Packages
- systemd - system and service manager
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. (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).
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. (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
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 25.10 questing | libsystemd0 – 257.9-0ubuntu2.3 | ||
| libudev1 – 257.9-0ubuntu2.3 | |||
| systemd – 257.9-0ubuntu2.3 | |||
| udev – 257.9-0ubuntu2.3 | |||
| 24.04 LTS noble | libsystemd0 – 255.4-1ubuntu8.14 | ||
| libudev1 – 255.4-1ubuntu8.14 | |||
| systemd – 255.4-1ubuntu8.14 | |||
| udev – 255.4-1ubuntu8.14 | |||
| 22.04 LTS jammy | libsystemd0 – 249.11-0ubuntu3.19 | ||
| libudev1 – 249.11-0ubuntu3.19 | |||
| systemd – 249.11-0ubuntu3.19 | |||
| udev – 249.11-0ubuntu3.19 | |||
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