> I hope you are all aware of this kernel bug that can give root privilege:
>
> http://www.h-online.com/open/news/item/Hole-in-the-Linux-kernel-allows-root-access-850016.html
>
> This exploit will be fixed starting with kernels 2.6.32 and up
>
> An exploit might possibly be released today, so you might want to read
> these instructions (for Debian):
>
> http://wiki.debian.org/mmap_min_addr
>
> you can set the problamatic value to something other than 0 with:
>
> sysctl -w vm.mmap_min_addr="0"
>
> This will break the following packages (according to the debian Docs):
> -Dosemu running as user (other than root)
> -Wine with win16 binaries
> -Bitbake
> -qemu running as user (other than root)

Qemu works as user if you have a recent enough version.

I run
QEMU PC emulator version 0.10.50 (qemu-kvm-devel-88), Copyright (c) 
2003-2008 Fabrice Bellard

on kernels with a mmap_min_addr of 4096

I use Gentoo
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