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DATE 2018-08-01

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Key: archive Value: 2018-08-01

Key: id Value: 547369

MESSAGE
DATE 2018-08-27
FROM Ruben Safir
SUBJECT Re: [Hangout - NYLXS] Microkernel and Security
From hangout-bounces-at-nylxs.com Mon Aug 27 10:19:03 2018
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From: Ruben Safir
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Date: Mon, 27 Aug 2018 10:18:43 -0400
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Subject: Re: [Hangout - NYLXS] Microkernel and Security
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On 8/27/18 10:16 AM, Ruben Safir wrote:
> http://www.osnews.com/story/30657/The_jury_is_in_monolithic_OS_design_is_=
flawed
> =


http://ts.data61.csiro.au/publications/csiro_full_text/Biggs_LH_18.pdf

The Jury Is In: Monolithic OS Design Is Flawed
Microkernel-based Designs Improve Security
Simon Biggs,
Damon Lee,
Gernot Heiser
Data61, CSIRO
UNSW Sydney
gernot
.
heiser-at-data61
.
csiro
.
au
ABSTRACT
The security benefits of keeping a system=E2=80=99s trusted comput-
ing base (TCB) small has long been accepted as a truism, as
has the use of internal protection boundaries for limiting
the damage caused by exploits. Applied to the operating sys-
tem, this argues for a small microkernel as the core of the
TCB, with OS services separated into mutually-protected
components (servers) =E2=80=93 in contrast to =E2=80=9Cmonolithic=E2=80=9D =
designs
such as Linux, Windows or MacOS. While intuitive, the ben-
efits of the small TCB have not been quantified to date. We
address this by a study of critical Linux CVEs, where we
examine whether they would be prevented or mitigated by
a microkernel-based design. We find that almost all exploits
are at least mitigated to less than critical severity, and 40%
completely eliminated by an OS design based on a verified
microkernel, such as seL4.
ACM Reference Format:
Simon Biggs,
Damon Lee,
Gernot Heiser. 2018. The Jury Is
In: Monolithic OS Design Is Flawed: Microkernel-based Designs
Improve Security. In
9th Asia-Pacific Workshop on Systems (APSys
=E2=80=9918), August 27=E2=80=9328, 2018, Jeju Island, Republic of Korea.
ACM, New
York, NY, USA, 7 pages. https://doi
.
org/10
.
1145/3265723
.
3265733

-- =

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that Brooklyn, like Atlantis, reaches mythological
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http://www.mrbrklyn.com

DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
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