A libinput security update has been released for Ubuntu 18.04 LTS, 20.04 LTS, and 21.10.

USN-5382-1: libinput vulnerability

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Ubuntu Security Notice USN-5382-1
April 20, 2022

libinput vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

libinput could be made to crash or expose sensitive information.

Software Description:
- libinput: Input device management and event handling library

Details:

Albin Eldstål-Ahrens and Lukas Lamster discovered libinput did not properly
handle input devices with specially crafted names. A local attacker with
physical access could use this to cause libinput to crash or expose
sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 21.10:
libinput10 1.18.1-1ubuntu0.1

Ubuntu 20.04 LTS:
libinput10 1.15.5-1ubuntu0.3

Ubuntu 18.04 LTS:
libinput10 1.10.4-1ubuntu0.18.04.3

After a standard system update you need to log out of all desktop sessions
and then log back in to make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5382-1
CVE-2022-1215

Package Information:
  https://launchpad.net/ubuntu/+source/libinput/1.18.1-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libinput/1.15.5-1ubuntu0.3
  https://launchpad.net/ubuntu/+source/libinput/1.10.4-1ubuntu0.18.04.3