CVE-2020-35498

Source
https://cve.org/CVERecord?id=CVE-2020-35498
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-35498.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-35498
Downstream
Related
Published
2021-02-11T18:15:15.677Z
Modified
2026-05-28T04:06:04.773673790Z
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
Summary
[none]
Details

A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

Database specific
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "9.0"
                },
                {
                    "last_affected": "10.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux"
        },
        {
            "extracted_events": [
                {
                    "last_affected": "33"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/openvswitch/ovs

Affected ranges

Type
GIT
Repo
https://github.com/openvswitch/ovs
Events
Database specific
{
    "cpe": "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.5.0"
        },
        {
            "fixed": "2.5.12"
        },
        {
            "introduced": "2.6.0"
        },
        {
            "fixed": "2.6.10"
        },
        {
            "introduced": "2.7.0"
        },
        {
            "fixed": "2.7.13"
        },
        {
            "introduced": "2.8.0"
        },
        {
            "fixed": "2.8.11"
        },
        {
            "introduced": "2.9.0"
        },
        {
            "fixed": "2.9.9"
        },
        {
            "introduced": "2.10.0"
        },
        {
            "fixed": "2.10.7"
        },
        {
            "introduced": "2.11.0"
        },
        {
            "fixed": "2.11.6"
        },
        {
            "introduced": "2.12.0"
        },
        {
            "fixed": "2.12.3"
        },
        {
            "introduced": "2.13.0"
        },
        {
            "fixed": "2.13.3"
        },
        {
            "introduced": "2.14.0"
        },
        {
            "fixed": "2.14.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

v2.*
v2.10.0
v2.10.1
v2.10.2
v2.10.3
v2.10.4
v2.10.5
v2.10.6
v2.11.0
v2.11.1
v2.11.2
v2.11.3
v2.11.4
v2.11.5
v2.12.0
v2.12.1
v2.12.2
v2.13.0
v2.13.1
v2.13.2
v2.14.0
v2.14.1
v2.5.0
v2.5.1
v2.5.10
v2.5.11
v2.5.2
v2.5.3
v2.5.4
v2.5.5
v2.5.6
v2.5.7
v2.5.8
v2.5.9
v2.6.0
v2.6.1
v2.6.2
v2.6.3
v2.6.4
v2.6.5
v2.6.6
v2.6.7
v2.6.8
v2.6.9
v2.7.0
v2.7.1
v2.7.10
v2.7.11
v2.7.12
v2.7.2
v2.7.3
v2.7.4
v2.7.5
v2.7.6
v2.7.7
v2.7.8
v2.7.9
v2.8.0
v2.8.1
v2.8.10
v2.8.2
v2.8.3
v2.8.4
v2.8.5
v2.8.6
v2.8.7
v2.8.8
v2.8.9
v2.9.0
v2.9.1
v2.9.2
v2.9.3
v2.9.4
v2.9.5
v2.9.6
v2.9.7
v2.9.8

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-35498.json"