The
5.6.9 and
5.4.37
stable updates have been released with another set of important fixes.
Note that the
4.19.120,
4.14.178,
4.9.221, and
4.4.221
updates went into the review process at the same time as 5.6.9 and 5.4.37; they will
probably show up in the near future.

Source: LWN.net – A pair of stable kernels