| Name | CVE-2022-49737 |
| Description | In X.Org X server 20.11 through 21.1.16, when a client application uses easystroke for mouse gestures, the main thread modifies various data structures used by the input thread without acquiring a lock, aka a race condition. In particular, AttachDevice in dix/devices.c does not acquire an input lock. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1081338 |
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+deb11u15 | vulnerable |
| bookworm, bookworm (security) | 2:21.1.7-3+deb12u9 | vulnerable |
| sid, trixie | 2:21.1.16-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xorg-server | source | (unstable) | (unfixed) | | | 1081338 |
Notes
[bookworm] - xorg-server <postponed> (Minor issue, can be fixed along in future DSA)
[bullseye] - xorg-server <postponed> (Minor issue)
https://gitlab.freedesktop.org/xorg/xserver/-/issues/1260
https://gitlab.freedesktop.org/xorg/xserver/-/commit/dc7cb45482cea6ccec22d117ca0b489500b4d0a0