Ubuntu alert USN-8119-2 (systemd)

From:
             
 
noreply+usn-bot@canonical.com
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-8119-2] systemd vulnerabilities
Date:
             
 
Tue, 24 Mar 2026 02:46:33 +0000
Message-ID:
             
 
<E1w4rmr-0005hj-2v@lists.ubuntu.com>
==========================================================================
Ubuntu Security Notice USN-8119-2
March 23, 2026

systemd vulnerabilities
==========================================================================

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

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in systemd.

Software Description:
- systemd: system and service manager

Details:

USN-8119-1 fixed vulnerabilities in systemd. This update provides the
corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04
LTS, and Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that systemd incorrectly handled certain cgroup paths. A
local attacker could possibly use this issue to cause systemd to crash,
resulting in a denial of service. This issue only affected Ubuntu 20.04
LTS. (CVE-2026-29111)

It was discovered that the systemd udev component incorrectly handled
certain fields received from the kernel. An attacker with a malicious
device could possibly use this issue to execute arbitrary code as an
administrator (root).

Update instructions:

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

Ubuntu 20.04 LTS
  libsystemd0                     245.4-4ubuntu3.24+esm3
                                  Available with Ubuntu Pro
  libudev1                        245.4-4ubuntu3.24+esm3
                                  Available with Ubuntu Pro
  systemd                         245.4-4ubuntu3.24+esm3
                                  Available with Ubuntu Pro
  udev                            245.4-4ubuntu3.24+esm3
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libudev1                        237-3ubuntu10.57+esm3
                                  Available with Ubuntu Pro
  udev                            237-3ubuntu10.57+esm3
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libudev1                        229-4ubuntu21.31+esm4
                                  Available with Ubuntu Pro
  udev                            229-4ubuntu21.31+esm4
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libudev1                        204-5ubuntu20.31+esm3
                                  Available with Ubuntu Pro
  udev                            204-5ubuntu20.31+esm3
                                  Available with Ubuntu Pro

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-8119-2
  https://ubuntu.com/security/notices/USN-8119-1
  CVE-2026-29111


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