CVE-2022-2320

Name: CVE-2022-2320
Creator: NVD / NIST
Published: 2022-09-01T21:15:09.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2022-2320 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.57%

42.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
X.Org	X Server	21.1.0

References

https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dcPatch, Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938Patch, Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939Patch, Third Party Advisory
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/202210-30Third Party Advisory
https://security.netapp.com/advisory/ntap-20221104-0003/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-963/Third Party Advisory, VDB Entry
https://github.com/freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dcPatch, Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938Patch, Third Party Advisory
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939Patch, Third Party Advisory
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.htmlPatch, Third Party Advisory
https://security.gentoo.org/glsa/202210-30Third Party Advisory
https://security.netapp.com/advisory/ntap-20221104-0003/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-963/Third Party Advisory, VDB Entry

Timeline

Published: Sep 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-2320?

How severe is CVE-2022-2320?

CVE-2022-2320 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2022-2320?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-2320?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST