Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-2320

20
FAUCET Score

CVE-2022-2320 is a high-severity memory access vulnerability in the Xorg-x11-server, specifically within the handling of ProcXkbSetDeviceInfo requests, affecting x.org x_server. This flaw stems from insufficient validation of user-supplied data, enabling an authenticated local attacker to achieve privilege escalation and execute arbitrary code as root. While rated with a CVSS score of 7.8, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
21.1.0CPE matchmatch criteria
cpe:2.3:a:x.org:x_server:21.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
44.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 83rd percentile among its peer group of 17,070 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: xorg-x11-server-0:1.20.4-18.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: xorg-x11-server-0:1.20.11-9.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: xorg-x11-server-Xwayland-0:21.1.3-6.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: xorg-x11-server-0:1.20.11-11.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: xorg-x11-server-Xwayland-0:21.1.3-3.el9
View patch

Vendor Advisories (1)

redhatCVE-2022-2320Moderate

xorg-x11-server: out-of-bounds access in ProcXkbSetDeviceInfo request handler of the Xkb extension

Jul 12, 2022

References

github.com / freedesktop/xorg-xserver/commit/dd8caf39e9e15d8f302e54045dd08d8ebf1025dc
PatchThird Party Advisory
gitlab.freedesktop.org / xorg/xserver/-/merge_requests/938
PatchThird Party Advisory
gitlab.freedesktop.org / xorg/xserver/-/merge_requests/939
PatchThird Party Advisory
lists.freedesktop.org / archives/xorg-announce/2022-July/003192.html
PatchThird Party Advisory
security.gentoo.org / glsa/202210-30
Third Party Advisory
security.netapp.com / advisory/ntap-20221104-0003
Third Party Advisory
zerodayinitiative.com / advisories/ZDI-22-963
Third Party AdvisoryVDB Entry