Out-of-bounds Write Affecting xorg-x11-server package, versions <0:1.20.11-11.el9


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.57% (43rd percentile)

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  • Snyk IDSNYK-ROCKY9-XORGX11SERVER-3270661
  • published5 Jan 2023
  • disclosed1 Sept 2022

Introduced: 1 Sep 2022

CVE-2022-2320  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 xorg-x11-server to version 0:1.20.11-11.el9 or higher.
This issue was patched in RLSA-2022:8221.

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 flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.

CVSS Base Scores

version 3.1