vulnerability
Red Hat: CVE-2022-46340: XTestSwapFakeInput stack overflow (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | Dec 14, 2022 | Jan 12, 2023 | Aug 11, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
Dec 14, 2022
Added
Jan 12, 2023
Modified
Aug 11, 2025
Description
A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. This issue does not affect systems where client and server use the same byte order.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-tigervncredhat-upgrade-tigervnc-debuginforedhat-upgrade-tigervnc-debugsourceredhat-upgrade-tigervnc-iconsredhat-upgrade-tigervnc-licenseredhat-upgrade-tigervnc-selinuxredhat-upgrade-tigervnc-serverredhat-upgrade-tigervnc-server-appletredhat-upgrade-tigervnc-server-debuginforedhat-upgrade-tigervnc-server-minimalredhat-upgrade-tigervnc-server-minimal-debuginforedhat-upgrade-tigervnc-server-moduleredhat-upgrade-tigervnc-server-module-debuginforedhat-upgrade-xorg-x11-server-commonredhat-upgrade-xorg-x11-server-debuginforedhat-upgrade-xorg-x11-server-debugsourceredhat-upgrade-xorg-x11-server-develredhat-upgrade-xorg-x11-server-sourceredhat-upgrade-xorg-x11-server-xdmxredhat-upgrade-xorg-x11-server-xdmx-debuginforedhat-upgrade-xorg-x11-server-xephyrredhat-upgrade-xorg-x11-server-xephyr-debuginforedhat-upgrade-xorg-x11-server-xnestredhat-upgrade-xorg-x11-server-xnest-debuginforedhat-upgrade-xorg-x11-server-xorgredhat-upgrade-xorg-x11-server-xorg-debuginforedhat-upgrade-xorg-x11-server-xvfbredhat-upgrade-xorg-x11-server-xvfb-debuginforedhat-upgrade-xorg-x11-server-xwaylandredhat-upgrade-xorg-x11-server-xwayland-debuginforedhat-upgrade-xorg-x11-server-xwayland-debugsource
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.