Libinput: libinput: information disclosure via dangling pointer in lua plugin handling
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | No fix listed | CNA |
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:freedesktop:libinput:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Freedesktop |
| cpe:2.3:o:fedoraproject:fedora:43:*:*:*:*:*:*:* | 43 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:44:*:*:*:*:*:*:* | 44 | Vulnerable | Fedoraproject |
- cpe:2.3:a:freedesktop:libinput:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Freedesktop
- cpe:2.3:o:fedoraproject:fedora:43:*:*:*:*:*:*:* Versions 43 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:44:*:*:*:*:*:*:* Versions 44 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-35094
- 2026-10-03 Alias added: GHSA-9pg8-4hvg-h64m
References
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Sources
- CVE-2026-35094 · CVE Program
- CVE-2026-35094 · NVD
- FIRST EPSS
- GHSA-9pg8-4hvg-h64m · GitHub Advisory Database · CC BY 4.0
- CVE-2026-35094 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences