Fedora 31: 2019-d5bd5f0aa4 Critical: DNS Change Control Issue

systemd is a system and service manager that runs as PID 1 and starts

the rest of the system. It provides aggressive parallelization

capabilities, uses socket and D-Bus activation for starting services,

offers on-demand starting of daemons, keeps track of processes using

Linux control groups, maintains mount and automount points, and

implements an elaborate transactional dependency-based service control

logic. systemd supports SysV and LSB init scripts and works as a

replacement for sysvinit. Other parts of this package are a logging daemon,

utilities to control basic system configuration like the hostname,

date, locale, maintain a list of logged-in users, system accounts,

runtime directories and settings, and daemons to manage simple network

configuration, network time synchronization, log forwarding, and name

resolution.

- Update to latest release - Emission of Session property-changed notifications

from logind is fixed (this was breaking the switching of sessions to and from

gnome). - Security issue: unprivileged users were allowed to change DNS servers

configured in systemd-resolved. Now proper polkit authorization is required

(CVE-2019-15718). Switching ttys will work again after reboot. Otherwise, no

log out or reboot is required.

[ 1 ] Bug #1748401 - systemd: need freeze exception for F31 beta

https://bugzilla.redhat.com/show_bug.cgi?id=1748401

su -c 'dnf upgrade --advisory FEDORA-2019-d5bd5f0aa4' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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https://fedoraproject.org/security/

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