CVE-2022-2320: X.org X Server

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.

Affected products

• X.org X Server: version 21.1.0 only

Published 2022-09-01. Last modified 2026-06-17.