Found a bug in kernel 6.8 (Which Ubuntu 22.04.4 LTS is base on). What are my options?

There is a pretty annoying kernel bug https://bugzilla.kernel.org/show_bug.cgi?id=218881.It was fixed in kernel 6.9.7.

But my Ubuntu 22.04.4 LTS is on 6.8.0-40-generic.What options do I have?

So far I found:

1. Upgrade Ubuntu to 24.04 (just released, not sure if stable enough)
2. Upgrade kernel (from non-official repo only https://ubuntuhandbook.org/index.php/2023/08/install-latest-kernel-new-repository/#google_vignette)
3. Register a bug-report somewhere for 6.8.0-40-generic and wait for the patch (where ?)
4. Migrate to another linux distro (out of consideration)
5. Patch 6.8.0-40-generic by myself (far beyond my skills)

Am I missing something?