Improper Protection for Out of Bounds Signal Level Alerts Affecting xorg-x11-server-common package, versions <0:1.20.11-11.el9


Severity

Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.05% (20th percentile)

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  • Snyk ID SNYK-ALMALINUX9-XORGX11SERVERCOMMON-5646918
  • published 28 May 2023
  • disclosed 15 Nov 2022

How to fix?

Upgrade AlmaLinux:9 xorg-x11-server-common to version 0:1.20.11-11.el9 or higher.
This issue was patched in ALSA-2022:8221.

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 AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the ProcXkbSetGeometry function due to improper validation of the request length.

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

7.8 high
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Red Hat

7.6 high