Out-of-bounds write in X.org Server - CVE-2022-2320

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Main Vulnerability Database Vulnerabilities #VU65223

Out-of-bounds write in X.org Server - CVE-2022-2320

Published: July 13, 2022 / Updated: July 13, 2022


Vulnerability identifier: #VU65223
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-2320
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

    The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ProcXkbSetDeviceInfo request handler of the Xkb extension. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Affected software

X.org Server
Debian Linux
Oracle Linux
Amazon Linux AMI
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
Anolis OS
CentOS
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
SUSE Linux Enterprise Storage
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Enterprise Linux for ARM 64
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
Slackware Linux
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise Module for Development Tools
SUSE Linux Enterprise Module for Basesystem
SUSE Linux Enterprise Desktop
openSUSE Leap
Ubuntu
openEuler
Fedora
xorg-x11-server (Red Hat package)
xorg-x11-server-Xwayland (Red Hat package)
xorg-x11-xtrans-devel (Red Hat package)
xorg-x11-server
xwayland (Ubuntu package)
xserver-xorg-core (Ubuntu package)
xserver-xorg-core-hwe-16.04 (Ubuntu package)
xwayland-hwe-16.04 (Ubuntu package)
xorg-x11-server-extra-debuginfo
xorg-x11-server-extra
xorg-x11-server-debugsource
xorg-x11-server-debuginfo
xorg-x11-server-sdk
xorg-x11-server-wayland
xorg-x11-server-wayland-debuginfo
xorg-x11-server-source
xorg-x11-server-Xdmx
xorg-x11-server-Xephyr
xorg-x11-server-Xnest
xorg-x11-server-Xorg
xorg-x11-server-Xvfb
xorg-x11-server-Xwayland
xorg-x11-server-common
xorg-x11-server-devel
xwayland-hwe-18.04 (Ubuntu package)
xserver-xorg-core-hwe-18.04 (Ubuntu package)
xorg-x11-server-help
xorg-server (Debian package)
xorg-server-xwayland
x11-base/xorg-server
xorg-x11-server-Xwayland-debugsource
xorg-x11-server-Xwayland-devel
xorg-x11-server-Xwayland-debuginfo
x11-base/xwayland
IBM Security Guardium

How to mitigate CVE-2022-2320

Install updates from vendor's website.

X.org Server - update to 21.1.4
xorg-x11-server (Red Hat package) - addressed in versions 1.20.4-18.el7_9, 1.20.11-9.el8, 1.20.11-11.el9
xorg-x11-server-Xwayland (Red Hat package) - addressed in versions 21.1.3-3.el9, 21.1.3-6.el8
xorg-x11-xtrans-devel (Red Hat package) - update to 1.4.0-4.el8
xorg-x11-server - update to 1.17.4-18.50
xwayland (Ubuntu package) - addressed in versions 2:1.18.40ubuntu0.12+esm2, 2:1.19.6-1ubuntu4.11, 2:1.20.13-1ubuntu1~20.04.3, 2:21.1.2-0ubuntu1.2, 2:22.1.1-1ubuntu0.1
xserver-xorg-core (Ubuntu package) - addressed in versions 2:1.18.40ubuntu0.12+esm2, 2:1.19.6-1ubuntu4.11, 2:1.20.13-1ubuntu1.2, 2:1.20.13-1ubuntu1~20.04.3, 2:21.1.3-2ubuntu2.1
xserver-xorg-core-hwe-16.04 (Ubuntu package) - update to 2:1.18.40ubuntu0.12+esm2
xwayland-hwe-16.04 (Ubuntu package) - update to 2:1.18.40ubuntu0.12+esm2
xorg-x11-server-extra-debuginfo - addressed in versions 1.19.6-4.31.1, 1.19.6-10.32.1, 1.19.6-150000.8.39.1, 1.20.3-150100.14.5.25.1, 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1, 7.6_1.18.3-76.49.1
xorg-x11-server-extra - addressed in versions 1.19.6-4.31.1, 1.19.6-10.32.1, 1.19.6-150000.8.39.1, 1.20.3-150100.14.5.25.1, 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1, 7.6_1.18.3-76.49.1
xorg-x11-server-debugsource - addressed in versions 1.19.6-4.31.1, 1.19.6-10.32.1, 1.19.6-150000.8.39.1, 1.20.3-150100.14.5.25.1, 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1, 7.6_1.18.3-76.49.1
xorg-x11-server-debuginfo - addressed in versions 1.19.6-4.31.1, 1.19.6-10.32.1, 1.19.6-150000.8.39.1, 1.20.3-150100.14.5.25.1, 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1, 7.6_1.18.3-76.49.1
xorg-x11-server - addressed in versions 1.19.6-4.31.1, 1.19.6-10.32.1, 1.19.6-150000.8.39.1, 1.20.3-150100.14.5.25.1, 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1, 7.6_1.18.3-76.49.1
xorg-x11-server-sdk - addressed in versions 1.19.6-10.32.1, 1.19.6-150000.8.39.1, 1.20.3-150100.14.5.25.1, 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1
xorg-x11-server-wayland - update to 1.20.3-150200.22.5.55.1
xorg-x11-server-wayland-debuginfo - update to 1.20.3-150200.22.5.55.1
xorg-x11-server-source - addressed in versions 1.20.3-150200.22.5.55.1, 1.20.3-150400.38.5.1
xorg-x11-server-Xdmx - update to 1.20.4-18
xorg-x11-server-Xephyr - update to 1.20.4-18
xorg-x11-server-Xnest - update to 1.20.4-18
xorg-x11-server-Xorg - update to 1.20.4-18
xorg-x11-server-Xvfb - update to 1.20.4-18
xorg-x11-server-Xwayland - update to 1.20.4-18
xorg-x11-server-common - update to 1.20.4-18
xorg-x11-server-devel - update to 1.20.4-18
xorg-x11-server-source - update to 1.20.4-18
xwayland-hwe-18.04 (Ubuntu package) - update to 2:1.20.8-2ubuntu2.2~18.04.7
xserver-xorg-core-hwe-18.04 (Ubuntu package) - update to 2:1.20.8-2ubuntu2.2~18.04.7
xorg-x11-server-help - update to 1.20.8-11
xorg-x11-server-debuginfo - update to 1.20.8-11
xorg-x11-server-devel - update to 1.20.8-11
xorg-x11-server-debugsource - update to 1.20.8-11
xorg-x11-server-Xephyr - update to 1.20.8-11
xorg-x11-server - update to 1.20.8-11
xorg-server (Debian package) - update to 2:1.20.11-1+deb11u2
xorg-x11-server - addressed in versions 1.20.14-7.fc35, 1.20.14-7.fc36
xorg-server-xwayland - update to 21.1.4
x11-base/xorg-server - update to 21.1.4
xorg-x11-server-Xwayland - addressed in versions 21.1.4-2.fc35, 22.1.3-1.fc36
xorg-x11-server-Xwayland-debugsource - update to 22.1.2-6
xorg-x11-server-Xwayland-devel - update to 22.1.2-6
xorg-x11-server-Xwayland - update to 22.1.2-6
xorg-x11-server-Xwayland-debuginfo - update to 22.1.2-6
x11-base/xwayland - update to 22.1.3

External References

Related Security Bulletins