Post Syndicated from original https://lwn.net/Articles/901367/

The stable kernel updates that were due on July 14 have been delayed for
several days, according to Greg
Kroah-Hartman, due to problems that have come up with the Retbleed
mitigation patches.

The problems are purely due to the fact that we were forced to do
this type of work “in private” with very limited ability for
testing by the normal larger kernel community like we rely on. We
don’t have fancy or huge private testing labs where we can do all
of this work as we are an open source project, and we rely on open
testing in public.

The ongoing problems might yet slow down the 5.19 release as well.

Update: there has actually been a different set of updates
released:
5.18.12,
5.15.55,
5.10.131, and
5.4.206. These revert a single problematic
MTD patch.