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Date: Thu, 29 Apr 2010 15:23:37 -0400 (EDT)
From: Josh Bressers <bressers@...hat.com>
To: oss-security@...ts.openwall.com
Cc: Paul Gortmaker <paul.gortmaker@...driver.com>,
        +security-linux <security-linux@...driver.com>,
        Jason Wessel <jason.wessel@...driver.com>,
        Wu Fei <fei.wu@...driver.com>, coley <coley@...re.org>
Subject: Re: CVE request - Linux Kernel KGDB/ppc issue

Please use CVE-2010-1446 for this.

Thanks

-- 
    JB


----- "Hui Zhu" <hui.zhu@...driver.com> wrote:

> Hi All,
> 
> The problem is that if KGDB is enabled on a powerpc board, a
> test that checks if a page is user or kernel is bypassed.
> This means that a user can write to arbitrary kernel address space.
> 
> Upon further investigation, we found that kernels older than
> the v2.6.30-rc1 release have the same problem for non-booke
> ppc chips (74xx, 8641D), so we need two patches for kernels
> up to that date, and then one patch for ones after that date.
> 
> Thanks,
> Hui

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