openvswitch: limitation in the OVS packet parsing in userspace leads to DoS
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | openvswitch | affected |
|
Configuration 1 [-]
|
Configuration 2 [-]
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Configuration 3 [-]
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| Package | CPE | Advisory | Released Date |
|---|---|---|---|
| Fast Datapath for Red Hat Enterprise Linux 7 | |||
| openvswitch2.11-0:2.11.3-86.el7fdp | cpe:/o:redhat:enterprise_linux:7::fastdatapath | RHSA-2021:0834 | 2021-03-15T00:00:00Z |
| openvswitch2.13-0:2.13.0-81.el7fdp | cpe:/o:redhat:enterprise_linux:7::fastdatapath | RHSA-2021:0835 | 2021-03-15T00:00:00Z |
| openvswitch-0:2.9.9-1.el7fdp | cpe:/o:redhat:enterprise_linux:7::fastdatapath | RHSA-2021:2077 | 2021-05-20T00:00:00Z |
| Fast Datapath for Red Hat Enterprise Linux 8 | |||
| openvswitch2.13-0:2.13.0-79.5.el8fdp | cpe:/o:redhat:enterprise_linux:8::fastdatapath | RHSA-2021:0497 | 2021-02-11T00:00:00Z |
| openvswitch2.11-0:2.11.3-83.el8fdp | cpe:/o:redhat:enterprise_linux:8::fastdatapath | RHSA-2021:0837 | 2021-03-15T00:00:00Z |
| Red Hat OpenStack Platform 13.0 (Queens) | |||
| openvswitch2.11-0:2.11.3-86.el7fdp | cpe:/a:redhat:openstack:13::el7 | RHSA-2021:2456 | 2021-06-16T00:00:00Z |
| Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS | |||
| openvswitch-0:2.9.9-1.el7fdp | cpe:/o:redhat:enterprise_linux:7::hypervisor | RHSA-2021:2077 | 2021-05-20T00:00:00Z |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | |||
| openvswitch2.11-0:2.11.3-86.el7fdp | cpe:/o:redhat:enterprise_linux:7::hypervisor | RHSA-2021:1050 | 2021-03-31T00:00:00Z |
| ovn2.11-0:2.11.1-57.el7fdp | cpe:/o:redhat:enterprise_linux:7::hypervisor | RHSA-2021:1050 | 2021-03-31T00:00:00Z |
No data available yet.
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2571-1 | openvswitch security update |
Debian DSA |
DSA-4852-1 | openvswitch security update |
EUVD |
EUVD-2020-23167 | 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. |
Ubuntu USN |
USN-4729-1 | Open vSwitch vulnerability |
No CVSS v4.0
No CVSS v3.0
This CVE is not in the KEV list.
Exploit prediction score: 8.0% (8.026% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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