From: "Perla, Enrico" <enrico.perla@intel.com>
To: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
"Reshetova, Elena" <elena.reshetova@intel.com>,
Andy Lutomirski <luto@kernel.org>, Jann Horn <jannh@google.com>,
Peter Zijlstra <peterz@infradead.org>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>, "tytso@mit.edu" <tytso@mit.edu>
Subject: RE: [RFC PATCH] x86/entry/64: randomize kernel stack offset upon system call
Date: Thu, 21 Feb 2019 09:35:43 +0000 [thread overview]
Message-ID: <5E269FBC3009974381A340959F3135C95C8FE7E1@hasmsx108.ger.corp.intel.com> (raw)
In-Reply-To: <CAGXu5jJSWf=CAij3_dxA9+n6+fWtt1MOT3dWD07vdkhrfC8bpQ@mail.gmail.com>
>
> It does seem that using a flaw to attack one's own registers is rather
> pointless. Maybe we'll eat our words, but for now, I'd agree.
>
You don't attack your own registers, you use them to load controlled data to the kernel and emulate structures or similar at any stage of an exploit, bypassing SMAP and co.
---------------------------------------------------------------------
INTEL CORPORATION ITALIA S.p.A. con unico socio
Sede: Milanofiori Palazzo E 4
CAP 20094 Assago (MI)
Capitale Sociale Euro 104.000,00 interamente versato
Partita I.V.A. e Codice Fiscale 04236760155
Repertorio Economico Amministrativo n. 997124
Registro delle Imprese di Milano nr. 183983/5281/33
Soggetta ad attivita' di direzione e coordinamento di
INTEL CORPORATION, USA
This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.
next prev parent reply other threads:[~2019-02-21 9:35 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 12:15 [RFC PATCH] Early version of thread stack randomization Elena Reshetova
2019-02-08 12:15 ` [RFC PATCH] x86/entry/64: randomize kernel stack offset upon system call Elena Reshetova
2019-02-08 13:05 ` Peter Zijlstra
2019-02-08 13:20 ` Reshetova, Elena
2019-02-08 14:26 ` Peter Zijlstra
2019-02-09 11:13 ` Reshetova, Elena
2019-02-09 18:25 ` Andy Lutomirski
2019-02-11 6:39 ` Reshetova, Elena
2019-02-11 15:54 ` Andy Lutomirski
2019-02-12 10:16 ` Perla, Enrico
2019-02-14 7:52 ` Reshetova, Elena
2019-02-19 14:47 ` Jann Horn
2019-02-20 22:20 ` Kees Cook
2019-02-21 6:37 ` Andy Lutomirski
2019-02-21 13:20 ` Jann Horn
2019-02-21 15:49 ` Andy Lutomirski
2019-02-20 22:15 ` Kees Cook
2019-02-20 22:53 ` Kees Cook
2019-02-21 23:29 ` Kees Cook
2019-02-27 11:03 ` Reshetova, Elena
2019-02-21 9:35 ` Perla, Enrico [this message]
2019-02-21 17:23 ` Kees Cook
2019-02-21 17:48 ` Perla, Enrico
2019-02-21 19:18 ` Kees Cook
2019-02-20 21:51 ` Kees Cook
2019-02-08 15:15 ` Peter Zijlstra
2019-02-09 11:38 ` Reshetova, Elena
2019-02-09 12:09 ` Greg KH
2019-02-11 6:05 ` Reshetova, Elena
2019-02-08 16:34 ` Andy Lutomirski
2019-02-20 22:03 ` Kees Cook
2019-02-08 21:28 ` Kees Cook
2019-02-11 12:47 ` Reshetova, Elena
2019-02-20 22:04 ` Kees Cook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5E269FBC3009974381A340959F3135C95C8FE7E1@hasmsx108.ger.corp.intel.com \
--to=enrico.perla@intel.com \
--cc=bp@alien8.de \
--cc=elena.reshetova@intel.com \
--cc=jannh@google.com \
--cc=keescook@chromium.org \
--cc=kernel-hardening@lists.openwall.com \
--cc=luto@amacapital.net \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.