Stable kernels 5.18.14 and 5.15.57

The5.18.14 and5.15.57stable kernels have been released; these consist almost entirely of theRetbleed hardware-vulnerability mitigations.

The 5.10.133update will be next to get those fixes; it is in the review process and isdue on July 25.

[Update: 5.10.133 has been released.]