========================================================================== Ubuntu Security Notice USN-3891-1 February 18, 2019
systemd vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: systemd could be made to crash if it received specially a crafted D-Bus message. Software Description: - systemd: system and service manager Details: It was discovered that systemd incorrectly handled certain D-Bus messages. A local unprivileged attacker could exploit this in order to crash the init process, resulting in a system denial-of-service (kernel panic). Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: libsystemd0 239-7ubuntu10.8 systemd 239-7ubuntu10.8 Ubuntu 18.04 LTS: libsystemd0 237-3ubuntu10.13 systemd 237-3ubuntu10.13 Ubuntu 16.04 LTS: libsystemd0 229-4ubuntu21.16 systemd 229-4ubuntu21.16 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3891-1 CVE-2019-6454 Package Information: https://launchpad.net/ubuntu/+source/systemd/239-7ubuntu10.8 https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu10.13 https://launchpad.net/ubuntu/+source/systemd/229-4ubuntu21.16
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