========================================================================== Ubuntu Security Notice USN-4120-2 September 10, 2019
systemd regression ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.04 - Ubuntu 18.04 LTS Summary: USN-4120-1 caused a regression in systemd. Software Description: - 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: systemd 240-6ubuntu5.7 Ubuntu 18.04 LTS: systemd 237-3ubuntu10.29 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://usn.ubuntu.com/4120-2 https://usn.ubuntu.com/4120-1 https://launchpad.net/bugs/1842651 Package Information: https://launchpad.net/ubuntu/+source/systemd/240-6ubuntu5.7 https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.29
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