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LIN1021-6752 : Security Advisory - xserver-xorg - CVE-2023-5574

Created: Oct 25, 2023    Updated: Oct 27, 2023
Found In Version:
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace


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.

CREATE(Triage):(User=admin) CVE-2023-5574 (
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