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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4353-1 xorg-server security update
Debian DSA Debian DSA DSA-6044-1 xorg-server security update
Fixes

Solution

No solution given by the vendor.


Workaround

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

History

Thu, 30 Oct 2025 05:30:00 +0000

Type Values Removed Values Added
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.
Title Xorg: xwayland: use-after-free in xkb client resource removal
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-416
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-10-30T05:19:40.445Z

Reserved: 2025-10-09T04:46:44.074Z

Link: CVE-2025-62230

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-30T06:15:45.593

Modified: 2025-10-30T06:15:45.593

Link: CVE-2025-62230

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.