Re: [Security-Discuss] updated glibc to be compatible with _what_ new kernels

> From: Stew Benedict <sbenedict-4qZELD6FgxhWk0Htik3J/[email protected]>
> Subject: Re: [Security-Discuss] updated glibc to be compatible with _what_
> new kernels
>
> On Wed, 11 Oct 2006, Robert M. Riches Jr. wrote:
>
> > Advisory MDKA-2006:037, including
> > 2006.0/i586/glibc-2.3.6-4.1.20060mdk.i586.rpm, says the
> > following:
> > 
> >     Updated glibc packages are being provided to ensure
> >     that kernel and user-space tools are in sync. This
> >     update also fixes a bug present on x86_64 platforms
> >     where strncmp() is mis-optimized.
> > 
> > _What_ new kernels need the new glibc?  Is it the kernel update
> > from a few weeks ago, 2.6.12-25mdk?  Or, is it a new kernel not
> > yet visible in the updates list?
> > 
>
> A kernel update that is going out now.  We were waiting for communication 
> from QA before releasing it. Sorry about the confusion.

Thanks for the info.

It will be helpful if the info about the kernel update has
more detail on the (in)compatibility issues between the old
and new glibc and kernel.  Specifically, the normal strategy
for a kernel update is to leave the old kernel installed as
a fallback in case of problems with the new one (as in the
DoS bug in -23 and -24).  If it turns out that the new
kernel won't work with the old glibc, and the old kernel
won't work with the new glibc, that would eliminate the
option of switching between old and new kernels.

Robert Riches
[email protected]
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