From: Rik van Riel <riel@redhat.com>
To: Kees Cook <keescook@chromium.org>, linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Borislav Petkov <bp@suse.de>,
Andy Lutomirski <luto@kernel.org>,
Mathias Krause <minipli@googlemail.com>,
linux-mm@kvack.org, kernel-hardening@lists.openwall.com,
David Windsor <dave@nullcore.net>
Subject: Re: [kernel-hardening] [PATCH v2 27/30] x86: Implement thread_struct whitelist for hardened usercopy
Date: Wed, 30 Aug 2017 14:55:05 -0400 [thread overview]
Message-ID: <1504119305.26846.78.camel@redhat.com> (raw)
In-Reply-To: <1503956111-36652-28-git-send-email-keescook@chromium.org>
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On Mon, 2017-08-28 at 14:35 -0700, Kees Cook wrote:
> This whitelists the FPU register state portion of the thread_struct
> for
> copying to userspace, instead of the default entire struct.
>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: x86@kernel.org
> Cc: Borislav Petkov <bp@suse.de>
> Cc: Andy Lutomirski <luto@kernel.org>
> Cc: Mathias Krause <minipli@googlemail.com>
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/processor.h | 8 ++++++++
> 2 files changed, 9 insertions(+)
>
Acked-by: Rik van Riel <riel@redhat.com>
--
All rights reversed
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next prev parent reply other threads:[~2017-08-30 18:55 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-28 21:34 [PATCH v2 00/30] Hardened usercopy whitelisting Kees Cook
2017-08-28 21:34 ` [PATCH v2 01/30] usercopy: Prepare for " Kees Cook
2017-08-28 21:34 ` [PATCH v2 02/30] usercopy: Enforce slab cache usercopy region boundaries Kees Cook
2017-08-28 21:34 ` [PATCH v2 03/30] usercopy: Mark kmalloc caches as usercopy caches Kees Cook
2017-08-28 21:34 ` [PATCH v2 04/30] dcache: Define usercopy region in dentry_cache slab cache Kees Cook
2017-08-28 21:34 ` [PATCH v2 05/30] vfs: Define usercopy region in names_cache slab caches Kees Cook
2017-08-28 21:34 ` [PATCH v2 06/30] vfs: Copy struct mount.mnt_id to userspace using put_user() Kees Cook
2017-08-28 21:34 ` [PATCH v2 07/30] ext4: Define usercopy region in ext4_inode_cache slab cache Kees Cook
2017-08-28 21:34 ` [PATCH v2 08/30] ext2: Define usercopy region in ext2_inode_cache " Kees Cook
2017-08-30 11:22 ` Jan Kara
2017-08-28 21:34 ` [PATCH v2 09/30] jfs: Define usercopy region in jfs_ip " Kees Cook
2017-08-28 21:34 ` [PATCH v2 10/30] befs: Define usercopy region in befs_inode_cache " Kees Cook
2017-08-29 10:12 ` Luis de Bethencourt
2017-08-29 15:36 ` Kees Cook
2017-08-29 17:10 ` Luis de Bethencourt
2017-08-28 21:34 ` [PATCH v2 11/30] exofs: Define usercopy region in exofs_inode_cache " Kees Cook
2017-08-28 21:34 ` [PATCH v2 12/30] orangefs: Define usercopy region in orangefs_inode_cache " Kees Cook
2017-08-28 21:34 ` [PATCH v2 13/30] ufs: Define usercopy region in ufs_inode_cache " Kees Cook
2017-08-28 21:34 ` [PATCH v2 14/30] vxfs: Define usercopy region in vxfs_inode " Kees Cook
2017-08-28 21:34 ` [PATCH v2 15/30] xfs: Define usercopy region in xfs_inode " Kees Cook
2017-08-28 21:49 ` Darrick J. Wong
2017-08-28 21:57 ` Kees Cook
2017-08-29 4:47 ` Darrick J. Wong
2017-08-29 18:48 ` Kees Cook
2017-08-29 19:00 ` Darrick J. Wong
2017-08-29 22:15 ` Dave Chinner
2017-08-29 22:25 ` Kees Cook
2017-08-29 8:14 ` Christoph Hellwig
2017-08-29 12:31 ` Dave Chinner
2017-08-29 12:45 ` Christoph Hellwig
2017-08-29 21:51 ` Dave Chinner
2017-08-30 7:14 ` Christoph Hellwig
2017-08-30 8:05 ` Dave Chinner
2017-08-30 8:33 ` Christoph Hellwig
2017-08-29 18:55 ` Kees Cook
2017-08-28 21:34 ` [PATCH v2 16/30] cifs: Define usercopy region in cifs_request " Kees Cook
2017-08-28 21:34 ` [PATCH v2 17/30] scsi: Define usercopy region in scsi_sense_cache " Kees Cook
2017-08-28 21:42 ` Bart Van Assche
2017-08-28 21:52 ` Kees Cook
2017-08-28 21:34 ` [PATCH v2 18/30] net: Define usercopy region in struct proto " Kees Cook
2017-08-28 21:35 ` [PATCH v2 19/30] ip: Define usercopy region in IP " Kees Cook
2017-08-28 21:35 ` [PATCH v2 20/30] caif: Define usercopy region in caif " Kees Cook
2017-08-28 21:35 ` [PATCH v2 21/30] sctp: Define usercopy region in SCTP " Kees Cook
2017-08-28 21:35 ` [PATCH v2 22/30] sctp: Copy struct sctp_sock.autoclose to userspace using put_user() Kees Cook
2017-08-28 21:35 ` [PATCH v2 23/30] net: Restrict unwhitelisted proto caches to size 0 Kees Cook
2017-08-28 21:35 ` [PATCH v2 24/30] fork: Define usercopy region in mm_struct slab caches Kees Cook
2017-08-30 19:29 ` [kernel-hardening] " Rik van Riel
2017-08-28 21:35 ` [PATCH v2 25/30] fork: Define usercopy region in thread_stack " Kees Cook
2017-08-30 18:55 ` [kernel-hardening] " Rik van Riel
2017-08-28 21:35 ` [PATCH v2 26/30] fork: Provide usercopy whitelisting for task_struct Kees Cook
2017-08-30 18:55 ` [kernel-hardening] " Rik van Riel
2017-08-28 21:35 ` [PATCH v2 27/30] x86: Implement thread_struct whitelist for hardened usercopy Kees Cook
2017-08-30 18:55 ` Rik van Riel [this message]
2017-08-28 21:35 ` [PATCH v2 28/30] arm64: " Kees Cook
2017-08-28 21:35 ` [PATCH v2 29/30] arm: " Kees Cook
2017-08-28 21:35 ` [PATCH v2 30/30] usercopy: Restrict non-usercopy caches to size 0 Kees Cook
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