USN-4037-1: policykit-desktop-privileges update

25 June 2019

policykit-desktop-privileges update

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.04
  • Ubuntu 18.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


A security improvement has been made to policykit-desktop-privileges.

Software Description

  • policykit-desktop-privileges - run common desktop actions without password


The policykit-desktop-privileges Startup Disk Creator policy allowed administrative users to overwrite disks. As a security improvement, this operation now requires authentication.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
policykit-desktop-privileges - 0.20ubuntu19.04.1
Ubuntu 18.10
policykit-desktop-privileges - 0.20ubuntu18.10.1
Ubuntu 18.04 LTS
policykit-desktop-privileges - 0.20ubuntu18.04.1
Ubuntu 16.04 LTS
policykit-desktop-privileges - 0.20ubuntu16.04.1

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.