXMa+ttYiKdV40XGH4svQAasO7dwpQyYZhnOJw9W7/JR7P4Twmg7 3QgC2gbQpOAzA== Date: Thu, 29 Feb 2024 11:09:12 -0500 From: Sasha Levin To: Jiri Kosina Cc: Greg Kroah-Hartman , Michal Hocko , Kees Cook , 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: <2024022639-wronged-grafted-6777@gregkh> <202402271029.FD67395@keescook> <202402280906.D6D5590DB@keescook> <2024022915-dissuade-grandson-ebd4@gregkh> <2024022913-borrower-resource-ecc9@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=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: On Thu, Feb 29, 2024 at 04:09:24PM +0100, Jiri Kosina wrote: >On Thu, 29 Feb 2024, Greg Kroah-Hartman wrote: > >> It's pretty trivial to get root on most of the "enterprise" kernels > >Wow, that's a very strong statement you are making here, and I'd now >really like to ask you to back that up with some real data. Is something like https://www.suse.com/security/cve/CVE-2023-52447.html a good example? -- Thanks, Sasha