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CVE-2024-0408 Affecting xorg-server package, versions <2:1.20.4-1+deb10u13

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
5.5 medium
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Red Hat
5.5 medium
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SUSE
5.5 medium

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  • Snyk ID SNYK-DEBIAN10-XORGSERVER-6159346
  • published 16 Jan 2024
  • disclosed 18 Jan 2024
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Introduced: 16 Jan 2024

CVE-2024-0408 Open this link in a new tab

How to fix?

Upgrade Debian:10 xorg-server to version 2:1.20.4-1+deb10u13 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL.