High
finit — security advisory
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.
- Products
- finit
- Affected versions
- 4.1-1, 4.11-1, 4.12-1, 4.14-1, 4.2-1, 4.7-1, 4.7-1build1, 4.7-1build2, 4.7-3
- Fixed versions
- Not specified
- CVEs
- CVE-2025-29906
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:26 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2025-29906
finit
Fixed versions: Not specified
finit
Fixed versions: Not specified
finit
Fixed versions: Not specified
finit
Fixed versions: Not specified
finit
Fixed versions: Not specified
Complete source record
{
"id": "4c2fcf9f5c592de4e4c1b661a49694d3020ebfefed71479d5e573f6105bd9c01",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-29906",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-29906",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2025-29906",
"products": [
{
"name": {
"value": "finit",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.2-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "finit",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "4.7-1build2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "finit",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.7-3",
"evidence": "/affected/2/versions"
},
{
"value": "4.11-1",
"evidence": "/affected/2/versions"
},
{
"value": "4.12-1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "finit",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.14-1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "finit",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.12-1",
"evidence": "/affected/4/versions"
},
{
"value": "4.14-1",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2025-29906",
"aliases": [
"UBUNTU-CVE-2025-29906"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "finit",
"purl": "pkg:deb/ubuntu/finit?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"4.1-1",
"4.2-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29906.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finit",
"binary_version": "4.2-1"
},
{
"binary_name": "finit-plugins",
"binary_version": "4.2-1"
},
{
"binary_name": "finit-sysv",
"binary_version": "4.2-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "finit",
"purl": "pkg:deb/ubuntu/finit?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"4.2-1",
"4.7-1",
"4.7-1build1",
"4.7-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29906.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finit",
"binary_version": "4.7-1build2"
},
{
"binary_name": "finit-plugins",
"binary_version": "4.7-1build2"
},
{
"binary_name": "finit-sysv",
"binary_version": "4.7-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "finit",
"purl": "pkg:deb/ubuntu/finit?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"4.7-3",
"4.11-1",
"4.12-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29906.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finit",
"binary_version": "4.12-1"
},
{
"binary_name": "finit-plugins",
"binary_version": "4.12-1"
},
{
"binary_name": "finit-sysv",
"binary_version": "4.12-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "finit",
"purl": "pkg:deb/ubuntu/finit?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"4.14-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29906.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finit",
"binary_version": "4.14-1"
},
{
"binary_name": "finit-plugins",
"binary_version": "4.14-1"
},
{
"binary_name": "finit-sysv",
"binary_version": "4.14-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "finit",
"purl": "pkg:deb/ubuntu/finit?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"4.12-1",
"4.14-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-29906.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "finit",
"binary_version": "4.14-1"
},
{
"binary_name": "finit-plugins",
"binary_version": "4.14-1"
},
{
"binary_name": "finit-sysv",
"binary_version": "4.14-1"
}
]
}
}
],
"modified": "2026-10-17T12:56:49.997554672Z",
"provider": "osv",
"upstream": [
"CVE-2025-29906"
],
"references": [
"https://ubuntu.com/security/CVE-2025-29906",
"https://www.cve.org/CVERecord?id=CVE-2025-29906",
"https://github.com/troglobit/finit/commit/6528628b5c771c25ffa0cb1a46c6c89d9d0d69e0",
"https://github.com/troglobit/finit/security/advisories/GHSA-563g-p98j-mc9q"
]
},
"related_cves": [
{
"value": "CVE-2025-29906",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356422,
"published_at": "2025-04-29T23:16:00+00:00"
}