Red Hat Security Advisory: xorg-x11-server-Xwayland security update
Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xmayland: Use-after-free in XPresentNotify structure creation (CVE-2025-62229) * xorg: xwayland: Use-after-free in Xkb client resource removal (CVE-2025-62230) * xorg: xmayland: Value overflow in XkbSetCompatMap() (CVE-2025-62231) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
The Red Hat security advisory RHSA-2025:21035 reports three vulnerabilities in the xorg-x11-server-Xwayland package: CVE-2025-62229 (use-after-free in XPresentNotify structure creation), CVE-2025-62230 (use-after-free in Xkb client resource removal), and CVE-2025-62231 (value overflow in XkbSetCompatMap()). These vulnerabilities affect the Xwayland server, which enables running X clients under Wayland. The advisory covers Red Hat Enterprise Linux 10 and associated CodeReady Linux Builder products on x86_64, s390x, ppc64le, and aarch64 architectures. The vulnerabilities are rated moderate in severity. The advisory provides updated packages to remediate these issues.
Potential Impact
The vulnerabilities involve use-after-free conditions and a value overflow, which could potentially lead to memory corruption or crashes within the Xwayland server component. Such issues may affect the stability or security of systems running X clients under Wayland. The advisory does not report known exploits in the wild. The impact is rated moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10 and related CodeReady Linux Builder products should apply the security update RHSA-2025:21035 promptly. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are specified by the vendor.
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
Description
Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xmayland: Use-after-free in XPresentNotify structure creation (CVE-2025-62229) * xorg: xwayland: Use-after-free in Xkb client resource removal (CVE-2025-62230) * xorg: xmayland: Value overflow in XkbSetCompatMap() (CVE-2025-62231) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
pkg:rpm/redhat/xorg-x11-server-XwaylandRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Red Hat security advisory RHSA-2025:21035 reports three vulnerabilities in the xorg-x11-server-Xwayland package: CVE-2025-62229 (use-after-free in XPresentNotify structure creation), CVE-2025-62230 (use-after-free in Xkb client resource removal), and CVE-2025-62231 (value overflow in XkbSetCompatMap()). These vulnerabilities affect the Xwayland server, which enables running X clients under Wayland. The advisory covers Red Hat Enterprise Linux 10 and associated CodeReady Linux Builder products on x86_64, s390x, ppc64le, and aarch64 architectures. The vulnerabilities are rated moderate in severity. The advisory provides updated packages to remediate these issues.
Potential Impact
The vulnerabilities involve use-after-free conditions and a value overflow, which could potentially lead to memory corruption or crashes within the Xwayland server component. Such issues may affect the stability or security of systems running X clients under Wayland. The advisory does not report known exploits in the wild. The impact is rated moderate by Red Hat Product Security.
Mitigation Recommendations
Red Hat has released updated xorg-x11-server-Xwayland packages that address these vulnerabilities. Users of Red Hat Enterprise Linux 10 and related CodeReady Linux Builder products should apply the security update RHSA-2025:21035 promptly. Detailed update instructions are available at https://access.redhat.com/articles/11258. No additional mitigations are specified by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:21035
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-62230","CVE-2025-62231"]
Threat ID: 6a3da1dd4853345fc182a215
Added to database: 06/25/2026, 21:47:09 UTC
Last enriched: 07/12/2026, 10:53:46 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 42
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