Out-of-Bounds Affecting xorg-x11-server-Xwayland package, versions <0:21.1.3-20.el8_10


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.61% (48th percentile)

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  • Snyk IDSNYK-ROCKY8-XORGX11SERVERXWAYLAND-3192171
  • published5 Jan 2023
  • disclosed17 Dec 2021

Introduced: 17 Dec 2021

CVE-2021-4009  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 xorg-x11-server-Xwayland to version 0:21.1.3-20.el8_10 or higher.
This issue was patched in RLSA-2022:1917.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-Xwayland package and not the xorg-x11-server-Xwayland package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

References

CVSS Base Scores

version 3.1