USN-7085-2: X.Org X Server vulnerability

Published Oct 30, 2024
·
Updated

USN-7085-1 fixed a vulnerability in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations in the X Keyboard Extension. An attacker could use this issue to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code.

Affected Software

16 affected componentsFixes available
All of the following
ubuntu/xserver-xorg-core<2:1.19.6-1ubuntu4.15+esm9
2:1.19.6-1ubuntu4.15+esm9
Ubuntu Ubuntu=18.04
All of the following
ubuntu/xserver-xorg-core-hwe-18.04<2:1.20.8-2ubuntu2.2~18.04.11+esm1
2:1.20.8-2ubuntu2.2~18.04.11+esm1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/xwayland<2:1.19.6-1ubuntu4.15+esm9
2:1.19.6-1ubuntu4.15+esm9
Ubuntu Ubuntu=18.04
All of the following
ubuntu/xwayland-hwe-18.04<2:1.20.8-2ubuntu2.2~18.04.11+esm1
2:1.20.8-2ubuntu2.2~18.04.11+esm1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/xserver-xorg-core<2:1.18.4-0ubuntu0.12+esm14
2:1.18.4-0ubuntu0.12+esm14
Ubuntu Ubuntu=16.04
All of the following
ubuntu/xserver-xorg-core-hwe-16.04<2:1.19.6-1ubuntu4.1~16.04.6+esm6
2:1.19.6-1ubuntu4.1~16.04.6+esm6
Ubuntu Ubuntu=16.04
All of the following
ubuntu/xwayland<2:1.18.4-0ubuntu0.12+esm14
2:1.18.4-0ubuntu0.12+esm14
Ubuntu Ubuntu=16.04
All of the following
ubuntu/xwayland-hwe-16.04<2:1.19.6-1ubuntu4.1~16.04.6+esm6
2:1.19.6-1ubuntu4.1~16.04.6+esm6
Ubuntu Ubuntu=16.04

Event History

Oct 30, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7085-2?

The severity of USN-7085-2 is classified as medium due to the potential for memory corruption issues.

2

How do I fix USN-7085-2?

To fix USN-7085-2, update the affected packages to the latest versions specified in the advisory.

3

What products are affected by USN-7085-2?

USN-7085-2 affects Ubuntu 16.04 LTS and Ubuntu 18.04 LTS users running specific versions of xserver-xorg-core and xwayland.

4

Who discovered the vulnerability in USN-7085-2?

The vulnerability addressed in USN-7085-2 was discovered by researcher Jan-Niklas Sohn.

5

Is there a workaround for the vulnerabilities addressed in USN-7085-2?

There are no known workarounds for the vulnerabilities addressed in USN-7085-2; updating to fixed versions is recommended.

Contact

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