[Dapper] [CVE-2011-1017] [PATCH 1/1] fs/partitions/ldm.c: fix oops caused by corrupted partition table, CVE-2011-1017

Tim Gardner tim.gardner at canonical.com
Tue Apr 26 20:37:45 UTC 2011


On 04/26/2011 12:44 PM, Brad Figg wrote:
> From: Timo Warns<Warns at pre-sense.de>
>
> BugLink: http://bugs.launchpad.net/bugs/771382
>
> CVE-2011-1017
>
> The kernel automatically evaluates partition tables of storage devices.
> The code for evaluating LDM partitions (in fs/partitions/ldm.c) contains
> a bug that causes a kernel oops on certain corrupted LDM partitions.
> A kernel subsystem seems to crash, because, after the oops, the kernel no
> longer recognizes newly connected storage devices.
>
> The patch validates the value of vblk_size.
>
> [akpm at linux-foundation.org: coding-style fixes]
> Signed-off-by: Timo Warns<warns at pre-sense.de>
> Cc: Eugene Teo<eugeneteo at kernel.sg>
> Cc: Harvey Harrison<harvey.harrison at gmail.com>
> Cc: Richard Russon<rich at flatcap.org>
> Signed-off-by: Andrew Morton<akpm at linux-foundation.org>
> Signed-off-by: Linus Torvalds<torvalds at linux-foundation.org>
>
> (backported from commit c340b1d640001c8c9ecff74f68fd90422ae2448a)
> Signed-off-by: Brad Figg<brad.figg at canonical.com>

Where did you find a reference that this patch fixes CVE-2011-1017 ?

rtg
-- 
Tim Gardner tim.gardner at canonical.com



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