CVE-2025-29906
Finit bundled getty can bypass /bin/login
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.6
Finit bundled getty can bypass /bin/login
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
- Record
CVE-2025-29906- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2025-12769
8.6
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
- Record
EUVD-2025-12769- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
8.6
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
- Record
CVE-2025-29906- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
8.6
Finit bundled getty can bypass /bin/login
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
- Record
CVE-2025-29906- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-29906
8.6
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
- Record
DEBIAN-CVE-2025-29906- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-29906
8.6
Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the tty configuration directive that can bypass /bin/login, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.
- Record
UBUNTU-CVE-2025-29906- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
finitDebian:12 |
All versions, plus listed versions 4.11-14.12-14.14-14.2-14.7-14.7-24.7-3 |
None known |
finitDebian:13 |
before 4.11-1 | 4.11-1 |
finitDebian:14 |
before 4.11-1 | 4.11-1 |
finitUbuntu:22.04:LTS |
All versions, plus listed versions 4.1-14.2-1 |
None known |
finitUbuntu:24.04:LTS |
All versions, plus listed versions 4.2-14.7-14.7-1build14.7-1build2 |
None known |
finitUbuntu:25.10 |
All versions, plus listed versions 4.7-34.11-14.12-1 |
None known |
finitUbuntu:26.10 |
All versions, plus listed versions 4.14-1 |
None known |
finitUbuntu:26.04:LTS |
All versions, plus listed versions 4.12-14.14-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-29906 is a high vulnerability (CVSS 8.6) in Troglobit Finit, published April 29, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. Fixed in finit 4.11-1.
References
github.com/troglobit/finit/security/advisories/GHSA-563g-p98j-mc9q
github.com/troglobit/finit/commit/6528628b5c771c25ffa0cb1a46c6c89d9d0d69e0
github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29906.json
nvd.nist.gov/vuln/detail/CVE-2025-29906
security-tracker.debian.org/tracker/CVE-2025-29906
ubuntu.com/security/CVE-2025-29906
cve.org/CVERecord?id=CVE-2025-29906