Ubuntu 5778-1: X.Org X Server vulnerabilities | LinuxSecurity.com
==========================================================================
Ubuntu Security Notice USN-5778-1
December 14, 2022

xorg-server, xorg-server-hwe-18.04, xwayland vulnerabilities
==========================================================================

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:

Several security issues were fixed in X.Org X Server.

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 X.Org X Server extensions contained
multiple security issues. 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               2:21.1.4-2ubuntu1.3
   xwayland                        2:22.1.3-2ubuntu0.2

Ubuntu 22.04 LTS:
   xserver-xorg-core               2:21.1.3-2ubuntu2.5
   xwayland                        2:22.1.1-1ubuntu0.4

Ubuntu 20.04 LTS:
   xserver-xorg-core               2:1.20.13-1ubuntu1~20.04.5
   xwayland                        2:1.20.13-1ubuntu1~20.04.5

Ubuntu 18.04 LTS:
   xserver-xorg-core               2:1.19.6-1ubuntu4.13
   xserver-xorg-core-hwe-18.04     2:1.20.8-2ubuntu2.2~18.04.9
   xwayland                        2:1.19.6-1ubuntu4.13
   xwayland-hwe-18.04              2:1.20.8-2ubuntu2.2~18.04.9

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-5778-1
   CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342,
   CVE-2022-46343, CVE-2022-46344

Package Information:
   https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.3
   https://launchpad.net/ubuntu/+source/xwayland/2:22.1.3-2ubuntu0.2
   https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.3-2ubuntu2.5
   https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.4
   https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.13-1ubuntu1~20.04.5
   https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6-1ubuntu4.13
 
https://launchpad.net/ubuntu/+source/xorg-server-hwe-18.04/2:1.20.8-2ubuntu2.2~18.04.9

Ubuntu 5778-1: X.Org X Server vulnerabilities

December 14, 2022
Several security issues were fixed in X.Org X Server.

Summary

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: Several security issues were fixed in X.Org X Server. 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 X.Org X Server extensions contained multiple security issues. 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 2:21.1.4-2ubuntu1.3 xwayland 2:22.1.3-2ubuntu0.2 Ubuntu 22.04 LTS: xserver-xorg-core 2:21.1.3-2ubuntu2.5 xwayland 2:22.1.1-1ubuntu0.4 Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.5 xwayland 2:1.20.13-1ubuntu1~20.04.5 Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.13 xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.9 xwayland 2:1.19.6-1ubuntu4.13 xwayland-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.9 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5778-1

CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342,

CVE-2022-46343, CVE-2022-46344

Severity
Ubuntu Security Notice USN-5778-1

Package Information

https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.3 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.3-2ubuntu0.2 https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.3-2ubuntu2.5 https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.4 https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.13-1ubuntu1~20.04.5 https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6-1ubuntu4.13 https://launchpad.net/ubuntu/+source/xorg-server-hwe-18.04/2:1.20.8-2ubuntu2.2~18.04.9

We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.