| Date | Fri, 24 Jun 2011 08:12:41 -0400 | From | Paul Gortmaker <> | Subject | Re: [Stable-review] [34-longterm 224/247] fs/partitions/ldm.c: fix oops caused by corrupted partition table |
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On 11-06-23 07:14 PM, Ben Hutchings wrote: > On Thu, 2011-06-23 at 13:34 -0400, Paul Gortmaker wrote: >> From: Timo Warns <Warns@pre-sense.de> >> >> ------------------- >> This is a commit scheduled for the next v2.6.34 longterm release. >> If you see a problem with using this for longterm, please comment. >> ------------------- >> >> commit c340b1d640001c8c9ecff74f68fd90422ae2448a upstream. >> >> 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. > [...] > > This doesn't completely fix the possibility of a buffer overflow. You > also need commit cae13fe4cc3f24820ffb990c09110626837e85d4.
Thanks Ben, I will queue that up this morning.
Paul.
> > Ben. >
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