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Re: kernel security bug #307900



On Mon, Jun 06, 2005 at 08:28:17AM +1000, Brian May wrote:
> >>>>> "Steve" == Steve Langasek <vorlon@debian.org> writes:

>     Steve> kernel-image packages built against 2.6.8-16 are available
>     Steve> in sarge for the past week or so for i386, alpha, and ia64.

> [...]

>     Steve> In light of the announcement at the beginning of May that
>     Steve> sarge is security-supported, I think it would be a good
>     Steve> idea for any DSAs issued over these holes to include
>     Steve> mention of the relevant kernel versions for i386 etc., so
>     Steve> that users who have upgraded earlier know that they need to
>     Steve> upgrade and reboot.

> I think it would also be a good idea if the change log in the
> kernel-image package could mention any DSAs fixed...

> The changelog I have says:

> --- cut ---

> I guess I am expected to cross reference this with the changelog of
> the kernel-source package.

Yeah, at this point that's the process.

> What is the "kernel-tree-2.6.8-16" package? Or is this an abbreviation
> for "kernel-tree-2.6.8" version "2.6.8-16"? Does this imply
> "kernel-source version 2.6.8-16"?

$ apt-cache show kernel-tree-2.6.8
Package: kernel-tree-2.6.8
Priority: optional
Section: devel
Installed-Size: 56
Maintainer: Debian kernel team <debian-kernel@lists.debian.org>
Architecture: all
Source: kernel-source-2.6.8
Version: 2.6.8-16
Provides: kernel-tree-2.6.8-1, kernel-tree-2.6.8-10, kernel-tree-2.6.8-11, kernel-tree-2.6.8-12, kernel-tree-2.6.8-13, kernel-tree-2.6.8-14, kernel-tree-2.6.8-15, kernel-tree-2.6.8-16, kernel-tree-2.6.8-2, kernel-tree-2.6.8-3, kernel-tree-2.6.8-4, kernel-tree-2.6.8-5, kernel-tree-2.6.8-6, kernel-tree-2.6.8-7, kernel-tree-2.6.8-8, kernel-tree-2.6.8-9
Depends: kernel-patch-debian-2.6.8 (= 2.6.8-16), kernel-source-2.6.8 (= 2.6.8-1) | kernel-source-2.6.8 (= 2.6.8-10) | kernel-source-2.6.8 (= 2.6.8-11) | kernel-source-2.6.8 (= 2.6.8-12) | kernel-source-2.6.8 (= 2.6.8-13) | kernel-source-2.6.8 (= 2.6.8-14) | kernel-source-2.6.8 (= 2.6.8-15) | kernel-source-2.6.8 (= 2.6.8-16) | kernel-source-2.6.8 (= 2.6.8-2) | kernel-source-2.6.8 (= 2.6.8-3) | kernel-source-2.6.8 (= 2.6.8-4) | kernel-source-2.6.8 (= 2.6.8-5) | kernel-source-2.6.8 (= 2.6.8-6) | kernel-source-2.6.8 (= 2.6.8-7) | kernel-source-2.6.8 (= 2.6.8-8) | kernel-source-2.6.8 (= 2.6.8-9)
<snip>

> Again, I think it would be much quicker, easier, and less prone to
> errors if the DSAs where mentioned in the relevant kernel-image-change
> too.

It would be prone to errors from kernel-image uploaders who aren't actually
keeping track of what has been fixed in the kernel source; at least if
there's an expectation that you have to look at the kernel-source, you
always know where you stand.  You could try cooking up some magic to
automatically incorporate particular changelog snippets in kernel-image, but
there's also the possibility of arch-specific security issues, so...

-- 
Steve Langasek
postmodern programmer

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