| Name | CVE-2026-35094 |
| Description | A flaw was found in libinput. An attacker capable of deploying a Lua plugin file in specific system directories can exploit a dangling pointer vulnerability. This occurs when a garbage collection cleanup function is called, leaving a pointer that can then be printed to system logs. This could potentially expose sensitive data if the memory location is re-used, leading to information disclosure. For this exploit to work, Lua plugins must be enabled in libinput and loaded by the compositor. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libinput (PTS) | bullseye | 1.16.4-3 | fixed |
| bookworm | 1.22.1-1 | fixed | |
| trixie | 1.28.1-1 | fixed | |
| forky, sid | 1.31.0-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libinput | source | bullseye | (not affected) | |||
| libinput | source | bookworm | (not affected) | |||
| libinput | source | trixie | (not affected) | |||
| libinput | source | (unstable) | (unfixed) |
[trixie] - libinput <not-affected> (Vulnerable code not present)
[bookworm] - libinput <not-affected> (Vulnerable code not present)
[bullseye] - libinput <not-affected> (Vulnerable code not present)
https://gitlab.freedesktop.org/libinput/libinput/-/work_items/1272
Fixed by: https://gitlab.freedesktop.org/libinput/libinput/-/commit/45506c7b3c8acbe36008975a2ae30d2c1eaf782f (1.31.1)
Fixed by: https://gitlab.freedesktop.org/libinput/libinput/-/commit/af041ea9ed725482e831fa1f6e33cbeb98fcc54f (1.30.3)