| Name | CVE-2024-9632 |
| Description | A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org server is run with root privileges. |
| 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-3940-1, DSA-5800-1 |
| Debian Bugs | 1086244, 1086245 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xorg-server (PTS) | bullseye | 2:1.20.11-1+deb11u13 | vulnerable |
| bullseye (security) | 2:1.20.11-1+deb11u14 | fixed |
| bookworm, bookworm (security) | 2:21.1.7-3+deb12u8 | fixed |
| trixie | 2:21.1.14-2 | fixed |
| sid | 2:21.1.15-2 | fixed |
| xwayland (PTS) | bookworm | 2:22.1.9-1 | vulnerable |
| sid, trixie | 2:24.1.4-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[bookworm] - xwayland <ignored> (Minor issue; Xwayland shouldn't be running as root)
Fixed by: https://gitlab.freedesktop.org/xorg/xserver/-/commit/85b776571487f52e756f68a069c768757369bfe3
https://lists.freedesktop.org/archives/xorg-announce/2024-October/003545.html