High severity7.3NVD Advisory· Published Oct 30, 2025· Updated Apr 20, 2026
CVE-2025-62230
CVE-2025-62230
Description
A flaw was discovered in the X.Org X server’s X Keyboard (Xkb) extension when handling client resource cleanup. The software frees certain data structures without properly detaching related resources, leading to a use-after-free condition. This can cause memory corruption or a crash when affected clients disconnect.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
49- osv-coords49 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/almalinux/xorg-x11-server-Xwayland-develpkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/xwayland&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Manager%20Server%20LTS%204.3pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/xwayland&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 1.14.1-9.el9_6+ 48 more
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.14.1-9.el9_6
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 1.20.11-27.el8_10
- (no CPE)range: < 21.1.3-19.el8_10
- (no CPE)range: < 24.1.5-5.el10_0
- (no CPE)range: < 21.1.11-150600.5.20.1
- (no CPE)range: < 21.1.15-160000.3.1
- (no CPE)range: < 21.1.15-7.1
- (no CPE)range: < 24.1.1-150600.5.18.1
- (no CPE)range: < 24.1.6-160000.3.1
- (no CPE)range: < 24.1.8-4.1
- (no CPE)range: < 1.20.3-150200.22.5.118.1
- (no CPE)range: < 1.20.3-150200.22.5.118.1
- (no CPE)range: < 1.20.3-150400.38.63.1
- (no CPE)range: < 1.20.3-150400.38.63.1
- (no CPE)range: < 21.1.4-150500.7.43.1
- (no CPE)range: < 21.1.4-150500.7.43.1
- (no CPE)range: < 21.1.11-150600.5.20.1
- (no CPE)range: < 21.1.15-150700.5.11.1
- (no CPE)range: < 21.1.11-150600.5.20.1
- (no CPE)range: < 21.1.15-150700.5.11.1
- (no CPE)range: < 1.19.6-10.94.1
- (no CPE)range: < 1.20.3-150200.22.5.118.1
- (no CPE)range: < 1.20.3-150400.38.63.1
- (no CPE)range: < 21.1.4-150500.7.43.1
- (no CPE)range: < 1.20.3-150200.22.5.118.1
- (no CPE)range: < 1.20.3-150400.38.63.1
- (no CPE)range: < 21.1.4-150500.7.43.1
- (no CPE)range: < 1.19.6-10.94.1
- (no CPE)range: < 1.20.3-150200.22.5.118.1
- (no CPE)range: < 1.20.3-150200.22.5.118.1
- (no CPE)range: < 1.20.3-150400.38.63.1
- (no CPE)range: < 1.20.3-150400.38.63.1
- (no CPE)range: < 24.1.6-160000.3.1
- (no CPE)range: < 24.1.6-160000.3.1
- (no CPE)range: < 24.1.1-150600.5.18.1
- (no CPE)range: < 24.1.5-150700.3.9.1
Patches
Vulnerability mechanics
References
38- www.openwall.com/lists/oss-security/2025/10/28/7nvd
- access.redhat.com/errata/RHSA-2025:19432nvd
- access.redhat.com/errata/RHSA-2025:19433nvd
- access.redhat.com/errata/RHSA-2025:19434nvd
- access.redhat.com/errata/RHSA-2025:19435nvd
- access.redhat.com/errata/RHSA-2025:19489nvd
- access.redhat.com/errata/RHSA-2025:19623nvd
- access.redhat.com/errata/RHSA-2025:19909nvd
- access.redhat.com/errata/RHSA-2025:20958nvd
- access.redhat.com/errata/RHSA-2025:20960nvd
- access.redhat.com/errata/RHSA-2025:20961nvd
- access.redhat.com/errata/RHSA-2025:21035nvd
- access.redhat.com/errata/RHSA-2025:22040nvd
- access.redhat.com/errata/RHSA-2025:22041nvd
- access.redhat.com/errata/RHSA-2025:22051nvd
- access.redhat.com/errata/RHSA-2025:22055nvd
- access.redhat.com/errata/RHSA-2025:22056nvd
- access.redhat.com/errata/RHSA-2025:22077nvd
- access.redhat.com/errata/RHSA-2025:22096nvd
- access.redhat.com/errata/RHSA-2025:22164nvd
- access.redhat.com/errata/RHSA-2025:22167nvd
- access.redhat.com/errata/RHSA-2025:22364nvd
- access.redhat.com/errata/RHSA-2025:22365nvd
- access.redhat.com/errata/RHSA-2025:22426nvd
- access.redhat.com/errata/RHSA-2025:22427nvd
- access.redhat.com/errata/RHSA-2025:22667nvd
- access.redhat.com/errata/RHSA-2025:22729nvd
- access.redhat.com/errata/RHSA-2025:22742nvd
- access.redhat.com/errata/RHSA-2025:22753nvd
- access.redhat.com/errata/RHSA-2026:0031nvd
- access.redhat.com/errata/RHSA-2026:0033nvd
- access.redhat.com/errata/RHSA-2026:0034nvd
- access.redhat.com/errata/RHSA-2026:0035nvd
- access.redhat.com/errata/RHSA-2026:0036nvd
- access.redhat.com/security/cve/CVE-2025-62230nvd
- bugzilla.redhat.com/show_bug.cginvd
- lists.debian.org/debian-lts-announce/2025/10/msg00033.htmlnvd
- lists.x.org/archives/xorg-announce/2025-October/003635.htmlnvd
News mentions
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