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Vulnerability · Published Dec 14, 2022 · Assigned by redhat

CVE-2022-46342

High 8.8

In plain English

A high-severity use-after-free in xorg-x11-server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 27.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X se

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8tigervnc1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8tigervnc-icons1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc-icons1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8tigervnc-license1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc-license1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8tigervnc-selinux1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc-selinux1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8tigervnc-server1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc-server1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8tigervnc-server-minimal1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc-server-minimal1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8tigervnc-server-module1.12.0-15.el8_8ALSA-2023:2830
AlmaLinux:9tigervnc-server-module1.12.0-13.el9_2ALSA-2023:2257
AlmaLinux:8xorg-x11-server-Xdmx1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-Xdmx1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-Xephyr1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-Xephyr1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-Xnest1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-Xnest1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-Xorg1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-Xorg1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-Xvfb1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-Xvfb1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-Xwayland21.1.3-10.el8ALSA-2023:2805
AlmaLinux:9xorg-x11-server-Xwayland21.1.3-7.el9ALSA-2023:2249
AlmaLinux:8xorg-x11-server-common1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-common1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-devel1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-devel1.20.11-17.el9ALSA-2023:2248
AlmaLinux:8xorg-x11-server-source1.20.11-15.el8ALSA-2023:2806
AlmaLinux:9xorg-x11-server-source1.20.11-17.el9ALSA-2023:2248
Alpine:v3.20xorg-server21.1.5-r0ALPINE-CVE-2022-46342
Alpine:v3.21xorg-server21.1.5-r0ALPINE-CVE-2022-46342
Alpine:v3.22xorg-server21.1.5-r0ALPINE-CVE-2022-46342
Alpine:v3.23xorg-server21.1.5-r0ALPINE-CVE-2022-46342
Alpine:v3.24xorg-server21.1.5-r0ALPINE-CVE-2022-46342
Alpine:v3.20xwayland22.1.6-r0ALPINE-CVE-2022-46342
Alpine:v3.21xwayland22.1.6-r0ALPINE-CVE-2022-46342
Alpine:v3.22xwayland22.1.6-r0ALPINE-CVE-2022-46342
Alpine:v3.23xwayland22.1.6-r0ALPINE-CVE-2022-46342
Alpine:v3.24xwayland22.1.6-r0ALPINE-CVE-2022-46342
Debian:12xorg-server2:21.1.5-1DEBIAN-CVE-2022-46342
Debian:13xorg-server2:21.1.5-1DEBIAN-CVE-2022-46342
Debian:14xorg-server2:21.1.5-1DEBIAN-CVE-2022-46342
Debian:12xwayland2:22.1.6-1DEBIAN-CVE-2022-46342
Debian:13xwayland2:22.1.6-1DEBIAN-CVE-2022-46342
Debian:14xwayland2:22.1.6-1DEBIAN-CVE-2022-46342
Ubuntu:22.04:LTSxorg-server2:21.1.3-2ubuntu2.5USN-5778-1
Ubuntu:22.04:LTSxorg-server2:21.1.3-2ubuntu2.5UBUNTU-CVE-2022-46342
Ubuntu:22.04:LTSxwayland2:22.1.1-1ubuntu0.4UBUNTU-CVE-2022-46342
Ubuntu:22.04:LTSxwayland2:22.1.1-1ubuntu0.4USN-5778-1

Affected products (as reported)

VendorProductVersions
n/a xorg-x11-server xorg-x11-server-1.20.4

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References