Important: xorg-x11-server security update

Related Vulnerabilities: CVE-2023-6816   CVE-2024-0229   CVE-2024-0408   CVE-2024-0409   CVE-2024-21885   CVE-2024-21886  

Synopsis

Important: xorg-x11-server security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

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Topic

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer (CVE-2023-6816)
  • xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access (CVE-2024-0229)
  • xorg-x11-server: SELinux unlabeled GLX PBuffer (CVE-2024-0408)
  • xorg-x11-server: SELinux context corruption (CVE-2024-0409)
  • xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent (CVE-2024-21885)
  • xorg-x11-server: heap buffer overflow in DisableDevice (CVE-2024-21886)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

  • BZ - 2256540 - CVE-2024-21885 xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent
  • BZ - 2256542 - CVE-2024-21886 xorg-x11-server: heap buffer overflow in DisableDevice
  • BZ - 2256690 - CVE-2024-0229 xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access
  • BZ - 2257689 - CVE-2024-0408 xorg-x11-server: SELinux unlabeled GLX PBuffer
  • BZ - 2257690 - CVE-2024-0409 xorg-x11-server: SELinux context corruption
  • BZ - 2257691 - CVE-2023-6816 xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer