Ubuntu Security Notice USN-5583-2
September 14, 2022
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 18.04 LTS
USN-5583-1 caused a regression in systemd
– systemd: system and service manager
USN-5583-1 fixed vulnerabilities in systemd. Unfortunately this caused a
regression by introducing netowrking problems for some users. This update fixes
We apologize for the inconvenience.
Original advisory details:
It was discovered that systemd incorrectly handled certain DNS requests,
which leads to user-after-free vulnerability. An attacker could possibly use
this issue to cause a crash or execute arbitrary code. (CVE-2022-2526)
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
In general, a standard system update will make all the necessary changes.