The session_link_x11_socket function in login/logind-session.c in systemd-logind in…
Priority LOW 28CWE-59Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The session_link_x11_socket function in login/logind-session.c in systemd-logind in systemd, possibly 37 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on the X11 user directory in /run/user/.
Why it matters now
EPSS 0.00352 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 38
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* | up to 037 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:1:*:*:*:*:*:*:* | 1 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:2:*:*:*:*:*:*:* | 2 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:3:*:*:*:*:*:*:* | 3 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:4:*:*:*:*:*:*:* | 4 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:5:*:*:*:*:*:*:* | 5 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:6:*:*:*:*:*:*:* | 6 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:7:*:*:*:*:*:*:* | 7 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:8:*:*:*:*:*:*:* | 8 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:9:*:*:*:*:*:*:* | 9 | Vulnerable | systemd |
- cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* Versions up to 037 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:1:*:*:*:*:*:*:* Versions 1 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:2:*:*:*:*:*:*:* Versions 2 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:3:*:*:*:*:*:*:* Versions 3 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:4:*:*:*:*:*:*:* Versions 4 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·systemd
Show 28 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:systemd_project:systemd:10:*:*:*:*:*:*:* | 10 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:11:*:*:*:*:*:*:* | 11 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:12:*:*:*:*:*:*:* | 12 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:13:*:*:*:*:*:*:* | 13 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:14:*:*:*:*:*:*:* | 14 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:15:*:*:*:*:*:*:* | 15 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:16:*:*:*:*:*:*:* | 16 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:17:*:*:*:*:*:*:* | 17 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:18:*:*:*:*:*:*:* | 18 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:19:*:*:*:*:*:*:* | 19 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:20:*:*:*:*:*:*:* | 20 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:21:*:*:*:*:*:*:* | 21 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:22:*:*:*:*:*:*:* | 22 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:23:*:*:*:*:*:*:* | 23 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:24:*:*:*:*:*:*:* | 24 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:25:*:*:*:*:*:*:* | 25 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:26:*:*:*:*:*:*:* | 26 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:27:*:*:*:*:*:*:* | 27 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:28:*:*:*:*:*:*:* | 28 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:29:*:*:*:*:*:*:* | 29 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:30:*:*:*:*:*:*:* | 30 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:31:*:*:*:*:*:*:* | 31 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:32:*:*:*:*:*:*:* | 32 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:33:*:*:*:*:*:*:* | 33 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:34:*:*:*:*:*:*:* | 34 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:35:*:*:*:*:*:*:* | 35 | Vulnerable | systemd |
| cpe:2.3:a:systemd_project:systemd:36:*:*:*:*:*:*:* | 36 | Vulnerable | systemd |
| cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:* | 12.1 | Vulnerable | openSUSE |
- cpe:2.3:a:systemd_project:systemd:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:11:*:*:*:*:*:*:* Versions 11 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:12:*:*:*:*:*:*:* Versions 12 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:13:*:*:*:*:*:*:* Versions 13 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:14:*:*:*:*:*:*:* Versions 14 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:15:*:*:*:*:*:*:* Versions 15 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:16:*:*:*:*:*:*:* Versions 16 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:17:*:*:*:*:*:*:* Versions 17 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:18:*:*:*:*:*:*:* Versions 18 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:19:*:*:*:*:*:*:* Versions 19 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:21:*:*:*:*:*:*:* Versions 21 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:22:*:*:*:*:*:*:* Versions 22 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:23:*:*:*:*:*:*:* Versions 23 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:24:*:*:*:*:*:*:* Versions 24 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:25:*:*:*:*:*:*:* Versions 25 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:26:*:*:*:*:*:*:* Versions 26 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:27:*:*:*:*:*:*:* Versions 27 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:29:*:*:*:*:*:*:* Versions 29 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·systemd
- cpe:2.3:a:systemd_project:systemd:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·systemd
- cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:* Versions 12.1 Vulnerable ·openSUSE
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0871
- 2026-10-03 Alias added: GHSA-jv9q-v37q-34vv
References
Sources
- CVE-2012-0871 · CVE Program
- CVE-2012-0871 · NVD
- FIRST EPSS
- GHSA-jv9q-v37q-34vv · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0871 · 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