usn-7478-1
Vulnerability from osv_ubuntu
Published
2025-05-05 12:05
Modified
2026-04-27 14:11
Summary
corosync vulnerability
Details
It was discovered that Corosync incorrectly handled certain large UDP packets. If encryption is disabled, or an attacker knows the encryption key, this issue could be used to cause Corosync to crash, resulting in a denial of service.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-30472",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "corosync",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "corosync-notifyd",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "corosync-vqsim",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libcfg7",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libcmap4",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libcorosync-common4",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libcpg4",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libquorum5",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libsam4",
"binary_version": "3.0.3-2ubuntu2.2"
},
{
"binary_name": "libvotequorum8",
"binary_version": "3.0.3-2ubuntu2.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "corosync",
"purl": "pkg:deb/ubuntu/corosync@3.0.3-2ubuntu2.2?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.3-2ubuntu2.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0.1-2ubuntu1",
"3.0.2-1ubuntu1",
"3.0.2-1ubuntu2",
"3.0.3-2ubuntu1",
"3.0.3-2ubuntu2",
"3.0.3-2ubuntu2.1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-30472",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "corosync",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "corosync-notifyd",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "corosync-vqsim",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libcfg7",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libcmap4",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libcorosync-common4",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libcpg4",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libquorum5",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libsam4",
"binary_version": "3.1.6-1ubuntu1.1"
},
{
"binary_name": "libvotequorum8",
"binary_version": "3.1.6-1ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "corosync",
"purl": "pkg:deb/ubuntu/corosync@3.1.6-1ubuntu1.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.6-1ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.1.2-2ubuntu1",
"3.1.6-1ubuntu1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2025-30472",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "corosync",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "corosync-notifyd",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "corosync-vqsim",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libcfg7",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libcmap4",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libcorosync-common4",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libcpg4",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libquorum5",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libsam4",
"binary_version": "3.1.7-1ubuntu3.1"
},
{
"binary_name": "libvotequorum8",
"binary_version": "3.1.7-1ubuntu3.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "corosync",
"purl": "pkg:deb/ubuntu/corosync@3.1.7-1ubuntu3.1?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.7-1ubuntu3.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.1.7-1ubuntu1",
"3.1.7-1ubuntu2",
"3.1.7-1ubuntu3"
]
}
],
"aliases": [],
"details": "It was discovered that Corosync incorrectly handled certain large UDP\npackets. If encryption is disabled, or an attacker knows the encryption\nkey, this issue could be used to cause Corosync to crash, resulting in a\ndenial of service.\n",
"id": "USN-7478-1",
"modified": "2026-04-27T14:11:42Z",
"published": "2025-05-05T12:05:14Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-7478-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2025-30472"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "corosync vulnerability",
"upstream": [
"UBUNTU-CVE-2025-30472"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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