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CVE-2020-27827

Status Candidate

Overview

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

Related Files

Gentoo Linux Security Advisory 202311-16
Posted Nov 27, 2023
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202311-16 - Multiple denial of service vulnerabilities have been found in Open vSwitch. Versions greater than or equal to 2.17.6 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2020-27827, CVE-2020-35498, CVE-2021-36980, CVE-2021-3905, CVE-2022-4337, CVE-2022-4338, CVE-2023-1668
SHA-256 | 0bda202461e33ccd269260bad11d7bbc0f0c9faa18de574dd6cb69744849efcc
Red Hat Security Advisory 2021-2456-01
Posted Jun 17, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2456-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
SHA-256 | be163be4e227ea802a893e0fff0bca5a993227cabc865e48a2b0351f3d093edb
Red Hat Security Advisory 2021-2077-01
Posted May 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2077-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include buffer overflow, denial of service, and memory leak vulnerabilities.

tags | advisory, remote, denial of service, overflow, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2015-8011, CVE-2020-27827, CVE-2020-35498
SHA-256 | 705bb18b078700e9fd3519317ba6fa9569a33116767336c61e78eb943ce836ca
Red Hat Security Advisory 2021-1050-01
Posted Mar 31, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1050-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
SHA-256 | 828795c93b0161574d19f6ec50e5a79355295024799c77249b9eeffe0c9f5f99
Red Hat Security Advisory 2021-1051-01
Posted Mar 31, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1051-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, denial of service, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2020-27827
SHA-256 | d5b5450b7bf7fc70a68cede4a2ead2ad68a8cbac211c0ee9719042885f5c1325
Red Hat Security Advisory 2021-0957-01
Posted Mar 30, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0957-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.7.4.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498, CVE-2021-3114
SHA-256 | b61c3df6b3778cb54a2a88c44b50c442274e80f3ed5220e7742d1d6fe42b2da2
Red Hat Security Advisory 2021-0976-01
Posted Mar 24, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0976-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. The ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, denial of service, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2020-27827
SHA-256 | ed6d7e102f1b4e37a2da41f9d1966f2dac7244eb7995ddad82640e346cb8846a
Red Hat Security Advisory 2021-0835-01
Posted Mar 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0835-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
SHA-256 | 304970ae256724244361ab4dc611cc2b38bc271d4307722cf8f07919b3e8ebe8
Red Hat Security Advisory 2021-0837-01
Posted Mar 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0837-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
SHA-256 | b5c6b91d0c637851865f865ab0ca94947144cf03edf73377b5861526d1b52e75
Red Hat Security Advisory 2021-0834-01
Posted Mar 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0834-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
SHA-256 | d36505e7937c648ec63520c804d19eb9a78a730a831faea43ad730a967acb547
Red Hat Security Advisory 2021-0497-01
Posted Feb 11, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0497-01 - Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Issues addressed include denial of service and memory leak vulnerabilities.

tags | advisory, remote, denial of service, vulnerability, protocol, memory leak
systems | linux, redhat
advisories | CVE-2020-27827, CVE-2020-35498
SHA-256 | ebd9f4194d3e935da06d0e637af11162893635850a13479603f1f3c5ff0462cb
Debian Security Advisory 4836-1
Posted Jan 28, 2021
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4836-1 - Two vulnerabilities were discovered in the LLPD implementation of Open vSwitch, a software-based Ethernet virtual switch, which could result in denial of service.

tags | advisory, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2015-8011, CVE-2020-27827
SHA-256 | c2367cc4a03bf127469d0dadf14f09a6ec978d53c85712c68d452cdbd6c5656c
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