Headline
Ubuntu Security Notice USN-6721-2
Ubuntu Security Notice 6721-2 - USN-6721-1 fixed vulnerabilities in X.Org X Server. That fix was incomplete resulting in a regression. This update fixes the problem. It was discovered that X.Org X Server incorrectly handled certain data. An attacker could possibly use this issue to expose sensitive information.
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Ubuntu Security Notice USN-6721-2
April 09, 2024
xorg-server, xwayland regression
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
- Ubuntu 14.04 LTS (Available with Ubuntu Pro)
Summary:
A regression was fixed in X.Org X Server.
Software Description:
- xorg-server: X.Org X11 server
- xwayland: X server for running X clients under Wayland
Details:
USN-6721-1 fixed vulnerabilities in X.Org X Server. That fix was incomplete
resulting in a regression. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that X.Org X Server incorrectly handled certain data.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2024-31080, CVE-2024-31081, CVE-2024-31082)
It was discovered that X.Org X Server incorrectly handled certain glyphs.
An attacker could possibly use this issue to cause a crash or expose sensitive
information. (CVE-2024-31083)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.10:
xserver-xorg-core 2:21.1.7-3ubuntu2.9
xwayland 2:23.2.0-1ubuntu0.6
Ubuntu 22.04 LTS:
xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.10
xwayland 2:22.1.1-1ubuntu0.13
Ubuntu 20.04 LTS:
xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.17
xwayland 2:1.20.13-1ubuntu1~20.04.17
Ubuntu 18.04 LTS (Available with Ubuntu Pro):
xserver-xorg-core 2:1.19.6-1ubuntu4.15+esm8
xwayland 2:1.19.6-1ubuntu4.15+esm8
Ubuntu 16.04 LTS (Available with Ubuntu Pro):
xserver-xorg-core 2:1.18.4-0ubuntu0.12+esm13
xwayland 2:1.18.4-0ubuntu0.12+esm13
Ubuntu 14.04 LTS (Available with Ubuntu Pro):
xserver-xorg-core 2:1.15.1-0ubuntu2.11+esm12
After a standard system update you need to restart -APP- to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6721-2
https://ubuntu.com/security/notices/USN-6721-1
https://launchpad.net/bugs/2060354
Package Information:
https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.7-3ubuntu2.9
https://launchpad.net/ubuntu/+source/xwayland/2:23.2.0-1ubuntu0.6
https://launchpad.net/ubuntu/+source/xorg-server/2:21.1.4-2ubuntu1.7~22.04.10
https://launchpad.net/ubuntu/+source/xwayland/2:22.1.1-1ubuntu0.13
https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.13-1ubuntu1~20.04.17
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Ubuntu Security Notice 6721-1 - It was discovered that X.Org X Server incorrectly handled certain data. An attacker could possibly use this issue to expose sensitive information. It was discovered that X.Org X Server incorrectly handled certain glyphs. An attacker could possibly use this issue to cause a crash or expose sensitive information.
Ubuntu Security Notice 6721-1 - It was discovered that X.Org X Server incorrectly handled certain data. An attacker could possibly use this issue to expose sensitive information. It was discovered that X.Org X Server incorrectly handled certain glyphs. An attacker could possibly use this issue to cause a crash or expose sensitive information.
Ubuntu Security Notice 6721-1 - It was discovered that X.Org X Server incorrectly handled certain data. An attacker could possibly use this issue to expose sensitive information. It was discovered that X.Org X Server incorrectly handled certain glyphs. An attacker could possibly use this issue to cause a crash or expose sensitive information.
Ubuntu Security Notice 6721-1 - It was discovered that X.Org X Server incorrectly handled certain data. An attacker could possibly use this issue to expose sensitive information. It was discovered that X.Org X Server incorrectly handled certain glyphs. An attacker could possibly use this issue to cause a crash or expose sensitive information.