The 5.12.8, 5.10.41, and 5.4.123 stable kernels have been released.
These contain only a small handful of changes, including fixes to the BPF
verifier to address a privilege
escalation vulnerability. Users of those series should upgrade.

Source: LWN.net – Stable kernels 5.12.8, 5.10.41, and 5.4.123