Use After Free Affecting xorg-x11-server-common package, versions <0:1.17.4-18.52.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-AMZN201803-XORGX11SERVERCOMMON-6099056
  • published5 Dec 2023
  • disclosed25 Oct 2023

Introduced: 25 Oct 2023

CVE-2023-5380  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 xorg-x11-server-common to version 0:1.17.4-18.52.amzn1 or higher.
This issue was patched in ALAS-2023-1884.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-common package and not the xorg-x11-server-common package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

A use-after-free flaw was found in the xorg-x11-server. An X server crash may occur in 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 within a window on one screen to the root window of the other screen and if the original window is destroyed followed by another window being destroyed.

CVSS Scores

version 3.1