Ubuntu alert USN-5583-1 (systemd)

From:
             
 
Nishit Majithia <nishit.majithia@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-5583-1] systemd vulnerability
Date:
             
 
Tue, 30 Aug 2022 09:24:18 +0530
Message-ID:
             
 
<20220830035418.claakhpo6sqb5ljc@machine>
==========================================================================
Ubuntu Security Notice USN-5583-1
August 29, 2022

systemd vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS

Summary:

systemd could be made to crash or run programs if it received specially
crafted DNS request.

Software Description:
- systemd: system and service manager

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                         237-3ubuntu10.54

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

References:
  https://ubuntu.com/security/notices/USN-5583-1
  CVE-2022-2526

Package Information:
  https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu1...