USN-7396-1

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Source
https://ubuntu.com/security/notices/USN-7396-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7396-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-7396-1
Upstream
Related
Published
2025-03-31T12:01:41.988360Z
Modified
2025-09-08T16:41:43Z
Summary
ovn vulnerability
Details

Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handled certain crafted UDP packets. A remote attacker could possibly use this issue to bypass egress ACL rules.

References

Affected packages

Ubuntu:20.04:LTS / ovn

Package

Name
ovn
Purl
pkg:deb/ubuntu/ovn@20.03.2-0ubuntu0.20.04.6?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
20.03.2-0ubuntu0.20.04.6

Affected versions

2.*

2.12.90~git20200107.c80e014d4-0ubuntu1
2.12.90~git20200107.c80e014d4-0ubuntu2

20.*

20.03.0~git20200212.9a4e68ec8-0ubuntu1
20.03.0~git20200212.9a4e68ec8-0ubuntu3
20.03.0-0ubuntu1
20.03.1-0ubuntu1
20.03.1-0ubuntu1.1
20.03.1-0ubuntu1.2
20.03.2-0ubuntu0.20.04.1
20.03.2-0ubuntu0.20.04.2
20.03.2-0ubuntu0.20.04.3
20.03.2-0ubuntu0.20.04.4
20.03.2-0ubuntu0.20.04.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-controller-vtep"
        },
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-ic"
        },
        {
            "binary_version": "20.03.2-0ubuntu0.20.04.6",
            "binary_name": "ovn-ic-db"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / ovn

Package

Name
ovn
Purl
pkg:deb/ubuntu/ovn@22.03.3-0ubuntu0.22.04.5?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
22.03.3-0ubuntu0.22.04.5

Affected versions

21.*

21.09.0~git20210922.6549e5842-0ubuntu1
21.09.0~git20210922.6549e5842-0ubuntu2
21.09.0-0ubuntu2
21.12.0-0ubuntu1

22.*

22.03.0~git20220218.ed81be7-0ubuntu1
22.03.0-0ubuntu1
22.03.2-0ubuntu0.22.04.1
22.03.3-0ubuntu0.22.04.1
22.03.3-0ubuntu0.22.04.2
22.03.3-0ubuntu0.22.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-controller-vtep"
        },
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-ic"
        },
        {
            "binary_version": "22.03.3-0ubuntu0.22.04.5",
            "binary_name": "ovn-ic-db"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:24.04:LTS / ovn

Package

Name
ovn
Purl
pkg:deb/ubuntu/ovn@24.03.2-0ubuntu0.24.04.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
24.03.2-0ubuntu0.24.04.2

Affected versions

23.*

23.09.0-1
23.09.0-2

24.*

24.03.0~git20240205.ebb7076-1
24.03.1-2ubuntu1
24.03.1-2ubuntu3
24.03.2-0ubuntu0.24.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-controller-vtep"
        },
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-ic"
        },
        {
            "binary_version": "24.03.2-0ubuntu0.24.04.2",
            "binary_name": "ovn-ic-db"
        }
    ],
    "availability": "No subscription required"
}