Re: CVE-Request -- Linux ASLR integer overflow

[Kees Cook <keescook () chromium org>]

On Fri, Feb 13, 2015 at 02:56:55PM +0100, Hector Marco wrote:
> Hi,
>
> It worth metion that the patch was already sent:
>
> https://lkml.org/lkml/2015/1/7/811

I've sent this patch again, after cleaning it up further:
https://lkml.org/lkml/2015/2/14/61

Thanks for working on this!

-Kees

> Hector Marco.
> http://hmarco.org
>
>
> El 13/02/15 a las 13:26, Hector Marco escribió:
> > Hi,
> >
> > A bug in Linux ASLR implementation for versions prior to 3.19-rc3 has
> > been found. The issue is that the stack for processes is not properly
> > randomized on some 64 bit architectures due to an integer overflow.
> >
> > Affected systems have reduced the stack entropy of the processes by four.
> >
> >
> > Details at:
> > http://hmarco.org/bugs/linux-ASLR-integer-overflow.html
> >
> >
> >
> > Could you please assign a CVE-ID for this?
> >
> >
> >
> > Hector Marco.
> > http://hmarco.org
> >
> > Cyber-security researcher at
> > http://cybersecurity.upv.es/
-- 
Kees Cook