Ubuntu 5986-1: X.Org X Server vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: xserver-xorg-core 2:21.1.4-2ubuntu1.7 xwayland 2:22.1.3-2ubuntu0.4 Ubuntu 22.04 LTS: xserver-xorg-core 2:21.1.3-2ubuntu2.9 xwayland 2:22.1.1-1ubuntu0.6 Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.8 xwayland 2:1.20.13-1ubuntu1~20.04.8 Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.15 xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.11 xwayland 2:1.19.6-1ubuntu4.15 xwayland-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.11 After a standard system update you need to reboot your computer to make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-5986-1
CVE-2023-1393
Package Information
https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.7 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.3-2ubuntu0.4 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.3-2ubuntu2.9 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.6 https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.13-1ubuntu1~20.04.8 https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6-1ubuntu4.15 https://launchpad.net/ubuntu/+source/xorg-server-hwe-18.04/2:1.20.8-2ubuntu2.2~18.04.11