USN-6587-1

    Dashboard / Vulnerabilities / USN-6587-1

    USN-6587-1

    Published: 16 Jan 2024Last Modified: 27 Apr 2026

    Summary: xorg-server, xwayland vulnerabilities

    Details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An attacker could possibly use this issue to cause the X Server to crash, obtain sensitive information, or execute arbitrary code. (CVE-2023-6816) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled reattaching to a different master device. An attacker could use this issue to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code. (CVE-2024-0229) Olivier Fourdan and Donn Seeley discovered that the X.Org X Server incorrectly labeled GLX PBuffers when used with SELinux. An attacker could use this issue to cause the X Server to crash, leading to a denial of service. (CVE-2024-0408) Olivier Fourdan discovered that the X.Org X Server incorrectly handled the curser code when used with SELinux. An attacker could use this issue to cause the X Server to crash, leading to a denial of service. (CVE-2024-0409) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the XISendDeviceHierarchyEvent API. An attacker could possibly use this issue to cause the X Server to crash, or execute arbitrary code. (CVE-2024-21885) Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled devices being disabled. An attacker could possibly use this issue to cause the X Server to crash, or execute arbitrary code. (CVE-2024-21886)

    References: https://ubuntu.com/security/notices/USN-6587-1, https://ubuntu.com/security/CVE-2023-6816, https://ubuntu.com/security/CVE-2024-0229, https://ubuntu.com/security/CVE-2024-0408, https://ubuntu.com/security/CVE-2024-0409, https://ubuntu.com/security/CVE-2024-21885, https://ubuntu.com/security/CVE-2024-21886

    Affected packages

    Package

    Name: xorg-server

    Purl: pkg:deb/ubuntu/xorg-server@2:1.20.13-1ubuntu1~20.04.14?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.20.13-1ubuntu1~20.04.14

    Affected versions

    2:1.20.5+git20191008-0ubuntu1
    2:1.20.6-1ubuntu1
    2:1.20.7-2ubuntu1
    2:1.20.7-2ubuntu2
    2:1.20.8-2ubuntu2
    2:1.20.8-2ubuntu2.1
    2:1.20.8-2ubuntu2.2
    2:1.20.8-2ubuntu2.3
    2:1.20.8-2ubuntu2.4
    2:1.20.8-2ubuntu2.6
    2:1.20.9-2ubuntu1.1~20.04.1
    2:1.20.9-2ubuntu1.2~20.04.1
    2:1.20.9-2ubuntu1.2~20.04.2
    2:1.20.11-1ubuntu1~20.04.2
    2:1.20.13-1ubuntu1~20.04.2
    2:1.20.13-1ubuntu1~20.04.3
    2:1.20.13-1ubuntu1~20.04.4
    2:1.20.13-1ubuntu1~20.04.5
    2:1.20.13-1ubuntu1~20.04.6
    2:1.20.13-1ubuntu1~20.04.8
    2:1.20.13-1ubuntu1~20.04.9
    2:1.20.13-1ubuntu1~20.04.12

    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
    USN-6587-1 | CVE-DB