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Amazon Linux 2023: CVE-2023-5574: Important priority package update for xorg-x11-server

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Amazon Linux 2023: CVE-2023-5574: Important priority package update for xorg-x11-server

Severity
6
CVSS
(AV:L/AC:H/Au:S/C:C/I:C/A:C)
Published
10/25/2023
Created
02/14/2025
Added
02/14/2025
Modified
02/14/2025

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)

  • amazon-linux-2023-upgrade-xorg-x11-server-common
  • amazon-linux-2023-upgrade-xorg-x11-server-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-debugsource
  • amazon-linux-2023-upgrade-xorg-x11-server-devel
  • amazon-linux-2023-upgrade-xorg-x11-server-source
  • amazon-linux-2023-upgrade-xorg-x11-server-xdmx
  • amazon-linux-2023-upgrade-xorg-x11-server-xdmx-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xephyr
  • amazon-linux-2023-upgrade-xorg-x11-server-xephyr-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xnest
  • amazon-linux-2023-upgrade-xorg-x11-server-xnest-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xorg
  • amazon-linux-2023-upgrade-xorg-x11-server-xorg-debuginfo
  • amazon-linux-2023-upgrade-xorg-x11-server-xvfb
  • amazon-linux-2023-upgrade-xorg-x11-server-xvfb-debuginfo

References

  • https://attackerkb.com/topics/cve-2023-5574
  • CVE - 2023-5574
  • https://alas.aws.amazon.com/AL2023/ALAS-2023-444.html
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