> -----Original Message-----
> From: Alexander Kanavin <[email protected]>
> Sent: Saturday, May 30, 2026 10:49 PM
> To: Marko, Peter (FT D EU SK BFS1) <[email protected]>
> Cc: Mark Hatle <[email protected]>; openembedded-
> [email protected]
> Subject: Re: [Openembedded-architecture] Stable version upgrades on OE stable
> branches
> 
> On Sat, 30 May 2026 at 22:30, Peter Marko via lists.openembedded.org
> <[email protected]> wrote:
> > The main problem with backporting CVEs to recipes without ptest is fact 
> > that it's
> impossible to verify the patch sideeffects.
> > Especially for a 3-4 year old component version, where there are several 
> > cherry-
> pick conflicts and some code paths are rewritten meanwhile.
> > Testing that CVE patch fixes a CVE is nice (assuming that exploit is at 
> > publicly
> available), however testing that nothing else got broken is crucial here.
> >
> > I certainly understand that tests can be unstable, however that can be 
> > solved be
> selectively skipping single testcases.
> > Personally, I'd love to see all ptests being backported as the confidence 
> > on CVE
> patches would be significantly boosted.
> 
> Doing 'security fixes' by backporting CVEs is a bad idea in the first
> place, because it means touching security critical code without any
> understanding of it, or having an idea whether the result is correct.
> Even if ptests pass, it's still very easy to get it wrong, and very
> difficult to verify it's correct.
> 
> I continue to hold the view that the industry needs to learn to
> upgrade its products to actual new upstream versions. In this case,
> how about updating to something like wrynose, which has all the most
> recent ptest additions since scarthgap/kirkstone/dunfell? What exactly
> makes it so difficult that usually no one even wants to entertain the
> idea and talk about it?

I do agree that 4 years is too long for patch backports in age of AI 
vulnerability search and CRA.
However, since the Yocto project does have a 4-year LTS policy, we need to deal 
with that timespan right now.
Or is there a plan to decrease the LTS maintenance window or to allow more 
version upgrades?

Peter

> 
> Alex
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