Use After Free Affecting xorg-x11-server package, versions <0:1.20.11-28.el9_6


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.35% (27th percentile)

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  • Snyk IDSNYK-ROCKY9-XORGX11SERVER-13505982
  • published9 Oct 2025
  • disclosed25 Feb 2025

Introduced: 25 Feb 2025

CVE-2025-26600  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 xorg-x11-server to version 0:1.20.11-28.el9_6 or higher.
This issue was patched in RLSA-2025:7163.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server package and not the xorg-x11-server package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.

CVSS Base Scores

version 3.1