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-XvfbUpgrade xorg-x11-server-sourceUpgrade tigervncUpgrade tigervnc-selinuxUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XdmxUpgrade tigervnc-licenseUpgrade xorg-x11-server-develUpgrade tigervnc-server-moduleUpgrade tigervnc-server-minimalUpgrade tigervnc-iconsUpgrade tigervnc-serverUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-common | Mar 18, 2025 | Feb 25, 2025 |
| Alpine Linux | — | Upgrade xorg-serverUpgrade xwayland | 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-XdmxUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-develUpgrade xorg-x11-server-source | Mar 26, 2025 | Feb 25, 2025 |
| Amazon_linux_2023 | — | Upgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-debuginfoUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade xorg-x11-server-develUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-source | Mar 27, 2025 | Feb 25, 2025 |
| Debian | — | Upgrade xorg-serverUpgrade xwayland | Mar 3, 2025 | Feb 25, 2025 |
| Freebsd | — | Upgrade xephyrUpgrade xorg-serverUpgrade xorg-nextserverUpgrade xorg-vfbserverUpgrade xwayland | Mar 7, 2025 | Mar 6, 2025 |
| Gentoo Linux | — | Upgrade x11-base/xorg-server.Upgrade x11-base/xwayland. | 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 xorg-x11-server-XephyrUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xwayland-develUpgrade tigervnc-serverUpgrade tigervnc-licenseUpgrade tigervnc-iconsUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-commonUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-selinuxUpgrade tigervnc-server-appletUpgrade tigervncUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-sourceUpgrade xorg-x11-server-devel | Mar 12, 2025 | Feb 25, 2025 |
| Redhat_linux | — | Upgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xwayland-debugsourceNo solution existsUpgrade xorg-x11-server-debugsourceUpgrade xorg-x11-server-XnestUpgrade tigervncUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade tigervnc-server-minimal-debuginfoUpgrade tigervnc-serverUpgrade tigervnc-debugsourceUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-develUpgrade tigervnc-licenseUpgrade xorg-x11-server-XdmxUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-sourceUpgrade tigervnc-server-moduleUpgrade xorg-x11-server-XephyrUpgrade xorg-x11-server-Xwayland-develUpgrade xorg-x11-server-XwaylandUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-debuginfoUpgrade tigervnc-iconsUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-server-appletUpgrade xorg-x11-server-Xorg-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-XorgUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade tigervnc-selinuxUpgrade tigervnc-server-module-debuginfo | Mar 11, 2025 | Feb 25, 2025 |
| Rocky_linux | — | Upgrade xorg-x11-server-XdmxUpgrade tigervnc-server-minimal-debuginfoUpgrade xorg-x11-server-Xwayland-debuginfoUpgrade tigervnc-server-module-debuginfoUpgrade tigervnc-server-minimalUpgrade xorg-x11-server-Xorg-debuginfoUpgrade xorg-x11-server-XorgUpgrade tigervnc-serverUpgrade xorg-x11-server-Xwayland-debugsourceUpgrade tigervnc-server-moduleUpgrade tigervnc-debugsourceUpgrade xorg-x11-server-XwaylandUpgrade tigervnc-server-debuginfoUpgrade xorg-x11-server-Xvfb-debuginfoUpgrade xorg-x11-server-XephyrUpgrade tigervnc-debuginfoUpgrade xorg-x11-server-XvfbUpgrade tigervncUpgrade xorg-x11-server-Xnest-debuginfoUpgrade xorg-x11-server-XnestUpgrade xorg-x11-server-Xdmx-debuginfoUpgrade xorg-x11-server-commonUpgrade xorg-x11-server-Xephyr-debuginfoUpgrade xorg-x11-server-develUpgrade xorg-x11-server-Xwayland-devel | May 8, 2025 | Feb 25, 2025 |
| Suse | — | Upgrade xorg-x11-serverUpgrade xorg-x11-server-waylandUpgrade xorg-x11-server-extraUpgrade xorg-x11-server-XvfbUpgrade xorg-x11-server-sdkUpgrade xwaylandUpgrade xwayland-develUpgrade xorg-x11-server-source | Dec 5, 2025 | Mar 14, 2025 |
| Ubuntu | — | Upgrade xwaylandUpgrade xserver-xorg-core-hwe-16.04 (Ubuntu Pro)Upgrade xwayland (Ubuntu Pro)Upgrade xserver-xorg-coreUpgrade xwayland-hwe-18.04 (Ubuntu Pro)Upgrade xwayland-hwe-16.04 (Ubuntu Pro)Upgrade xserver-xorg-core (Ubuntu Pro)Upgrade xserver-xorg-core-hwe-18.04 (Ubuntu Pro) | Feb 26, 2025 | Feb 25, 2025 |
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