Upstream maintenance ends for the 7.2 branch
Kernel.org lists Linux 7.2.15 as released on November 1 and marks it end of life. For operators maintaining a kernel directly from the upstream project, that designation is a reason to review the maintenance plan rather than assume another 7.2 update will follow.
The official changelog records the version commit on November 1 at 13:44:45 +0100. A commit timestamp is not necessarily the exact moment release files became available. The archive's release listing supplies a date, without an exact publication time.
The same listing identifies 7.3.1 as the latest stable release and separately shows 7.4-rc1, dated November 1. Those labels should not be treated as interchangeable: kernel.org describes release candidates as prereleases aimed mainly at developers and enthusiasts for testing.
A distribution can have a different support commitment
Kernel.org explains that Linux distributions may maintain their own kernels independently of the upstream long-term branches. An upstream end-of-life marker therefore does not, by itself, establish that every distribution shipping a kernel with a similar version number has stopped supporting it.
CGH perspective: identify who supplies updates for the actual machine before selecting a migration. Check that supplier's lifecycle and supported upgrade path, then validate drivers and workloads on the intended replacement. The newest version number alone is insufficient evidence of suitability.
What this notice does and does not establish
This is an upstream software-maintenance change, not evidence of a universal outage or compromise. The reviewed sources do not establish a common vendor-support deadline, paid-support price or geographic rollout. CGH did not build or test these kernels, and is not recommending a prerelease for routine production replacement.