Latest security fix kernels should now be in the repos.
All users are strongly advised to upgrade (via synaptic, cli-aptiX or package-installer).
Latest versions for 32 (pae and non) and 64 bit – buster (antiX-19), bullseye (antiX-21), testing and sid:
5.10.57
4.19-202
4.9.0-279
4.4.0-279
stretch (antiX-17) kernels have also been updated.