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@REPLYADDR Marc Deslauriers
<marc.deslauriers@canonical.com>
@REPLYTO 2:5075/128 Marc Deslauriers
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@TID: FIDOGATE-5.12-ge4e8b94
==========================================================================
Ubuntu Security Notice USN-5986-1
March 29, 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 2:21.1.4-2ubuntu1.7
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-18.04/2:1.20.8-2ubuntu2.2~1
8.04.11
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