| Name | CVE-2024-0409 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3721-1, DSA-5603-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xorg-server (PTS) | buster | 2:1.20.4-1+deb10u4 | vulnerable |
| buster (security) | 2:1.20.4-1+deb10u14 | fixed |
| bullseye | 2:1.20.11-1+deb11u11 | fixed |
| bullseye (security) | 2:1.20.11-1+deb11u13 | fixed |
| bookworm | 2:21.1.7-3+deb12u5 | fixed |
| bookworm (security) | 2:21.1.7-3+deb12u7 | fixed |
| trixie, sid | 2:21.1.12-1 | fixed |
| xwayland (PTS) | bookworm | 2:22.1.9-1 | vulnerable |
| trixie | 2:23.2.4-1 | fixed |
| sid | 2:23.2.6-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - xwayland <no-dsa> (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