USN-4729-1

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Source
https://ubuntu.com/security/notices/USN-4729-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4729-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4729-1
Upstream
Related
Published
2021-02-10T15:21:32.487646Z
Modified
2025-10-13T04:35:20Z
Summary
openvswitch vulnerability
Details

Joakim Hindersson discovered that Open vSwitch incorrectly parsed certain network packets. A remote attacker could use this issue to cause a denial of service, or possibly alter packet classification.

References

Affected packages

Ubuntu:16.04:LTS / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.5.9-0ubuntu0.16.04.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.9-0ubuntu0.16.04.3

Affected versions

2.*

2.4.0-0ubuntu4
2.4.0-0ubuntu5
2.5.0~git20160129.46a88d9-0ubuntu1
2.5.0~git20160219.522aca6-0ubuntu1
2.5.0~git20160219.522aca6-0ubuntu2
2.5.0~git20160219.522aca6-0ubuntu3
2.5.0-0ubuntu1
2.5.2-0ubuntu0.16.04.1
2.5.2-0ubuntu0.16.04.2
2.5.2-0ubuntu0.16.04.3
2.5.4-0ubuntu0.16.04.1
2.5.5-0ubuntu0.16.04.1
2.5.5-0ubuntu0.16.04.2
2.5.9-0ubuntu0.16.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-ipsec"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "2.5.9-0ubuntu0.16.04.3",
            "binary_name": "python-openvswitch"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-35498",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.9.8-0ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.8-0ubuntu0.18.04.2

Affected versions

2.*

2.8.0-0ubuntu2
2.8.1-0ubuntu2
2.8.1-0ubuntu3
2.9.0~git20180205.5a39582ca-0ubuntu1
2.9.0-0ubuntu1
2.9.2-0ubuntu0.18.04.2
2.9.2-0ubuntu0.18.04.3
2.9.5-0ubuntu0.18.04.1
2.9.7-0ubuntu0.18.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "ovn-central"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "ovn-common"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "ovn-controller-vtep"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "ovn-docker"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "ovn-host"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "python-openvswitch"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "python3-openvswitch"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-35498",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.13.1-0ubuntu0.20.04.4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.13.1-0ubuntu0.20.04.4

Affected versions

2.*

2.12.0-0ubuntu1
2.12.0-0ubuntu2
2.12.1~git20191107.7accd1302-0ubuntu1
2.12.90~git20200107.af683565b-0ubuntu1
2.12.90~git20200107.af683565b-0ubuntu2
2.12.90~git20200107.af683565b-0ubuntu3
2.13.0~git20200127.dbdf66c29-0ubuntu2
2.13.0~git20200212.15ae9db33-0ubuntu1
2.13.0~git20200212.15ae9db33-0ubuntu2
2.13.0-0ubuntu1
2.13.1-0ubuntu0.20.04.1
2.13.1-0ubuntu0.20.04.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-source"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.13.1-0ubuntu0.20.04.4",
            "binary_name": "python3-openvswitch"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-35498",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}