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Alma Linux: CVE-2023-5574: Important: tigervnc security update (ALSA-2024-2298)

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Alma Linux: CVE-2023-5574: Important: tigervnc security update (ALSA-2024-2298)

Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
10/25/2023
Created
05/08/2024
Added
05/08/2024
Modified
01/28/2025

Description

A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service.

Solution(s)

  • alma-upgrade-tigervnc
  • alma-upgrade-tigervnc-icons
  • alma-upgrade-tigervnc-license
  • alma-upgrade-tigervnc-selinux
  • alma-upgrade-tigervnc-server
  • alma-upgrade-tigervnc-server-minimal
  • alma-upgrade-tigervnc-server-module

References

  • https://attackerkb.com/topics/cve-2023-5574
  • CVE - 2023-5574
  • https://errata.almalinux.org/9/ALSA-2024-2298.html
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