发布于3月6日3月6日 Members Amazon Linux AMI 2: CVE-2023-0494: Security patch for tigervnc, xorg-x11-server (Multiple Advisories) Severity 7 CVSS (AV:L/AC:L/Au:S/C:C/I:C/A:C) Published 03/07/2023 Created 03/08/2023 Added 03/07/2023 Modified 01/28/2025 Description A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions. Solution(s) amazon-linux-ami-2-upgrade-tigervnc amazon-linux-ami-2-upgrade-tigervnc-debuginfo amazon-linux-ami-2-upgrade-tigervnc-icons amazon-linux-ami-2-upgrade-tigervnc-license amazon-linux-ami-2-upgrade-tigervnc-server amazon-linux-ami-2-upgrade-tigervnc-server-applet amazon-linux-ami-2-upgrade-tigervnc-server-minimal amazon-linux-ami-2-upgrade-tigervnc-server-module amazon-linux-ami-2-upgrade-xorg-x11-server-common amazon-linux-ami-2-upgrade-xorg-x11-server-debuginfo amazon-linux-ami-2-upgrade-xorg-x11-server-devel amazon-linux-ami-2-upgrade-xorg-x11-server-source amazon-linux-ami-2-upgrade-xorg-x11-server-xdmx amazon-linux-ami-2-upgrade-xorg-x11-server-xephyr amazon-linux-ami-2-upgrade-xorg-x11-server-xnest amazon-linux-ami-2-upgrade-xorg-x11-server-xorg amazon-linux-ami-2-upgrade-xorg-x11-server-xvfb amazon-linux-ami-2-upgrade-xorg-x11-server-xwayland References https://attackerkb.com/topics/cve-2023-0494 AL2/ALAS-2023-1982 AL2/ALAS-2024-2558 CVE - 2023-0494
