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

Severity

 Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.08% (37th percentile)

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  • Snyk ID SNYK-ALMALINUX9-XORGX11SERVERSOURCE-5646933
  • published 28 May 2023
  • disclosed 15 Nov 2022
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Introduced: 15 Nov 2022

CVE-2022-2320 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 xorg-x11-server-source 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-source package and not the xorg-x11-server-source 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. 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.

References

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
Expand this section

SUSE

7.8 high
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Red Hat

7.8 high