========================================================================== 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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