The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_2170.json

Red Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff




====================================================================
Red Hat Security Advisory

Synopsis:           Moderate: xorg-x11-server-Xwayland security update
Advisory ID:        RHSA-2024:2170-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:2170
Issue date:         2024-04-30
Revision:           03
CVE Names:          CVE-2023-5367
====================================================================

Summary: 

An update for xorg-x11-server-Xwayland 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.




Description:

Xwayland is an X server for running X clients under Wayland.

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)

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.


Solution:

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



CVEs:

CVE-2023-5367

References:

https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.4_release_notes/index
https://bugzilla.redhat.com/show_bug.cgi?id=2243091
https://bugzilla.redhat.com/show_bug.cgi?id=2253291
https://bugzilla.redhat.com/show_bug.cgi?id=2253298
https://bugzilla.redhat.com/show_bug.cgi?id=2256540
https://bugzilla.redhat.com/show_bug.cgi?id=2256542
https://bugzilla.redhat.com/show_bug.cgi?id=2256690
https://bugzilla.redhat.com/show_bug.cgi?id=2257689
https://bugzilla.redhat.com/show_bug.cgi?id=2257690
https://bugzilla.redhat.com/show_bug.cgi?id=2257691