archived version of older kernel-core packages?

[ggc9s]

The project I am working for seems to require certain version of kernel build numbersi.e.
Once I do yum update -y; it seems to upgrade kernel-core consisting of all kernel boot files to latest build, currently at 5.14.x-425.
This appears to break certain build.
So I chase down the mirror http for repo and found those are available: https://centos.anexia.at/centos-stream/ ... /Packages/
build from 407 to 425 at the time of this posting with 5 count of releases.
But when you install centos iso initially the build number was somewhere around 2xx number. That seems to be gone while you do a "yum update".
I am assuming those are due to centos, when compared to RHEL, incremental updates. Where I presume in RHEL build No. will stay the same.

Now the question, is there a place, where I can grab arbitrary older builds and forceinstall it?
From above repo, (baseos), it seem i can downgrade up to 407 but I may need earlier build than that.

[TrevorH]

You posted this in the CentOS 7 section so I have moved it to the Stream one since kernel 5.14 is a Stream 9 kernel. I fear that the answer is that there is no archive version of Stream packages since it's a beta product and no-one much cares if things used to be broken or not. Also the package churn on Stream is much higher than it is on the stable RHEL (and clones) since experimental packages get pushed to Stream then multiple updates arrive to fix the problems with those etc.

If you use RHEL or Rocky or (probably) Alma then they all have archived copies of released packages available. For RHEL it's all one giant yum repo with everything in it so you can just "yum install kernel-5.14.0.veryearlynumber" and get it from the repo. For Rocky and Alma, they archive the entire repos at a new point release time so their packages from non-current point releases are in their equivalent of vault.centos.org and can be installed with slightly more difficulty from there.