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Oracle Linux: CVE-2023-0494: ELSA-2023-0675: tigervnc and xorg-x11-server security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2023-0494: ELSA-2023-0675:tigervnc and xorg-x11-server security update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
02/07/2023
Created
02/10/2023
Added
02/08/2023
Modified
01/07/2025

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)

  • oracle-linux-upgrade-tigervnc
  • oracle-linux-upgrade-tigervnc-icons
  • oracle-linux-upgrade-tigervnc-license
  • oracle-linux-upgrade-tigervnc-selinux
  • oracle-linux-upgrade-tigervnc-server
  • oracle-linux-upgrade-tigervnc-server-applet
  • oracle-linux-upgrade-tigervnc-server-minimal
  • oracle-linux-upgrade-tigervnc-server-module
  • oracle-linux-upgrade-xorg-x11-server-common
  • oracle-linux-upgrade-xorg-x11-server-devel
  • oracle-linux-upgrade-xorg-x11-server-source
  • oracle-linux-upgrade-xorg-x11-server-xdmx
  • oracle-linux-upgrade-xorg-x11-server-xephyr
  • oracle-linux-upgrade-xorg-x11-server-xnest
  • oracle-linux-upgrade-xorg-x11-server-xorg
  • oracle-linux-upgrade-xorg-x11-server-xvfb
  • oracle-linux-upgrade-xorg-x11-server-xwayland

References

  • https://attackerkb.com/topics/cve-2023-0494
  • CVE - 2023-0494
  • ELSA-2023-0675
  • ELSA-2023-2806
  • ELSA-2023-2248
  • ELSA-2023-2805
  • ELSA-2023-2249
  • ELSA-2023-0622
  • ELSA-2023-0662
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