Re: kernel update highly recommended

2009-12-09 Thread Nathanael D. Noblet

On 12/09/2009 11:14 AM, Kyle McMartin wrote:

Hi folks,

I'd highly recommend if you're running 2.6.31 or 2.6.32, that you update
to the latest kernel in the koji builds here:

http://koji.fedoraproject.org/koji/taskinfo?taskID=1864871
http://koji.fedoraproject.org/koji/taskinfo?taskID=1864876

They fix a rather severe security problem with ext4 caused by
insufficient permission checking by the ext4 ioctl code, allowing a
malicious local user to corrupt files. Note, the ioctl isn't currently
used by userspace, so if you build your own kernels, you can just nuke
the entire EXT4_IOC_MOVE_EXT ioctl case.

NOTE: This is only a problem if you're using EXT4, if you aren't, you're
safe.

I'll get these pushed out to stable asap, but I wanted to let folks know
just in case rawhide doesn't compose before the downtime.


This a rawhide only issue or F12 as well?

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Re: kernel update highly recommended

2009-12-09 Thread Bruno Wolff III
On Wed, Dec 09, 2009 at 11:20:02 -0700,
  "Nathanael D. Noblet"  wrote:
> 
> This a rawhide only issue or F12 as well?

It affects F12. You want the -166 kernel. However right now it is still
building. (I didn't check to see if some arches are done already.) The
updated kernel for rawhide has completed building.

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Re: kernel update highly recommended

2009-12-09 Thread Kyle McMartin
On Wed, Dec 09, 2009 at 11:20:02AM -0700, Nathanael D. Noblet wrote:
>> I'd highly recommend if you're running 2.6.31 or 2.6.32, that you update
>> to the latest kernel in the koji builds here:
>>
>> http://koji.fedoraproject.org/koji/taskinfo?taskID=1864871
>> http://koji.fedoraproject.org/koji/taskinfo?taskID=1864876
>>
> This a rawhide only issue or F12 as well?
>

It is indeed both, so there's a build there for each.

regards, Kyle

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Re: kernel update highly recommended

2009-12-09 Thread Bruno Wolff III
On Wed, Dec 09, 2009 at 12:23:50 -0600,
  Bruno Wolff III  wrote:
> On Wed, Dec 09, 2009 at 11:20:02 -0700,
>   "Nathanael D. Noblet"  wrote:
> > 
> > This a rawhide only issue or F12 as well?
> 
> It affects F12. You want the -166 kernel. However right now it is still
> building. (I didn't check to see if some arches are done already.) The
> updated kernel for rawhide has completed building.

The 686 step is not quite done yet, but eveything else is. You can grab
the rpms that are done by walking down into the tasks. The build will
probably be done in a few minutes though.

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Re: kernel update highly recommended

2009-12-09 Thread Christopher Brown
2009/12/9 Kyle McMartin :

> NOTE: This is only a problem if you're using EXT4, if you aren't, you're
> safe.

ReiserFS FTW!!! :)


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Christopher Brown

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