Description
A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | xorg-server | 21.1.0 – < 21.1.11 | 21.1.11 |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xorg-server | 2:21.1.11-1 | — |
| Debian 14 | xwayland | 2:23.2.4-1 | — |
| Debian 13 | xorg-server | 2:21.1.11-1 | — |
| Debian 13 | xwayland | 2:23.2.4-1 | — |
| Debian 12 | xorg-server | 2:21.1.7-3+deb12u5 | DSA-5603-1 |
| Debian 12 | xwayland | No fix yet | — |
| Debian 11 | xorg-server | 2:1.20.11-1+deb11u11 | DSA-5603-1 |
| Debian 10 | xorg-server | 2:1.20.4-1+deb10u13 | DLA-3721-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | xwayland | 2:23.2.4-1 | — |
| Ubuntu 22.04 LTS | xorg-server | 2:21.1.4-2ubuntu1.7~22.04.7 | USN-6587-1 |
| Ubuntu 22.04 LTS | xwayland | 2:22.1.1-1ubuntu0.10 | USN-6587-1 |
| Ubuntu 20.04 LTS | xorg-server | 2:1.20.13-1ubuntu1~20.04.14 | USN-6587-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | xorg-server | 2:1.19.6-1ubuntu4.15+esm4 | USN-6587-2 |
| Ubuntu Pro 18.04 LTS | xorg-server-hwe-18.04 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | xorg-server | 2:1.18.4-0ubuntu0.12+esm9 | USN-6587-2 |
| Ubuntu Pro 16.04 LTS | xorg-server-hwe-16.04 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | xorg-server | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | xorg-x11-server +8 | 1.20.11-24.el9 | RHSA-2024:2169 |
| RHEL 9 | xorg-x11-server-Xwayland | 22.1.9-5.el9 | RHSA-2024:2170 |
| RHEL 8 | xorg-x11-server +8 | 1.20.11-22.el8 | RHSA-2024:2995 |
| RHEL 8 | xorg-x11-server-Xwayland | 21.1.3-15.el8 | RHSA-2024:2996 |
| RHEL 7 | xorg-x11-server +9 | 1.20.4-27.el7_9 | RHSA-2024:0320 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | xorg-x11-server-Xdmx +7 | 1.20.11-24.el9 | ALSA-2024:2169 |
| AlmaLinux 9 | xorg-x11-server-Xwayland | 22.1.9-5.el9 | ALSA-2024:2170 |
| AlmaLinux 8 | xorg-x11-server-Xdmx +7 | 1.20.11-22.el8 | ALSA-2024:2995 |
| AlmaLinux 8 | xorg-x11-server-Xwayland | 21.1.3-15.el8 | ALSA-2024:2996 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1, SUSE-SU-2024:0249-1 |
| SLES 15 SP5 | xwayland | 22.1.5-150500.7.17.1 | SUSE-SU-2024:0212-1 |
| SLES 15 SP4 | xorg-x11-server | 1.20.3-150400.38.43.1 | SUSE-SU-2024:0252-1 |
| SLES 15 SP3 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
| SLES 15 SP2 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
| SLES 12 SP5 | xorg-x11-server | 1.19.6-10.68.1 | SUSE-SU-2024:0236-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | xorg-x11-server | 1.20.3-150400.38.43.1 | SUSE-SU-2024:0252-1 |
| SLES for SAP 15 SP3 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
| SLES for SAP 15 SP2 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
| SLES for SAP 12 SP5 | xorg-x11-server | 1.19.6-10.68.1 | SUSE-SU-2024:0236-1 |
| SLE HPC 15 SP4 | xorg-x11-server | 1.20.3-150400.38.43.1 | SUSE-SU-2024:0252-1 |
| SLE HPC 15 SP3 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
| SLE HPC 15 SP2 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
| SUSE Manager Server 4.3 | xorg-x11-server | 1.20.3-150400.38.43.1 | SUSE-SU-2024:0252-1 |
| SUSE Manager Proxy 4.3 | xorg-x11-server | 1.20.3-150400.38.43.1 | SUSE-SU-2024:0252-1 |
| SUSE Enterprise Storage 7.1 | xorg-x11-server | 1.20.3-150200.22.5.91.1 | SUSE-SU-2024:0251-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xorg-x11-server | 21.1.11-1.1 | openSUSE-SU-2024:13597-1 |
| openSUSE Tumbleweed | xwayland | 23.2.4-1.1 | openSUSE-SU-2024:13598-1 |
| openSUSE Leap 15.5 | xorg-x11-server | 21.1.4-150500.7.21.1 | SUSE-SU-2024:0249-1 |
| openSUSE Leap 15.5 | xwayland | 22.1.5-150500.7.17.1 | SUSE-SU-2024:0212-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xorg-server | 21.1.11-r0 | — |
| Alpine v3.24 | xwayland | 23.2.4-r0 | — |
| Alpine v3.23 | xorg-server | 21.1.11-r0 | — |
| Alpine v3.23 | xwayland | 23.2.4-r0 | — |
| Alpine v3.22 | xorg-server | 21.1.11-r0 | — |
| Alpine v3.22 | xwayland | 23.2.4-r0 | — |
| Alpine v3.21 | xorg-server | 21.1.11-r0 | — |
| Alpine v3.21 | xwayland | 23.2.4-r0 | — |
| Alpine v3.20 | xorg-server | 21.1.11-r0 | — |
| Alpine v3.20 | xwayland | 23.2.4-r0 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xorg-server | 21.1.11-r0 | — |
| Alpine v3.19 | xwayland | 23.2.4-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | xorg-x11-server-Xdmx +7 | 1.20.14-30.amzn2023.0.1 | ALAS2023-2024-522 |
| Amazon Linux 2 | xorg-x11-server-Xdmx +8 | 1.20.4-22.amzn2.0.4 | ALAS2-2024-2455 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | xorg-x11-server | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | xorg-x11-server | 1.20.10-12 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | xorg-x11-server-Xdmx +7 | 1.20.11-24.el9 | ELSA-2024-2169 |
| Oracle Linux 9 | xorg-x11-server-Xwayland | 22.1.9-5.el9 | ELSA-2024-2170 |
| Oracle Linux 8 | xorg-x11-server-Xdmx +7 | 1.20.11-22.el8 | ELSA-2024-2995 |
| Oracle Linux 8 | xorg-x11-server-Xwayland | 21.1.3-15.el8 | ELSA-2024-2996 |
| Oracle Linux 7 | xorg-x11-server-Xdmx +8 | 1.20.4-27.el7_9 | ELSA-2024-0320 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | xorg-server | 21.1.10-r5 | — |
Advisories 28
- ALSA-2024:2995 Moderate: xorg-x11-server security update AlmaLinux Security Advisories · Nov 5, 2026
- ALSA-2024:2169 Moderate: xorg-x11-server security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:2170 Moderate: xorg-x11-server-Xwayland security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:2996 Moderate: xorg-x11-server-Xwayland security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:2995 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:2996 Red Hat Security Advisory: xorg-x11-server-Xwayland security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:2170 Red Hat Security Advisory: xorg-x11-server-Xwayland security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:2169 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0320 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- USN-6587-2 xorg-server vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-6587-1 xorg-server, xwayland vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5603-1 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3721-1 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2024:0249-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13598-1 xwayland-23.2.4-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13597-1 xorg-x11-server-21.1.11-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0252-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0212-1 Security update for xwayland SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0236-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0251-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-0127 X.Org X11: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 4, 2025
- ELSA-2024-2995 Moderate: xorg-x11-server security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 23, 2024
- ELSA-2024-2996 Moderate: xorg-x11-server-Xwayland security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 23, 2024
- ELSA-2024-2170 Moderate: xorg-x11-server-Xwayland security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 2, 2024
- ELSA-2024-2169 Moderate: xorg-x11-server security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · May 2, 2024
- ALAS2023-2024-522 Important: xorg-x11-server security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 19, 2024
- ALAS2-2024-2455 Important: xorg-x11-server security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 19, 2024
- ELSA-2024-0320 Important: xorg-x11-server security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 22, 2024
References
- RHSA-2024:0320 vendor-advisory
- RHSA-2024:2169 vendor-advisory
- RHSA-2024:2170 vendor-advisory
- RHSA-2024:2995 vendor-advisory
- RHSA-2024:2996 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2024-0409 vdb-entry
- RHBZ#2257690 issue-tracking