oss-security - Re: CVE Request [was Re: kernel: execution possible in non-executable mappings in recent 2.6 kernels (SPARC only)]

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Date: Wed, 5 May 2010 10:58:05 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE Request [was Re: kernel:
 execution possible in non-executable mappings in recent 2.6 kernels (SPARC
 only)]

Please use CVE-2010-1451

Thanks.

-- 
    JB


----- "dann frazier" <dannf@...ian.org> wrote:

> On Wed, Feb 24, 2010 at 08:41:01AM +0800, Eugene Teo wrote:
> > http://marc.info/?l=linux-sparc&m=126662196902830&w=2
> > http://marc.info/?l=linux-sparc&m=126662159602378&w=2
> >
> > sparc64: Fix sun4u execute bit check in TSB I-TLB load.
> >
> > TSB I-tlb load code tries to use andcc to check the _PAGE_EXEC_4U
> bit,
> > but that's bit 12 so it gets sign extended all the way up to bit 63
> > and the test nearly always passes as a result.
> >
> > Use sethi to fix the bug.
> >
> > I'm not requesting a CVE for this as this does not affect any of our
>  
> > kernels. But just a heads-up for those not aware of this.
> 
> hey Steven,
>  Can we get a CVE allocated for this one?
> 
> -- 
> dann frazier

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