Security Advisory

CVE-2023-1393

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-03-30 00:00:00

Last updated 2026-01-22 04:55:52

Assigner redhat

State PUBLISHED

Description

A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation. If a client explicitly destroys the compositor overlay window (aka COW), the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-free later.

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