From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: greg@enjellic.com
Cc: Pavel Machek <pavel@ucw.cz>,
platform-driver-x86@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, Borislav Petkov <bp@suse.de>,
"David S. Miller" <davem@davemloft.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>,
Haim Cohen <haim.cohen@intel.com>, Ingo Molnar <mingo@kernel.org>,
Janakarajan Natarajan <Janakarajan.Natarajan@amd.com>,
Jim Mattson <jmattson@google.com>,
Kan Liang <Kan.liang@intel.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Kyle Huey <me@kylehuey.com>, Len Brown <len.brown@intel.com>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
"open list:FILESYSTEMS (VFS and infrastructure)"
<linux-fsdevel@vger.kernel.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Piotr Luc <piotr.luc@intel.com>,
Radim Kr??m???? <rkrcmar@redhat.com>,
Randy Dunlap <rdunlap@infradead.org>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tom Lendacky <thomas.lendacky@amd.com>,
Vikas Shivappa <vikas.shivappa@linux.intel.com>
Subject: Re: [PATCH v6 00/11] Intel SGX Driver
Date: Tue, 9 Jan 2018 16:25:06 +0200 [thread overview]
Message-ID: <20180109142506.u3mpwz6snmtitxp6@linux.intel.com> (raw)
In-Reply-To: <201801040906.w0496h39025733@wind.enjellic.com>
On Thu, Jan 04, 2018 at 03:06:43AM -0600, Dr. Greg Wettstein wrote:
> If we are talking about the issues motivating the KPTI work I don't
> have any useful information beyond what is raging through the industry
> right now.
>
> With respect to SGX, the issues giving rise to KPTI are characteristic
> of what this technology is designed to address. The technical 'news'
> sites, which are even more of an abomination then usual with this
> issue, are talking about privileged information such as credentials,
> passwords et.al being leaked by this vulnerability.
>
> Data committed to enclaves are only accessible by the enclave, even
> the kernel, by definition, can't access the memory. Given current
> events that is an arguably useful behavior.
Exactly. You could think adversary using meltdown leak utilizing malware
as having same capabilities as peripheral connected to a bus, which we
can defend against with SGX.
/Jarkko
next prev parent reply other threads:[~2018-01-09 14:25 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-04 9:06 Dr. Greg Wettstein
2018-01-09 14:25 ` Jarkko Sakkinen [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-01-09 21:50 Dr. Greg Wettstein
2018-01-10 16:16 ` Jarkko Sakkinen
2018-01-05 9:50 Dr. Greg Wettstein
2018-01-04 21:09 Dr. Greg Wettstein
2018-01-04 8:02 Dr. Greg Wettstein
2018-01-04 9:20 ` Christian Stroetmann
2018-01-03 0:59 Dr. Greg Wettstein
2018-01-03 2:00 ` Christian Stroetmann
2018-01-03 9:48 ` Pavel Machek
2017-12-27 10:30 Dr. Greg Wettstein
2017-12-27 20:46 ` Pavel Machek
2017-11-25 19:29 Jarkko Sakkinen
2017-12-12 14:07 ` Pavel Machek
2017-12-14 11:18 ` Jarkko Sakkinen
2017-12-19 23:33 ` Jarkko Sakkinen
2017-12-20 13:18 ` Jarkko Sakkinen
2018-01-04 14:17 ` Cedric Blancher
2018-01-04 14:27 ` Greg Kroah-Hartman
2018-01-04 19:18 ` Ozgur
2018-01-04 15:08 ` James Bottomley
2018-01-09 14:27 ` Jarkko Sakkinen
2018-02-08 8:46 ` Pavel Machek
2018-02-08 13:48 ` Jarkko Sakkinen
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=20180109142506.u3mpwz6snmtitxp6@linux.intel.com \
--to=jarkko.sakkinen@linux.intel.com \
--cc=Janakarajan.Natarajan@amd.com \
--cc=Kan.liang@intel.com \
--cc=bp@suse.de \
--cc=davem@davemloft.net \
--cc=greg@enjellic.com \
--cc=gregkh@linuxfoundation.org \
--cc=grzegorz.andrejczuk@intel.com \
--cc=haim.cohen@intel.com \
--cc=jmattson@google.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=len.brown@intel.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mchehab@kernel.org \
--cc=me@kylehuey.com \
--cc=mingo@kernel.org \
--cc=pavel@ucw.cz \
--cc=pbonzini@redhat.com \
--cc=piotr.luc@intel.com \
--cc=platform-driver-x86@vger.kernel.org \
--cc=rdunlap@infradead.org \
--cc=rkrcmar@redhat.com \
--cc=sean.j.christopherson@intel.com \
--cc=tglx@linutronix.de \
--cc=thomas.lendacky@amd.com \
--cc=vikas.shivappa@linux.intel.com \
--cc=x86@kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome