| Name | CVE-2022-46343 |
| Description | A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions. |
| 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-3256-1, DSA-5304-1, ELA-782-1 |
| Debian Bugs | 1026071 |
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 | fixed | |
| bullseye | 2:1.20.11-1+deb11u13 | fixed | |
| 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 | fixed |
| 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+deb8u9 | ELA-782-1 | ||
| xorg-server | source | stretch | 2:1.19.2-1+deb9u12 | ELA-782-1 | ||
| xorg-server | source | buster | 2:1.20.4-1+deb10u7 | DLA-3256-1 | ||
| xorg-server | source | bullseye | 2:1.20.11-1+deb11u4 | DSA-5304-1 | ||
| xorg-server | source | (unstable) | 2:21.1.5-1 | 1026071 | ||
| xwayland | source | (unstable) | 2:22.1.6-1 |
https://lists.x.org/archives/xorg-announce/2022-December/003302.html
https://gitlab.freedesktop.org/xorg/xserver/commit/842ca3ccef100ce010d1d8f5f6d6cc1915055900