From: Chris Wedgwood <cw@f00f.org>
To: Jamie Lokier <lk@tantalophile.demon.co.uk>
Cc: Kurt Roeckx <Q@ping.be>, Russell King <rmk@arm.linux.org.uk>,
Vadim Lebedev <vlebedev@aplio.fr>,
linux-kernel@vger.kernel.org
Subject: Re: Potenitial security hole in the kernel
Date: Tue, 29 May 2001 19:35:40 +1200 [thread overview]
Message-ID: <20010529193540.A7029@metastasis.f00f.org> (raw)
In-Reply-To: <003601c0e7bf$41953080$0101a8c0@LAP> <20010529001256.F9203@flint.arm.linux.org.uk> <20010529013030.A3381@ping.be> <20010529014635.A3499@ping.be> <20010529023222.C6061@pcep-jamie.cern.ch>
In-Reply-To: <20010529023222.C6061@pcep-jamie.cern.ch>; from lk@tantalophile.demon.co.uk on Tue, May 29, 2001 at 02:32:23AM +0200
On Tue, May 29, 2001 at 02:32:23AM +0200, Jamie Lokier wrote:
By the way, the context stored on the stack is entirely a user
space context, however it does include some information from the
kernel that may be useful to user space, such as a page fault
address.
I actually (ab)used this for userspace paging with mprotect and
friends.... nasty hack :)
--cw
next prev parent reply other threads:[~2001-05-29 8:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-28 21:43 Potenitial security hole in the kernel Vadim Lebedev
2001-05-28 22:21 ` Philip Blundell
2001-05-28 22:26 ` Vadim Lebedev
2001-05-28 22:29 ` Kurt Roeckx
2001-05-28 22:30 ` Vadim Lebedev
2001-05-28 23:15 ` Kurt Roeckx
2001-05-28 22:44 ` Brett Frankenberger
2001-05-28 23:12 ` Russell King
2001-05-28 23:30 ` Kurt Roeckx
2001-05-28 23:46 ` Kurt Roeckx
2001-05-29 0:32 ` Jamie Lokier
2001-05-29 7:35 ` Chris Wedgwood [this message]
2001-05-29 10:14 ` Jamie Lokier
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