This kernel update contains a good number of fixes for MACsec security framework.
From security standpoint, this kernel update brings adds several fixes for Intel QuickAssist driver, plus some more. Let's have a look.
Researchers have found new ways to exploit branch prediction mechanism of modern processors, so here is the Kernel's response.
Two similar (but independent) security flaws with "critical" severity level have been discovered recently. Luckily, the updates from Cisco are available.
A simple-to-use trick can be done with this popular CMS, no special skills are needed. Although it has already been patched, users of unpatched versions are still vulnerable.