[Leaplist] major bug found in Linux to give root access tountrusted users...

[Edward Guldemond]

On Thu, Nov 5, 2009 at 5:45 PM, Craig "Fuzzy" Conner
<fuznacious at gmail.com> wrote:
>> Pretty much the only systems that seem to be affected
>> are those that have WINE installed and if the package
>> reconfigures the tunable when it is installed.
>
> Using Fedora 11's stock 2.6.30.9-90.fc11.i586 and wine-1.1.29...  Both
> from Fedora repos, and:
>
> [~]$ sysctl -n vm.mmap_min_addr
> 65536

From http://wiki.debian.org/mmap_min_addr:
>Only Win16 binaries require the ability to mmap low addresses,
>Win32 binaries do not. It is recommended that you test your
>application with the increase mmap_min_addr setting. If the
>application starts up without issue, then you should not need to
>remove the mmap_min_addr restriction.

I would imagine that Win16 apps need this for the same reason that
dosemu needs this.  Complete conjecture on my part though.

-- 
Ed

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