package: fai-kernels
severity: important

Hi Thomas,

to make life easier for the security team(s) to provide security updates for 
the various kernel packages, please provide kernel-source-package with abi 
versions (2.4.27-3 not 2.4.27) in package description of fai-kernels (or in 
the name of the kernel-debs the package contains).

Log from #debian-boot:

<ths> vorlon: mips/mipsel kernel can also use nfs-root, and for i386 there are 
the FAI kernels. :-)
<vorlon> ths: <whine> what does the fai-kernels package contain?
<vorlon> this is the first time I've noticed this completely unversioned 
package name...
<vorlon> and the version number on the package is equally useless...
<ths> vorlon: Kernels for FAI installs. The NFS support is one of the main 
differences AFAIK.
<vorlon> ths: yes, but what source are they based on?
<ths> vorlon: Ask Thomas Lange what he did with it. :-)
<vorlon> I don't look forward to telling Joey that he has to provide security 
support for a kernel package that doesn't even bother telling people what 
kernel version it's based on...
<p2-mate> vorlon: they are only used for installation
<vorlon> p2-mate: but we still have to deal with remote vulns
<vorlon> ?
<ths> p2-mate: They could also be used for the running system, that's an admin 
decision.
<p2-mate> vorlon: I would assume people doing network installs not using 
internet connected networks for that
<ths> p2-mate: Every university pool does.
<Kamion> not a terribly safe assumption
<vorlon> p2-mate: ugh, that's the kind of assumption that leaves us with egg 
on our face.
<p2-mate> ths: that's a horribly bad idea
<Kamion> we just cannot get away with un-security-updated kernels nowadays
<Kamion> any scheme that assumes we can will break at some point
<Q_> p2-mate: amd64 does not have fai kernels in debian, it's i386 only.
<p2-mate> Q_: FAI has them
<h01ger> vorlon: you could file a bug against fai-kernels requesting kernel 
version number in the package name ;-) "but" the package contains a 2.4 and a 
2.6 kernel... at the moment, there are no fai-kernels for !i386 available in 
debian. (i have ppc ones, someone else for alpha, on the fai-homepage there 
is one for amd64...)
<h01ger> there are also patches to uses normal (aka debian default) kernels 
with initrds for fai - but this patch has not been applied. afaik also 
because not break anything so short before a release...
<h01ger> anyway, i really suggest talking to thomas lange about it...
<h01ger> vorlon,Kamion: so you would rather suggest fai-kernel-i386-2.4.27-3 
and fai-kernel-i386-2.6.8-x ?
<Kamion> h01ger: not bothered as long as the version number's clear and it's 
trivial for the security team to find out what's in it and to update
<Kamion> h01ger: although the package name should not change on each version; 
don't want to require NEW processing aall the time
<Kamion> -a
<ths> Kamion: I think the module ABI version should be included.
<ths> (I guess that's what -3, -x is.)
<Kamion> ah, ok, yeah, sure
<h01ger> fai-kernel contains two debs: kernel-image-2.4.27-fai_1_i386.deb and 
kernel-image-2.6.8-fai_1_i386.deb - afaik build from the corresponding kernel 
source packages - so is this enough ?
<Kamion> no, there's no indication of which kernel ABI those are, or which 
version, so we can't automatically tell whether they're security-updated
<Kamion> all that gives us is the upstream kernel version, which these days is 
next to useless
<h01ger> yes, sorry, i've messed the fai-number with the abi number..
<h01ger> i'll file a bug report - if you don't have allready. ok ?
<Kamion> h01ger: sure
<h01ger> vorlon: i'll file a bug today against fai-kernels requesting to name 
the kernel-source-package(s) with abi version in the description. mainly 
providing this irc log as bug description.

Also the package only depends on kernel-source-2.4.27 but not 2.6.8. Please 
also fix this. (If kernel-source-2.6.8 is installed, fai-kernels builds from 
source fine.) 


regards,
 Holger

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