CVE-2025-62230

Xorg: xwayland: use-after-free in xkb client resource removal

State: Published
Severity: 7.3 High
Published: Oct 30, 2025
Updated: Apr 20, 2026
Reserved: Oct 9, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H	redhat

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
XwaylandX.Org	before 24.1.9Affected
Red Hat Enterprise Linux 10Red Hat	0:24.1.5-5.el10_0 and laterNot affected
Red Hat Enterprise Linux 10Red Hat	0:24.1.5-5.el10_1 and laterNot affected
Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSIONRed Hat	0:1.1.0-25.el6_10.15 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:1.20.4-33.el7_9 and laterNot affected
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat	0:1.8.0-36.el7_9.3 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:21.1.3-19.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.20.11-27.el8_10 and laterNot affected
Red Hat Enterprise Linux 8Red Hat	0:1.15.0-8.el8_10 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:1.9.0-15.el8_2.15 and laterNot affected
Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat	0:1.20.6-5.el8_2 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:1.11.0-8.el8_4.14 and laterNot affected
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat	0:1.20.10-3.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat	0:1.11.0-8.el8_4.14 and laterNot affected
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRed Hat	0:1.20.10-3.el8_4 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:1.12.0-6.el8_6.15 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:1.20.11-6.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRed Hat	0:21.1.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:1.12.0-6.el8_6.15 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:1.20.11-6.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRed Hat	0:21.1.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:1.12.0-6.el8_6.15 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:1.20.11-6.el8_6 and laterNot affected
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRed Hat	0:21.1.3-2.el8_6.5 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:1.12.0-15.el8_8.16 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:1.20.11-17.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat	0:21.1.3-12.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:1.12.0-15.el8_8.16 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:1.20.11-17.el8_8 and laterNot affected
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat	0:21.1.3-12.el8_8 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.20.11-32.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.14.1-9.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:23.2.7-5.el9_6 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.15.0-6.el9_7 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:23.2.7-5.el9_7 and laterNot affected
Red Hat Enterprise Linux 9Red Hat	0:1.20.11-32.el9_7 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:1.11.0-22.el9_0.16 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:1.20.11-12.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRed Hat	0:21.1.3-4.el9_0 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:1.12.0-14.el9_2.13 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:1.20.11-19.el9_2 and laterNot affected
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat	0:21.1.3-9.el9_2 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:1.13.1-8.el9_4.8 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:1.20.11-27.el9_4 and laterNot affected
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat	0:22.1.9-7.el9_4 and laterNot affected
Red Hat Enterprise Linux 6Red Hat

References

RHSA-2025:19432vendor-advisory
RHSA-2025:19433vendor-advisory
RHSA-2025:19434vendor-advisory
RHSA-2025:19435vendor-advisory
RHSA-2025:19489vendor-advisory
RHSA-2025:19623vendor-advisory
RHSA-2025:19909vendor-advisory
RHSA-2025:20958vendor-advisory
RHSA-2025:20960vendor-advisory
RHSA-2025:20961vendor-advisory
RHSA-2025:21035vendor-advisory
RHSA-2025:22040vendor-advisory
RHSA-2025:22041vendor-advisory
RHSA-2025:22051vendor-advisory
RHSA-2025:22055vendor-advisory
RHSA-2025:22056vendor-advisory
RHSA-2025:22077vendor-advisory
RHSA-2025:22096vendor-advisory
RHSA-2025:22164vendor-advisory
RHSA-2025:22167vendor-advisory
RHSA-2025:22364vendor-advisory
RHSA-2025:22365vendor-advisory
RHSA-2025:22426vendor-advisory
RHSA-2025:22427vendor-advisory
RHSA-2025:22667vendor-advisory
RHSA-2025:22729vendor-advisory
RHSA-2025:22742vendor-advisory
RHSA-2025:22753vendor-advisory
RHSA-2026:0031vendor-advisory
RHSA-2026:0033vendor-advisory
RHSA-2026:0034vendor-advisory
RHSA-2026:0035vendor-advisory
RHSA-2026:0036vendor-advisory
https://access.redhat.com/security/cve/CVE-2025-62230vdb-entry
RHBZ#2402653issue-tracking
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

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