RHSA-2024:2169 — Security Advisory

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

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: Out-of-bounds write in XIChangeDeviceProperty/RRChangeOutputProperty (CVE-2023-5367)

• xorg-x11-server: out-of-bounds memory reads/writes in XKB button actions (CVE-2023-6377)

• xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty (CVE-2023-6478)

• 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)

• xorg-x11-server: Use-after-free bug in DestroyWindow (CVE-2023-5380)

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 Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.