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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
X.Org Xwayland
Default version status: unaffected
0 to < 24.1.9affected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:24.1.5-5.el10_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
0:24.1.5-5.el10_1 to < *unaffected
Red Hat Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION
Default version status: affected
0:1.1.0-25.el6_10.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
Default version status: affected
0:1.20.4-33.el7_9 to < *unaffected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
Default version status: affected
0:1.8.0-36.el7_9.3 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:21.1.3-19.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:1.20.11-27.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:1.15.0-8.el8_10 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Default version status: affected
0:1.9.0-15.el8_2.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Default version status: affected
0:1.20.6-5.el8_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
0:1.11.0-8.el8_4.14 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
0:1.20.10-3.el8_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
0:1.11.0-8.el8_4.14 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
0:1.20.10-3.el8_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:1.12.0-6.el8_6.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:1.20.11-6.el8_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
0:21.1.3-2.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
0:1.12.0-6.el8_6.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
0:1.20.11-6.el8_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
0:21.1.3-2.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
0:1.12.0-6.el8_6.15 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-6.el8_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-2.el8_6.5 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:1.12.0-15.el8_8.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:1.20.11-17.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
0:21.1.3-12.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:1.12.0-15.el8_8.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-17.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-12.el8_8 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.20.11-32.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.14.1-9.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:23.2.7-5.el9_6 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.15.0-6.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:23.2.7-5.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:1.20.11-32.el9_7 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:1.11.0-22.el9_0.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-12.el9_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-4.el9_0 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:1.12.0-14.el9_2.13 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:1.20.11-19.el9_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:21.1.3-9.el9_2 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:1.13.1-8.el9_4.8 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:1.20.11-27.el9_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:22.1.9-7.el9_4 to < *unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: unknown
References
- https://access.redhat.com/errata/RHSA-2025:19432 ↗
- https://access.redhat.com/errata/RHSA-2025:19433 ↗
- https://access.redhat.com/errata/RHSA-2025:19434 ↗
- https://access.redhat.com/errata/RHSA-2025:19435 ↗
- https://access.redhat.com/errata/RHSA-2025:19489 ↗
- https://access.redhat.com/errata/RHSA-2025:19623 ↗
- https://access.redhat.com/errata/RHSA-2025:19909 ↗
- https://access.redhat.com/errata/RHSA-2025:20958 ↗
- https://access.redhat.com/errata/RHSA-2025:20960 ↗
- https://access.redhat.com/errata/RHSA-2025:20961 ↗
- https://access.redhat.com/errata/RHSA-2025:21035 ↗
- https://access.redhat.com/errata/RHSA-2025:22040 ↗
- https://access.redhat.com/errata/RHSA-2025:22041 ↗
- https://access.redhat.com/errata/RHSA-2025:22051 ↗
- https://access.redhat.com/errata/RHSA-2025:22055 ↗
- https://access.redhat.com/errata/RHSA-2025:22056 ↗
- https://access.redhat.com/errata/RHSA-2025:22077 ↗
- https://access.redhat.com/errata/RHSA-2025:22096 ↗
- https://access.redhat.com/errata/RHSA-2025:22164 ↗
- https://access.redhat.com/errata/RHSA-2025:22167 ↗
- https://access.redhat.com/errata/RHSA-2025:22364 ↗
- https://access.redhat.com/errata/RHSA-2025:22365 ↗
- https://access.redhat.com/errata/RHSA-2025:22426 ↗
- https://access.redhat.com/errata/RHSA-2025:22427 ↗
- https://access.redhat.com/errata/RHSA-2025:22667 ↗
- https://access.redhat.com/errata/RHSA-2025:22729 ↗
- https://access.redhat.com/errata/RHSA-2025:22742 ↗
- https://access.redhat.com/errata/RHSA-2025:22753 ↗
- https://access.redhat.com/errata/RHSA-2026:0031 ↗
- https://access.redhat.com/errata/RHSA-2026:0033 ↗
- https://access.redhat.com/errata/RHSA-2026:0034 ↗
- https://access.redhat.com/errata/RHSA-2026:0035 ↗
- https://access.redhat.com/errata/RHSA-2026:0036 ↗
- https://access.redhat.com/security/cve/CVE-2025-62230 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2402653 ↗
- https://lists.x.org/archives/xorg-announce/2025-October/003635.html ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00033.html ↗
- http://www.openwall.com/lists/oss-security/2025/10/28/7 ↗