USN-4120-2: systemd regression

10 September 2019

USN-4120-1 caused a regression in systemd.

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Releases

Packages

  • systemd - system and service manager

Details

USN-4120-1 fixed a vulnerability in systemd. The update included a recent
SRU from the updates pocket that introduced networking problems for some
users. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that the systemd-resolved D-Bus interface did not
enforce appropriate access controls. A local unprivileged user could
exploit this to modify a system's DNS resolver settings.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 19.04
Ubuntu 18.04

After a standard system update you need to reboot your computer to make
all the necessary changes.