Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 16 Jan 2018 13:17:56 +0000
From:      Dave B <g8kbvdave@googlemail.com>
To:        freebsd-questions@freebsd.org
Subject:   Speculation & meldown. Nothing new!
Message-ID:  <76499e59-497e-bb96-7adc-4484da8197d4@googlemail.com>
In-Reply-To: <mailman.86.1516104007.66743.freebsd-questions@freebsd.org>
References:  <mailman.86.1516104007.66743.freebsd-questions@freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Here you go.  From SN show notes for episode 645, aired last week.

From:-  https://www.grc.com/sn/sn-645-notes.pdf   Page 12 of 13.


WhatWhat's Old is New Again...
1995: "The Intel 80x86 Processor Architecture: Pitfalls for Secure Systems."
https://pdfs.semanticscholar.org/2209/42809262c17b6631c0f6536c91aaf7756857.pdf
1995: on page 9 under section "4.2 Security Flaws": Item 6. Prefetching
may fetch otherwise
inaccessible instructions in Virtual 8086 mode. (From a paper in 1992!)
-- 25 years ago.


Enjoy.

Dave B.




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?76499e59-497e-bb96-7adc-4484da8197d4>