Ubuntu-5.0.0-7.8

Merge pull request endlessm#451 from endlessm/T25453

iommu/amd: Fix a null pointer dereference for ACPI devices

Important fixes on 3.5 stable series

Ubuntu-4.18.0-15.16

A fix for CVE-2019-5736 in Flatpak

Important fixes and some new features on 3.5 stable series

Ubuntu-4.20.0-2.3

Merge pull request endlessm#443 from endlessm/T25184

ALSA: hda/realtek: Enable headset audio of Acer Crux_WL with ALC255

Important fixes and some new features on 3.5 stable series