vulnerability

Amazon Linux 2023: CVE-2022-4283: Important priority package update for xorg-x11-server

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Dec 14, 2022
Added
Feb 17, 2025
Modified
Jul 9, 2025

Description

A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. 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.
A vulnerability was found in X.Org. This issue occurs because the XkbCopyNames function leaves a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests. This flaw can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.

Solutions

amazon-linux-2023-upgrade-xorg-x11-server-commonamazon-linux-2023-upgrade-xorg-x11-server-debuginfoamazon-linux-2023-upgrade-xorg-x11-server-debugsourceamazon-linux-2023-upgrade-xorg-x11-server-develamazon-linux-2023-upgrade-xorg-x11-server-sourceamazon-linux-2023-upgrade-xorg-x11-server-xdmxamazon-linux-2023-upgrade-xorg-x11-server-xdmx-debuginfoamazon-linux-2023-upgrade-xorg-x11-server-xephyramazon-linux-2023-upgrade-xorg-x11-server-xephyr-debuginfoamazon-linux-2023-upgrade-xorg-x11-server-xnestamazon-linux-2023-upgrade-xorg-x11-server-xnest-debuginfoamazon-linux-2023-upgrade-xorg-x11-server-xorgamazon-linux-2023-upgrade-xorg-x11-server-xorg-debuginfoamazon-linux-2023-upgrade-xorg-x11-server-xvfbamazon-linux-2023-upgrade-xorg-x11-server-xvfb-debuginfo
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