High severity7.8NVD Advisory· Published Dec 14, 2022· Updated Jun 17, 2026
CVE-2022-4283
CVE-2022-4283
Description
A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
58- osv-coords56 versionspkg:rpm/almalinux/tigervncpkg:rpm/almalinux/tigervnc-iconspkg:rpm/almalinux/tigervnc-licensepkg:rpm/almalinux/tigervnc-selinuxpkg:rpm/almalinux/tigervnc-serverpkg:rpm/almalinux/tigervnc-server-minimalpkg:rpm/almalinux/tigervnc-server-modulepkg:rpm/almalinux/xorg-x11-server-commonpkg:rpm/almalinux/xorg-x11-server-develpkg:rpm/almalinux/xorg-x11-server-sourcepkg:rpm/almalinux/xorg-x11-server-Xdmxpkg:rpm/almalinux/xorg-x11-server-Xephyrpkg:rpm/almalinux/xorg-x11-server-Xnestpkg:rpm/almalinux/xorg-x11-server-Xorgpkg:rpm/almalinux/xorg-x11-server-Xvfbpkg:rpm/almalinux/xorg-x11-server-Xwaylandpkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/xwayland&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/xorg-x11-server&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4
< 1.12.0-13.el9_2+ 55 more
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.12.0-13.el9_2
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 1.20.11-17.el9
- (no CPE)range: < 21.1.3-7.el9
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150400.38.13.1
- (no CPE)range: < 21.1.4-6.1
- (no CPE)range: < 21.1.4-150400.3.6.1
- (no CPE)range: < 22.1.5-2.1
- (no CPE)range: < 1.20.3-150100.14.5.33.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150100.14.5.33.1
- (no CPE)range: < 1.20.3-150100.14.5.33.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.19.6-150000.8.47.1
- (no CPE)range: < 1.19.6-150000.8.47.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150400.38.13.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150400.38.13.1
- (no CPE)range: < 7.6_1.18.3-76.57.1
- (no CPE)range: < 7.6_1.18.3-76.57.1
- (no CPE)range: < 1.19.6-4.39.1
- (no CPE)range: < 1.19.6-10.40.1
- (no CPE)range: < 1.20.3-150100.14.5.33.1
- (no CPE)range: < 1.20.3-150100.14.5.33.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.19.6-150000.8.47.1
- (no CPE)range: < 1.19.6-4.39.1
- (no CPE)range: < 1.19.6-10.40.1
- (no CPE)range: < 1.19.6-150000.8.47.1
- (no CPE)range: < 1.20.3-150100.14.5.33.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.19.6-10.40.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.20.3-150200.22.5.63.1
- (no CPE)range: < 1.19.6-4.39.1
- (no CPE)range: < 1.19.6-4.39.1
- (no CPE)range: < 21.1.4-150400.3.6.1
Patches
Vulnerability mechanics
References
7- access.redhat.com/security/cve/CVE-2022-4283nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G/nvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA/nvdMailing ListThird Party Advisory
- www.debian.org/security/2022/dsa-5304nvdThird Party Advisory
- security.gentoo.org/glsa/202305-30nvd
News mentions
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