Improper Locking Affecting xorg-x11-server-common package, versions <0:1.20.11-26.el8_10


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.03% (7th percentile)

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  • Snyk IDSNYK-RHEL8-XORGX11SERVERCOMMON-10384716
  • published18 Jun 2025
  • disclosed17 Jun 2025

Introduced: 17 Jun 2025

CVE-2025-49178  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade RHEL:8 xorg-x11-server-common to version 0:1.20.11-26.el8_10 or higher.
This issue was patched in RHSA-2025:9305.

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 RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in the X server's request handling. Non-zero 'bytes to ignore' in a client's request can cause the server to skip processing another client's request, potentially leading to a denial of service.

CVSS Base Scores

version 3.1