USN-5065-1: Open vSwitch vulnerability

It was discovered that Open vSwitch incorrectly handled decoding RAWENCAP actions. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code...

CVE-2021-38598

OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address impersonation when the linuxbridge driver with ebtables-nft is used on a Netfilter-based platform. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch c...

lldp/openvswitch: denial of service via externally triggered memory leak

A flaw was found in multiple versions of Open vSwitch. 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...

Debian DSA-4852-1 : openvswitch - security update

Joakim Hindersson discovered that Open vSwitch, a software-based Ethernet virtual switch, allowed a malicious user to cause a denial-of-service by sending a specially crafted packet. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debian...

Network mapping does not work for Hyper-V replicas in Veeam Cloud Connect after renaming Hyper-V virtual switch

Article Applicability This article relates to a known issue documented in the Veeam Cloud Connect User Guide: After you subscribe a tenant to a Hyper-V hardware plan, you cannot rename the virtual switch in Microsoft Hyper-V infrastructure that is used by VM replicas. If you rename the virtual...

The vulnerability of the Microsoft Hyper-V Network Switch virtual programmable switch allows a attacker to gain access to protected information.

The vulnerability of the Microsoft Hyper-V Network Switch virtual programmable switch in Windows operating systems is related to errors in processing input data. Exploiting this vulnerability can allow an attacker to gain access to protected information through a specially created application...

CVE-2019-0715

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

CVE-2019-0717

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the...

The vulnerability of the Microsoft Hyper-V Network Switch virtual programmable switch in Windows operating systems allows a attacker to cause a service failure.

The vulnerability of the Microsoft Hyper-V Network Switch virtual programmable switch in Windows operating systems is related to errors in processing input data. Exploiting this vulnerability can allow an attacker to cause a service failure through a specially created application...

CVE-2018-8437

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers. This CVE ID is...

CVE-2018-8218

A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system, aka "Windows Hyper-V Denial of Service Vulnerability." This affects Windows 10, Windows 10 Servers...

Description of Update Rollup 2 for System Center 2012 R2 Virtual Machine Manager

Description of Update Rollup 2 for System Center 2012 R2 Virtual Machine Manager Summary This article describes the issues that are fixed in Update Rollup 2 for Microsoft System Center 2012 R2 Virtual Machine Manager VMM. There are two updates available for System Center 2012 R2 VMM. One update...

Cisco Nexus 1000v Application Virtual Switch Cisco Discovery Protocol Packet Processing Denial of Service Vulnerability (cisco-sa-20160727-avs)

A vulnerability in Cisco Discovery Protocol packet processing for the Cisco Nexus 1000v Application Virtual Switch AVS could allow an unauthenticated, remote attacker to cause the ESXi hypervisor to crash and display a purple diagnostic screen, resulting in a denial of service DoS condition...

CVE-2016-1465

Cisco Nexus 1000v Application Virtual Switch AVS devices before 5.21SV31.5i allow remote attackers to cause a denial of service ESXi hypervisor crash and purple screen via a crafted Cisco Discovery Protocol packet that triggers an out-of-bounds memory access, aka Bug ID CSCuw57985...

CVE-2016-1465: Undefined Security Weakness

Cisco Nexus 1000v Application Virtual Switch AVS devices before 5.21SV31.5i allow remote attackers to cause a denial of service ESXi hypervisor crash and purple screen via a crafted Cisco Discovery Protocol packet that triggers an out-of-bounds memory access, aka Bug ID CSCuw57985...

Cisco Nexus 1000v Application Virtual Switch Denial of Service Vulnerability

Cisco Nexus 1000v Application Virtual Switch AVS is a suite of virtual switch software developed specifically for virtual machines by Cisco. The software is used to replace Vmware's built-in distributed virtual switch, and contains a hypervisor running inside the Virtual Ethernet Module VEM and...

Cisco Nexus 1000v Application Virtual Switch Cisco Discovery Protocol Packet Processing Denial of Service Vulnerability

A vulnerability in Cisco Discovery Protocol packet processing for the Cisco Nexus 1000v Application Virtual Switch AVS could allow an unauthenticated, remote attacker to cause the ESXi hypervisor to crash and display a purple diagnostic screen, resulting in a denial of service DoS condition. The...

How to Remove ovs-vswitchd Manager Permanently from XenServer Config

This article describes how to remove ovs-vswitchd manager permanently from XenServer config. Citrix Distributed Virtual Switch/Controller DVSC that connects to the open-vswitchd running on the XenServer DOM0 machines. DVSC is proved to cause some trouble with the Virtual Machines VMs. In...

FAQ: VMAC Addresses for NetScaler VPX Appliance Hosted on VMWare EsXi

Q: Does a NetScaler VPX appliance hosted on VMWare EsXi support Virtual Media Access Control VMAC address configuration? A: Yes, a NetScaler VPX appliance hosted on a VMWare ESXi, supports VMAC configuration. To configure the VMAC addresses, enable the Promiscuous mode on the virtual switch. You...

Update for System Center Virtual Machine Manager 2008 R2 (KB982522)

This update resolves multiple issues including GPT disk, quick storage migration QSM, VMWare distributed virtual switch, and virtual networking issues, as described in KB article 982522...