========================================================================== Ubuntu Security Notice USN-5846-1 February 07, 2023
xorg-server, xorg-server-hwe-18.04, xwayland vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: X.Org X Server could be made to crash or run programs as the administrator if it received specially crafted input. Software Description: - xorg-server: X.Org X11 server - xwayland: X server for running X clients under Wayland - xorg-server-hwe-18.04: X.Org X11 server Details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could possibly use these issues to cause the X Server to crash, execute arbitrary code, or escalate privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: xserver-xorg-core 2:21.1.4-2ubuntu1.5 xwayland 2:22.1.3-2ubuntu0.3 Ubuntu 22.04 LTS: xserver-xorg-core 2:21.1.3-2ubuntu2.7 xwayland 2:22.1.1-1ubuntu0.5 Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.6 xwayland 2:1.20.13-1ubuntu1~20.04.6 Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.14 xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 xwayland 2:1.19.6-1ubuntu4.14 xwayland-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.10 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5846-1 CVE-2023-0494 Package Information: https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.5 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.3-2ubuntu0.3 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.3-2ubuntu2.7 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.5 https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.13-1ubuntu1~20.04.6 https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6-1ubuntu4.14 https://launchpad.net/ubuntu/+source/xorg-server-hwe-18.04/2:1.20.8-2ubuntu2.2~18.04.10
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