CVE-2020-27827
openvswitch-common: A flaw was found in multiple versions of OpenvSwitch
CVE-2020-27827 is fixed in 18 products on 1 platform, first by openvswitch-common 2.9.7-0ubuntu0.18.04.2, released January 12, 2021. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0324
88th percentile
A flaw was found in multiple versions of OpenvSwitch. Specially craftedLLDP packets can cause memory to be lost when allocating data to handlespecific optional TLVs, potentially causing a denial of service. Thehighest threat from this vulnerability is to system availability.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| lldpd · RHEL 9 | 0:1.0.18-4.el9 | RHSA-2024:9158 | Nov 12, 2024 |
| lldpd · almalinux 9 | 1.0.18-4.el9 | ALSA-2024:9158 | Nov 12, 2024 |
| lldpd · ol 9 | 0:1.0.18-4.el9 | ELSA-2024-9158 | Nov 14, 2024 |
| lldpd · rocky 9 | 0:1.0.18-4.el9 | RLSA-2024:9158 | Mar 17, 2025 |
| lldpd-devel · RHEL 9 | 0:1.0.18-4.el9 | RHSA-2024:9158 | Nov 12, 2024 |
| lldpd-devel · almalinux 9 | 1.0.18-4.el9 | ALSA-2024:9158 | Nov 12, 2024 |
| lldpd-devel · ol 9 | 0:1.0.18-4.el9 | ELSA-2024-9158 | Nov 14, 2024 |
| openvswitch-common · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-common 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-common · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-common 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-common · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-common 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-common · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-common 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-ipsec · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-ipsec 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-ipsec · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-ipsec 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-pki · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-pki 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-pki · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-pki 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-pki · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-pki 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-pki · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-pki 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-source · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-source 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-source · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-source 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-source · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-source 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-switch · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-switch 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-switch · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-switch 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-switch · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-switch 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-switch · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-switch 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-switch-dpdk · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-switch-dpdk 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-switch-dpdk · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-switch-dpdk 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-switch-dpdk · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-switch-dpdk 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-switch-dpdk · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-switch-dpdk 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-test · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-test 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-test · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-test 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-test · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-test 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-test · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-test 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-testcontroller · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-testcontroller 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-testcontroller · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-testcontroller 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-testcontroller · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-testcontroller 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-testcontroller · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-testcontroller 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-vtep · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | openvswitch-vtep 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| openvswitch-vtep · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | openvswitch-vtep 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| openvswitch-vtep · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | openvswitch-vtep 2.15.0-0ubuntu1 | Jan 13, 2021 |
| openvswitch-vtep · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | openvswitch-vtep 2.15.0-0ubuntu1 | Jan 13, 2021 |
| ovn-central · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | ovn-central 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| ovn-common · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | ovn-common 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| ovn-controller-vtep · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | ovn-controller-vtep 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| ovn-docker · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | ovn-docker 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| ovn-host · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | ovn-host 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| python-openvswitch · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | python-openvswitch 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| python3-openvswitch · Ubuntu 18.04.6 LTS (bionic) | 2.9.7-0ubuntu0.18.04.2 | python3-openvswitch 2.9.7-0ubuntu0.18.04.2 | Jan 12, 2021 |
| python3-openvswitch · Ubuntu 20.04 LTS (focal) | 2.13.1-0ubuntu0.20.04.3 | python3-openvswitch 2.13.1-0ubuntu0.20.04.3 | Jan 12, 2021 |
| python3-openvswitch · Ubuntu 24.10 (oracular) | 2.15.0-0ubuntu1 | python3-openvswitch 2.15.0-0ubuntu1 | Jan 13, 2021 |
| python3-openvswitch · Ubuntu 25.04 (plucky) | 2.15.0-0ubuntu1 | python3-openvswitch 2.15.0-0ubuntu1 | Jan 13, 2021 |
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