Description
A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | — | — |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | — |
| 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 | 2:21.1.10-1 | — |
| Debian 14 | xwayland | 2:23.2.3-1 | — |
| Debian 13 | xorg-server | 2:21.1.10-1 | — |
| Debian 13 | xwayland | 2:23.2.3-1 | — |
| Debian 12 | xorg-server | 2:21.1.7-3+deb12u4 | DSA-5576-2, DSA-5576-1 |
| Debian 12 | xwayland | No fix yet | — |
| Debian 11 | xorg-server | 2:1.20.11-1+deb11u9 | DSA-5576-2, DSA-5576-1 |
| Debian 10 | xorg-server | 2:1.20.4-1+deb10u11 | DLA-3686-2, DLA-3686-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | xorg-server | 2:21.1.10-1ubuntu1 | — |
| Ubuntu 22.04 LTS | xorg-server | 2:21.1.4-2ubuntu1.7~22.04.5 | USN-6555-1 |
| Ubuntu 22.04 LTS | xwayland | 2:22.1.1-1ubuntu0.9 | USN-6555-1 |
| Ubuntu 20.04 LTS | xorg-server | 2:1.20.13-1ubuntu1~20.04.12 | USN-6555-1 |
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+esm3 | USN-6555-2 |
| 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+esm8 | USN-6555-2 |
| 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 | tigervnc +6 | 1.13.1-3.el9_3.3 | RHSA-2024:0010 |
| 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 | tigervnc +6 | 1.13.1-2.el8_9.4 | RHSA-2024:0018 |
| 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 | tigervnc +6 | 1.8.0-28.el7_9 | RHSA-2024:0006 |
| RHEL 7 | xorg-x11-server +9 | 1.20.4-25.el7_9 | RHSA-2024:0009 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | tigervnc +6 | 1.12.0-14.el9_2.2 | RHSA-2023:7886 |
| RHEL 9.0 EUS | tigervnc +6 | 1.11.0-22.el9_0.5 | RHSA-2024:0020 |
| RHEL 8.8 EUS | tigervnc +6 | 1.12.0-15.el8_8.4 | RHSA-2024:0014 |
| RHEL 8.6 EUS | tigervnc +6 | 1.12.0-6.el8_6.6 | RHSA-2024:0015 |
| RHEL 8.4 TUS | tigervnc +6 | 1.11.0-8.el8_4.5 | RHSA-2024:0016 |
| RHEL 8.4 E4S | tigervnc +6 | 1.11.0-8.el8_4.5 | RHSA-2024:0016 |
| RHEL 8.4 AUS | tigervnc +6 | 1.11.0-8.el8_4.5 | RHSA-2024:0016 |
| RHEL 8.2 TUS | tigervnc +6 | 1.9.0-15.el8_2.6 | RHSA-2024:0017 |
| RHEL 8.2 E4S | tigervnc +6 | 1.9.0-15.el8_2.6 | RHSA-2024:0017 |
| RHEL 8.2 AUS | tigervnc +6 | 1.9.0-15.el8_2.6 | RHSA-2024:0017 |
| RHEL 6 ELS | tigervnc +3 | 1.1.0-25.el6_10.14 | RHSA-2025:13998 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | tigervnc +6 | 1.13.1-3.el9_3.3.alma.1 | ALSA-2024:0010 |
| 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 | tigervnc +6 | 1.13.1-2.el8_9.4.alma.1 | ALSA-2024:0018 |
| 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 | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4925-1, SUSE-SU-2023:4789-1 |
| SLES 15 SP5 | xwayland | 22.1.5-150500.7.8.1 | SUSE-SU-2023:4933-1, SUSE-SU-2023:4788-1 |
| SLES 15 SP4 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4949-1, SUSE-SU-2023:4934-1, SUSE-SU-2023:4791-1 |
| SLES 15 SP4 | xwayland | 21.1.4-150400.3.23.1 | SUSE-SU-2023:4926-1, SUSE-SU-2023:4792-1 |
| SLES 15 SP3 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
| SLES 15 SP2 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
| SLES 12 SP5 | xorg-x11-server | 1.19.6-10.59.1 | SUSE-SU-2023:4935-1, SUSE-SU-2023:4790-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
| SLES for SAP 15 SP2 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
| SLES for SAP 12 SP5 | xorg-x11-server | 1.19.6-10.59.1 | SUSE-SU-2023:4935-1, SUSE-SU-2023:4790-1 |
| SLE HPC 15 SP3 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
| SLE HPC 15 SP2 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
| SUSE Enterprise Storage 7.1 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4934-1, SUSE-SU-2023:4789-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | xorg-x11-server | 21.1.9-2.1 | openSUSE-SU-2024:13512-1 |
| openSUSE Tumbleweed | xwayland | 23.2.2-3.1 | openSUSE-SU-2024:13513-1 |
| openSUSE Leap 15.5 | xorg-x11-server | 21.1.4-150500.7.10.1 | SUSE-SU-2023:4925-1, SUSE-SU-2023:4787-1 |
| openSUSE Leap 15.5 | xwayland | 22.1.5-150500.7.8.1 | SUSE-SU-2023:4933-1, SUSE-SU-2023:4788-1 |
| openSUSE Leap 15.4 | xorg-x11-server | 1.20.3-150200.22.5.82.1 | SUSE-SU-2023:4949-1, SUSE-SU-2023:4934-1, SUSE-SU-2023:4791-1 |
| openSUSE Leap 15.4 | xwayland | 21.1.4-150400.3.23.1 | SUSE-SU-2023:4926-1, SUSE-SU-2023:4792-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xorg-server | 21.1.10-r0 | — |
| Alpine v3.23 | xorg-server | 21.1.10-r0 | — |
| Alpine v3.22 | xorg-server | 21.1.10-r0 | — |
| Alpine v3.21 | xorg-server | 21.1.10-r0 | — |
| Alpine v3.20 | xorg-server | 21.1.10-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xorg-server | 21.1.10-r0 | — |
| Alpine v3.18 | xorg-server | 21.1.10-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.amzn2.0.3 | ALAS2-2024-2378 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | xorg-x11-server | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | xorg-x11-server | 1.20.10-5 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | tigervnc +6 | 1.13.1-3.el9_3.3 | ELSA-2024-0010 |
| 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 | tigervnc +6 | 1.13.1-2.el8_9.4 | ELSA-2024-0018 |
| 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 | tigervnc +6 | 1.8.0-28.0.1.el7_9 | ELSA-2024-0006 |
| Oracle Linux 7 | xorg-x11-server-Xdmx +8 | 1.20.4-25.el7_9 | ELSA-2024-0009 |
Advisories 50
- 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-2024:0010 Important: tigervnc security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:2996 Moderate: xorg-x11-server-Xwayland security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:0018 Important: tigervnc security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2025:13998 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 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-2024:2169 Red Hat Security Advisory: xorg-x11-server 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-2024:0018 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0020 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0017 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0016 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0014 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0015 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0010 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0006 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2024:0009 Red Hat Security Advisory: xorg-x11-server security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2023:7886 Red Hat Security Advisory: tigervnc security update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- USN-6555-2 xorg-server vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-6555-1 xorg-server, xwayland vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5576-1 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5576-2 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3686-1 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3686-2 xorg-server - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:4788-1 Security update for xwayland SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4926-1 Security update for xwayland SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4949-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13513-1 xwayland-23.2.2-3.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4792-1 Security update for xwayland SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13512-1 xorg-x11-server-21.1.9-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4925-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4790-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4934-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4791-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4789-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4787-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4933-1 Security update for xwayland SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4935-1 Security update for xorg-x11-server SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-3131 X.Org X11: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 17, 2025
- WID-SEC-2024-1248 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2024
- 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
- ALAS2-2024-2378 Important: xorg-x11-server security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jan 9, 2024
- ELSA-2024-0018 Important: tigervnc security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 4, 2024
References
- RHSA-2023:7886 vendor-advisory
- RHSA-2024:0006 vendor-advisory
- RHSA-2024:0009 vendor-advisory
- RHSA-2024:0010 vendor-advisory
- RHSA-2024:0014 vendor-advisory
- RHSA-2024:0015 vendor-advisory
- RHSA-2024:0016 vendor-advisory
- RHSA-2024:0017 vendor-advisory
- RHSA-2024:0018 vendor-advisory
- RHSA-2024:0020 vendor-advisory
- RHSA-2024:2169 vendor-advisory
- RHSA-2024:2170 vendor-advisory
- RHSA-2024:2995 vendor-advisory
- RHSA-2024:2996 vendor-advisory
- RHSA-2025:13998 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-6377 vdb-entry
- RHBZ#2253291 issue-tracking
- https://gitlab.freedesktop.org/xorg/xserver/-/commit/0c1a93d319558fe3ab2d94f51d174b4f93810afd
- https://lists.x.org/archives/xorg-announce/2023-December/003435.html