发布于3月6日3月6日 Members Rocky Linux: CVE-2023-0494: tigervnc (Multiple Advisories) Severity 7 CVSS (AV:L/AC:L/Au:S/C:C/I:C/A:C) Published 03/27/2023 Created 03/13/2024 Added 03/12/2024 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) rocky-upgrade-tigervnc rocky-upgrade-tigervnc-debuginfo rocky-upgrade-tigervnc-debugsource rocky-upgrade-tigervnc-server rocky-upgrade-tigervnc-server-debuginfo rocky-upgrade-tigervnc-server-minimal rocky-upgrade-tigervnc-server-minimal-debuginfo rocky-upgrade-tigervnc-server-module rocky-upgrade-tigervnc-server-module-debuginfo References https://attackerkb.com/topics/cve-2023-0494 CVE - 2023-0494 https://errata.rockylinux.org/RLSA-2023:0622 https://errata.rockylinux.org/RLSA-2023:0662