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TI-2022-03270 Aliases CVE-2022-3551GHSA-3j3c-w82w-2cmg

X.org Server xkb.c ProcXkbGetKbdByName memory leak

Priority LOW 33CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · 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-404.

Summary

A vulnerability, which was classified as problematic, has been found in X.org Server. Affected by this issue is the function ProcXkbGetKbdByName of the file xkb/xkb.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211052.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02408 84th percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 11 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
x.orgServerall versions—No fix listedCNA
  • Server Vendorx.org Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*before 21.1.6Vulnerablex.org
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*37VulnerableFedoraproject
  • cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:* Versions before 21.1.6 Vulnerable ·x.org
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject

Remediation

Red Hat 5 advisories

  • RHSA-2023:2805 Released 2023-05-16 · Red Hat rating Moderate
    xorg-x11-server-Xwayland security update
    • Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-Xwayland-21.1.3-10.el8
  • RHSA-2023:2806 Released 2023-05-16 · Red Hat rating Moderate
    xorg-x11-server security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) xorg-x11-server-1.20.11-15.el8, xorg-x11-server-Xdmx-1.20.11-15.el8, xorg-x11-server-Xephyr-1.20.11-15.el8 +4
    • Red Hat Enterprise Linux CRB (v. 8) xorg-x11-server-devel-1.20.11-15.el8, xorg-x11-server-source-1.20.11-15.el8
  • RHSA-2023:2249 Released 2023-05-09 · Red Hat rating Moderate
    xorg-x11-server-Xwayland security update
    • Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-Xwayland-21.1.3-7.el9
Show 2 more Red Hat advisories
  • RHSA-2023:2248 Released 2023-05-09 · Red Hat rating Moderate
    xorg-x11-server security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) xorg-x11-server-1.20.11-17.el9, xorg-x11-server-Xdmx-1.20.11-17.el9, xorg-x11-server-Xephyr-1.20.11-17.el9 +4
    • Red Hat Enterprise Linux CRB (v. 9) xorg-x11-server-devel-1.20.11-17.el9, xorg-x11-server-source-1.20.11-17.el9
  • RHSA-2022:8491 Released 2022-11-16 · Red Hat rating Important
    xorg-x11-server security update
    • Red Hat Enterprise Linux Client (v. 7) xorg-x11-server-1.20.4-19.el7_9, xorg-x11-server-Xephyr-1.20.4-19.el7_9, xorg-x11-server-Xorg-1.20.4-19.el7_9 +1
    • Red Hat Enterprise Linux Client Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-19.el7_9, xorg-x11-server-Xnest-1.20.4-19.el7_9, xorg-x11-server-Xvfb-1.20.4-19.el7_9 +3
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) xorg-x11-server-1.20.4-19.el7_9, xorg-x11-server-Xdmx-1.20.4-19.el7_9, xorg-x11-server-Xephyr-1.20.4-19.el7_9 +7
    • Red Hat Enterprise Linux Server (v. 7) xorg-x11-server-1.20.4-19.el7_9, xorg-x11-server-Xephyr-1.20.4-19.el7_9, xorg-x11-server-Xorg-1.20.4-19.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-19.el7_9, xorg-x11-server-Xnest-1.20.4-19.el7_9, xorg-x11-server-Xvfb-1.20.4-19.el7_9 +4
    • Red Hat Enterprise Linux Workstation (v. 7) xorg-x11-server-1.20.4-19.el7_9, xorg-x11-server-Xephyr-1.20.4-19.el7_9, xorg-x11-server-Xorg-1.20.4-19.el7_9 +1
    • Red Hat Enterprise Linux Workstation Optional (v. 7) xorg-x11-server-Xdmx-1.20.4-19.el7_9, xorg-x11-server-Xnest-1.20.4-19.el7_9, xorg-x11-server-Xvfb-1.20.4-19.el7_9 +3

Fixed in the same release

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

  • Advisory ·

    X.org Server — FEDORA-2022-9100b7aafd

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-03269 X.org Server xkb.c _GetCountedString buffer overflowPriority MEDIUM 42
    Show all 2 records → Advisory →
  • Advisory ·

    X.org Server — FEDORA-2022-5495b36bed

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-03269 X.org Server xkb.c _GetCountedString buffer overflowPriority MEDIUM 42
    Show all 2 records → Advisory →
Show 3 more groups
  • Advisory ·

    X.org Server — FEDORA-2022-64ad80875c

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-03269 X.org Server xkb.c _GetCountedString buffer overflowPriority MEDIUM 42
    Show all 2 records → Advisory →
  • Advisory ·

    X.org Server — FEDORA-2022-613e993500

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-03269 X.org Server xkb.c _GetCountedString buffer overflowPriority MEDIUM 42
    Show all 2 records → Advisory →
  • Advisory ·

    X.org Server — DSA-5278

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2022-03269 X.org Server xkb.c _GetCountedString buffer overflowPriority MEDIUM 42
    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 Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:2805, RHSA-2023:2806
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2248, RHSA-2023:2249
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:2806
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:2248
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2022:8491
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2022:8491
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2022:8491
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2022:8491
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2022:8491
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2022:8491
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2022:8491

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-3551
  2. 2026-10-03 Alias added: GHSA-3j3c-w82w-2cmg

References

Patch 1

Advisory 7

  • 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