ALSA-2023:6916

    Dashboard / Vulnerabilities / ALSA-2023:6916

    ALSA-2023:6916

    Published: 14 Nov 2023Last Modified: 4 Feb 2026
    Aliases:
    CVE-2023-1393

    Summary: Moderate: xorg-x11-server security and bug fix update

    Details: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. Security Fix(es): * xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability (CVE-2023-1393) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

    References: https://access.redhat.com/errata/RHSA-2023:6916, https://access.redhat.com/security/cve/CVE-2023-1393, https://bugzilla.redhat.com/2180288, https://errata.almalinux.org/8/ALSA-2023-6916.html

    Affected packages

    Package

    Name: xorg-x11-server-Xdmx

    Purl: pkg:rpm/almalinux/xorg-x11-server-Xdmx

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.20.11-17.el8

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    ALSA-2023:6916 | CVE-DB