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TI-2022-02143 Aliases CVE-2022-2320GHSA-w5qv-457x-4w67

Out-of-bounds write in xorg-x11-server

Priority LOW 35CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 11 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.00633 50th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 11 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—xorg-x11-serverxorg-x11-server 21.1—No fix listedCNA
  • xorg-x11-server Vendor— Affected xorg-x11-server 21.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:x.org:x_server:21.1.0:*:*:*:*:*:*:*21.1.0Vulnerablex.org
  • cpe:2.3:a:x.org:x_server:21.1.0:*:*:*:*:*:*:* Versions 21.1.0 Vulnerable ·x.org

Remediation

Red Hat 4 advisories

  • RHSA-2022:8221 Released 2022-11-15 · Red Hat rating Moderate
    xorg-x11-server security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 9) xorg-x11-server-devel-1.20.11-11.el9, xorg-x11-server-source-1.20.11-11.el9
    • Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-1.20.11-11.el9, xorg-x11-server-Xdmx-1.20.11-11.el9, xorg-x11-server-Xephyr-1.20.11-11.el9 +4
  • RHSA-2022:8222 Released 2022-11-15 · Red Hat rating Moderate
    xorg-x11-server-Xwayland security update
    • Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-Xwayland-21.1.3-3.el9
  • RHSA-2022:7583 Released 2022-11-08 · Red Hat rating Moderate
    xorg-x11-server and xorg-x11-server-Xwayland security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) xorg-x11-server-devel-1.20.11-9.el8, xorg-x11-server-source-1.20.11-9.el8
    • Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-1.20.11-9.el8, xorg-x11-server-Xdmx-1.20.11-9.el8, xorg-x11-server-Xephyr-1.20.11-9.el8 +5
Show 1 more Red Hat advisories
  • RHSA-2022:5905 Released 2022-08-04 · Red Hat rating Important
    xorg-x11-server security update
    • Red Hat Enterprise Linux Client (v. 7) xorg-x11-server-1.20.4-18.el7_9, xorg-x11-server-Xephyr-1.20.4-18.el7_9, xorg-x11-server-Xorg-1.20.4-18.el7_9 +1
    • Red Hat Enterprise Linux Client Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-18.el7_9, xorg-x11-server-Xnest-1.20.4-18.el7_9, xorg-x11-server-Xvfb-1.20.4-18.el7_9 +3
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) xorg-x11-server-1.20.4-18.el7_9, xorg-x11-server-Xdmx-1.20.4-18.el7_9, xorg-x11-server-Xephyr-1.20.4-18.el7_9 +7
    • Red Hat Enterprise Linux Server (v. 7) xorg-x11-server-1.20.4-18.el7_9, xorg-x11-server-Xephyr-1.20.4-18.el7_9, xorg-x11-server-Xorg-1.20.4-18.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-18.el7_9, xorg-x11-server-Xnest-1.20.4-18.el7_9, xorg-x11-server-Xvfb-1.20.4-18.el7_9 +4
    • Red Hat Enterprise Linux Workstation (v. 7) xorg-x11-server-1.20.4-18.el7_9, xorg-x11-server-Xephyr-1.20.4-18.el7_9, xorg-x11-server-Xorg-1.20.4-18.el7_9 +1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-18.el7_9, xorg-x11-server-Xnest-1.20.4-18.el7_9, xorg-x11-server-Xvfb-1.20.4-18.el7_9 +3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    xorg-x11-server — GLSA-202210-30

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2022-02142 A flaw was found in the Xorg-x11-server.Priority LOW 34
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2022:7583
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2022:8221
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:7583
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2022:8221, RHSA-2022:8222
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2022:5905
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2022:5905
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2022:5905
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2022:5905
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2022:5905
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2022:5905
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2022:5905
Not affected: 1 product
  • Red Hat CodeReady Linux Builder (v. 8)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2320
  2. 2026-10-03 Alias added: GHSA-w5qv-457x-4w67
  3. 2026-10-26 EPSS moved to the 50th–90th percentile

References

Patch 4

Advisory 3

  • TI-2018-10528 A flaw was found in xorg-x11-server before 1.20.3. CVSS 3.0MEDIUM 6.6
  • TI-2017-08976 Improper input validation in x.org xorg-x11-server CVSS 3.0CRITICAL 9.8
  • TI-2017-08975 xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension… CVSS 3.0CRITICAL 9.8
  • TI-2017-08974 Improper input validation in x.org xorg-x11-server CVSS 3.0CRITICAL 9.8
  • TI-2017-08973 Improper input validation in x.org xorg-x11-server CVSS 3.0CRITICAL 9.8
  • TI-2017-08972 Improper input validation in x.org xorg-x11-server CVSS 3.0CRITICAL 9.8
See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences