CVE-2024-0409

NameCVE-2024-0409
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3721-1, DSA-5603-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)bullseye2:1.20.11-1+deb11u13fixed
bullseye (security)2:1.20.11-1+deb11u14fixed
bookworm, bookworm (security)2:21.1.7-3+deb12u8fixed
sid, trixie2:21.1.14-2fixed
xwayland (PTS)bookworm2:22.1.9-1vulnerable
sid, trixie2:24.1.4-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xorg-serversourcebuster2:1.20.4-1+deb10u13DLA-3721-1
xorg-serversourcebullseye2:1.20.11-1+deb11u11DSA-5603-1
xorg-serversourcebookworm2:21.1.7-3+deb12u5DSA-5603-1
xorg-serversource(unstable)2:21.1.11-1
xwaylandsource(unstable)2:23.2.4-1

Notes

[bookworm] - xwayland <ignored> (Minor issue; Xwayland shouldn't be running as root)
https://lists.x.org/archives/xorg/2024-January/061525.html
https://gitlab.freedesktop.org/xorg/xserver/-/commit/2ef0f1116c65d5cb06d7b6d83f8a1aea702c94f7

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