kernel: net: openvswitch: fix leak of nested actions

A flaw was found in the Open vSwitch module in the Linux kernel. Improper handling of allocated memory can lead to a memory leak, potentially impacting system performance and resulting in a denial of service...

Moderate: Red Hat Security Advisory: openvswitch2.15 security update

An update for openvswitch2.15 is now available in Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Openstack Neutron has Insufficient Verification of IPv6 addresses

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

GHSA-W8HX-F868-PVCH Openstack Neutron has Insufficient Verification of IPv6 addresses

A flaw was found in openstack-neutron's default Open vSwitch firewall rules. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the IPv6 addresses of other systems on the network, resulting in denial of service or in some...

Openstack Neutron vulnerable to eavesdropping on private traffic

Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance's port is set administratively down prior to live-migration and kept down after the migration is complete. This is possible due ...

GHSA-8Q95-JJ7P-X93X Openstack Neutron vulnerable to eavesdropping on private traffic

Live-migrated instances are briefly able to inspect traffic for other instances on the same hypervisor. This brief window could be extended indefinitely if the instance's port is set administratively down prior to live-migration and kept down after the migration is complete. This is possible due ...

OpenStack Neutron overlapping security group rules prevents compute node network configuration

An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those...

GHSA-JR9M-V5QH-MH2J OpenStack Neutron overlapping security group rules prevents compute node network configuration

An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those...

Virtuozzo Hybrid Infrastructure 5.0 Update 1.1 (5.0.1-53)

This update provides security and stability fixes. Vulnerability id: VSTOR-51927 A security fix for CVE-2022-0378. Vulnerability id: VSTOR-51506 Fixed a connectivity issue when an Open vSwitch bridge is recreated for VLAN physical networks. Vulnerability id: VSTOR-51357 Entering maintenance may g...

USN-5242-1: Open vSwitch vulnerability

It was discovered that Open vSwitch incorrectly handled certain fragmented packets. A remote attacker could possibly use this issue to cause Open vSwitch to consume resources, leading to a denial of service...

vSwitch security vulnerability

Open vSwitch is an open source virtual switch. A security vulnerability exists in Open vSwitch that stems from Open vSwitch incorrectly handling certain fragmented packets. A remote attacker could exploit this issue to cause Open vSwitch to consume resources, resulting in a denial of service...

Ubuntu 21.10 : Open vSwitch vulnerability (USN-5242-1)

The remote Ubuntu 21.10 host has packages installed that are affected by a vulnerability as referenced in the USN-5242-1 advisory. It was discovered that Open vSwitch incorrectly handled certain fragmented packets. A remote attacker could possibly use this issue to cause Open vSwitch to consume...

openvswitch: External triggered memory leak in Open vSwitch while processing fragmented packets

A memory leak was found in Open vSwitch OVS during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments...

Moderate: Red Hat Bug Fix Advisory: openvswitch2.15 update

An update for openvswitch2.15 is now available in Fast Datapath for Red Hat Enterprise Linux 8. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Bug Fixes and Enhancements: Restoring saved flows ovs-ofctl:...

openvswitch: External triggered memory leak in Open vSwitch while processing fragmented packets

A memory leak was found in Open vSwitch OVS during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments...

Moderate: Red Hat Bug Fix Advisory: openvswitch2.13 update

An update for openvswitch2.13 is now available in Fast Datapath for Red Hat Enterprise Linux 8. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Bug Fixes and Enhancements: python-ovs KeyError raised after ovs...

ROS-2-808

2.808 Denial of Service in Open vSwitch CVE-2020-35498 1. Vulnerability Description: The vulnerability allows a remote attacker to perform a denial-of-service DoS attack.Identifier of the Information Security Threats Data Bank of the FSTEC of Russia: BDU:2021-01134 2. Possible measures to...

CVE-2021-3905

A memory leak was found in Open vSwitch OVS during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments...

PT-2021-22361 · Unknown +2 · Openvswitch +2

Name of the Vulnerable Software and Affected Versions: Open vSwitch OVS affected versions not specified Description: A memory leak was found in Open vSwitch OVS during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending...

UBUNTU-CVE-2021-3905

A memory leak was found in Open vSwitch OVS during userspace IP fragmentation processing. An attacker could use this flaw to potentially exhaust available memory by keeping sending packet fragments...