Stable kernels with security fixes

The6.4.9,6.1.44,5.15.125,5.10.189,5.4.252,4.19.290, and4.14.321stable kernel updates have all been released; they are dominated by fixesfor the latest round ofspeculative-execution vulnerabilities.

Do note the warning attached to each of these releases:

Note, PLEASE TEST this kernel if you are on the 6.4.y tree beforeusing it in a real workload. This was a quick release due to theobvious security fixes in it, and as such, it has not had very muchtesting "in the wild". Please let us know of any problems seen.Also note that the user/kernel api for the new security mitigationsmight be changing over time, so do not get used to them being fixedin stone just yet.