Ubuntu Security Notice USN-5583-2 systemd

Ubuntu Security Notice USN-5583-2
September 14, 2022

systemd regression

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

– Ubuntu 18.04 LTS


USN-5583-1 caused a regression in systemd

Software Description:
– 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
the problem.

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)

Update instructions:

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

Ubuntu 18.04 LTS:
systemd 237-3ubuntu10.56

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


Package Information:

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