A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the function will return early, not adding the new sync object, possibly causing a use-after-free when the alarm eventually triggers.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-develUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade tigervncUpgrade tigervnc-licenseUpgrade xorg-x11-server-XvfbUpgrade tigervnc-selinuxUpgrade tigervnc-server-moduleUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XorgUpgrade tigervnc-serverUpgrade tigervnc-iconsUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xwayland | Mar 18, 2025 | Feb 25, 2025 |
| Alpine Linux | — | Upgrade xwaylandUpgrade xorg-server | Aug 8, 2025 | Feb 25, 2025 |
| Amazon Linux Ami 2 | — | Upgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xdmx | Mar 26, 2025 | Feb 25, 2025 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-Xorg | Mar 27, 2025 | Feb 25, 2025 |
| Debian | — | Upgrade xwaylandUpgrade xorg-server | Mar 3, 2025 | Feb 25, 2025 |
| Freebsd | — | Upgrade xwaylandUpgrade xorg-serverUpgrade xorg-nextserverUpgrade xorg-vfbserverUpgrade xephyr | Mar 7, 2025 | Mar 6, 2025 |
| Gentoo Linux | — | Upgrade x11-base/xwayland.Upgrade x11-base/xorg-server. | Jun 13, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade xorg-x11-server-help | Jul 11, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade xorg-x11-server-help | Jun 13, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade xorg-x11-server-help | Jul 21, 2025 | Feb 25, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade xorg-x11-server-help | Jul 1, 2025 | Feb 25, 2025 |
| Oracle_linux | — | Upgrade tigervnc-server-moduleUpgrade xorg-x11-server-XnestUpgrade tigervnc-licenseUpgrade tigervnc-iconsUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-serverUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XorgUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XdmxUpgrade tigervnc-server-appletUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade tigervnc | Mar 12, 2025 | Feb 25, 2025 |
| Redhat_linux | — | Upgrade tigervnc-serverUpgrade xorg-x11-server-XnestUpgrade tigervncUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XdmxNo solution existsUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-licenseUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-develUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-XephyrUpgrade tigervnc-server-module-debuginfoUpgrade tigervnc-selinuxUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-server-appletUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade tigervnc-iconsUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-minimalUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-source | Mar 11, 2025 | Feb 25, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-XnestUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-develUpgrade tigervncUpgrade tigervnc-server-module-debuginfoUpgrade tigervnc-serverUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-server-module | May 8, 2025 | Feb 25, 2025 |
| Suse | — | Upgrade xorg-x11-server-sourceUpgrade xorg-x11-server-sdkUpgrade xorg-x11-server-XvfbUpgrade xwaylandUpgrade xorg-x11-serverUpgrade xorg-x11-server-extraUpgrade xorg-x11-server-waylandUpgrade xwayland-devel | Dec 5, 2025 | Mar 14, 2025 |
| Ubuntu | — | Upgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xserver-xorg-core-hwe-18.04 (Ubuntu Pro)Upgrade xserver-xorg-core (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xwayland (Ubuntu Pro)Upgrade xwayland | Feb 26, 2025 | Feb 25, 2025 |
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