UBUNTU-CVE-2021-3905

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Source
https://ubuntu.com/security/CVE-2021-3905
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3905.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-3905
Upstream
Related
  • USN-5242-1
Withdrawn
2025-07-18T16:46:31Z
Published
2021-11-08T00:00:00Z
Modified
2026-01-30T01:39:15.783208Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments.

References

Affected packages

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 

{
    "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-dbg"
        },
        {
            "binary_version": "2.9.8-0ubuntu0.18.04.2",
            "binary_name": "openvswitch-doc"
        },
        {
            "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"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3905.json"

Ubuntu:20.04:LTS / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.13.3-0ubuntu0.20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.13.3-0ubuntu0.20.04.2

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
2.13.1-0ubuntu0.20.04.4
2.13.3-0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-dbg"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-doc"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-source"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.13.3-0ubuntu0.20.04.2",
            "binary_name": "python3-openvswitch"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3905.json"

Ubuntu:22.04:LTS / openvswitch

Package

Name
openvswitch
Purl
pkg:deb/ubuntu/openvswitch@2.17.0~git20220105.0d1ffb7-0ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.17.0~git20220105.0d1ffb7-0ubuntu1

Affected versions

2.*
2.16.0-0ubuntu2
2.16.0-0ubuntu3
2.16.0-0ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-common"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-dbg"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-doc"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-ipsec"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-pki"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-source"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-switch"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-switch-dpdk"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-test"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-testcontroller"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "openvswitch-vtep"
        },
        {
            "binary_version": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "binary_name": "python3-openvswitch"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3905.json"