| 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, ELA-1223-1 |
| Debian Bugs | 1086244, 1086245 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xorg-server (PTS) | jessie, jessie (lts) | 2:1.16.4-1+deb8u17 | fixed |
| stretch (security) | 2:1.19.2-1+deb9u9 | vulnerable | |
| stretch (lts), stretch | 2:1.19.2-1+deb9u20 | fixed | |
| buster, buster (lts) | 2:1.20.4-1+deb10u15 | fixed | |
| buster (security) | 2:1.20.4-1+deb10u14 | vulnerable | |
| bullseye | 2:1.20.11-1+deb11u13 | vulnerable | |
| bullseye (security) | 2:1.20.11-1+deb11u14 | fixed | |
| bookworm (security), bookworm | 2:21.1.7-3+deb12u8 | fixed | |
| sid, trixie | 2:21.1.14-2 | fixed | |
| xwayland (PTS) | bookworm | 2:22.1.9-1 | vulnerable |
| sid, trixie | 2:24.1.4-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xorg-server | source | jessie | 2:1.16.4-1+deb8u17 | ELA-1223-1 | ||
| xorg-server | source | stretch | 2:1.19.2-1+deb9u20 | ELA-1223-1 | ||
| xorg-server | source | buster | 2:1.20.4-1+deb10u15 | ELA-1223-1 | ||
| xorg-server | source | bullseye | 2:1.20.11-1+deb11u14 | DLA-3940-1 | ||
| xorg-server | source | bookworm | 2:21.1.7-3+deb12u8 | DSA-5800-1 | ||
| xorg-server | source | (unstable) | 2:21.1.13-3.1 | 1086244 | ||
| xwayland | source | (unstable) | 2:24.1.4-1 | 1086245 |
[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