A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
access.redhat.com/errata/RHSA-2024:0320
access.redhat.com/security/cve/CVE-2024-0409
bugzilla.redhat.com/show_bug.cgi?id=2257690
lists.debian.org/debian-lts-announce/2024/01/msg00016.html
lists.fedoraproject.org/archives/list/[email protected]/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/
lists.fedoraproject.org/archives/list/[email protected]/message/EJBMCWQ54R6ZL3MYU2D2JBW6JMZL7BQW/
lists.fedoraproject.org/archives/list/[email protected]/message/IZ75X54CN4IFYMIV7OK3JVZ57FHQIGIC/
security.gentoo.org/glsa/202401-30
security.netapp.com/advisory/ntap-20240307-0006/