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Unscored USN-5583-2 1 CVE

systemd regression

Published Sep 14, 2022 · Updated Apr 22, 2026

Summary

USN-5583-1 fixed vulnerabilities in systemd. Unfortunately this caused a
regression by introducing networking 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)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS systemd 237-3ubuntu10.56

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2022-2526
  • report
    https://launchpad.net/bugs/1988119