Episode 19

This week we look at updates to the Linux kernel in preparation for
the 18.04.2 release, plus updates for Open vSwitch, Firefox, Avahi,
LibVNCServer and more. We also revisit and discuss upstream changes
to the mincore() system call to thwart page-cache side-channel
attacks first discussed in [Episode
17](https://ubuntusecuritypodcast.org/episode-17/).