Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Lightspeed
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Lightspeed
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHBA-2020:0752 - Bug Fix Advisory
Issued:
2020-03-10
Updated:
2020-03-10

RHBA-2020:0752 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

ovn2.12 bug fix and enhancement update

Type/Severity

Bug Fix Advisory

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for ovn2.12 is now available in the Fast Datapath channel of Red Hat
Enterprise Linux 7.

Description

OVN, the Open Virtual Network, is a system to support virtual network
abstraction. OVN complements the existing capabilities of OVS to add
native support for virtual network abstractions, such as virtual L2 and L3
overlays and security groups.

This update adds the ovn2.12 packages to Red Hat Enterprise Linux 7.

Bug Fix(es) and Enhancement(s):

  • [OVN] ovn-controller: crash due to use after free in I-P engine (BZ#1787318)
  • [OVN] ovn-controller: avoid unnecessary recomputes when no SB transaction is available (BZ#1787360)
  • one extra DNSSL is added (BZ#1789476)
  • Dynamic MAC assignments made before generating MAC prefix (BZ#1794671)
  • [OVN] Explosion of logical flows in SB database with a lot of Floating IPs (BZ#1798173)

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Fast Datapath 7 x86_64
  • Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE) 7 ppc64le
  • Red Hat Enterprise Linux Fast Datapath (for IBM z Systems) 7 s390x

Fixes

  • BZ - 1787318 - [OVN] ovn-controller: crash due to use after free in I-P engine
  • BZ - 1787360 - [OVN] ovn-controller: avoid unnecessary recomputes when no SB transaction is available
  • BZ - 1789476 - one extra DNSSL is added
  • BZ - 1794671 - Dynamic MAC assignments made before generating MAC prefix
  • BZ - 1798173 - [OVN] Explosion of logical flows in SB database with a lot of Floating IPs

CVEs

(none)

References

(none)

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Fast Datapath 7

SRPM
ovn2.12-2.12.0-27.el7fdp.src.rpm SHA-256: 2097c43ca1eb1bdf1045f0237be34ccf25fc076f52d9f9354ce3fc79deeb5482
x86_64
ovn2.12-2.12.0-27.el7fdp.x86_64.rpm SHA-256: 42de8839f9a47219843268e8ea955d83c595079103cfa43a6da3cc905fe775b5
ovn2.12-central-2.12.0-27.el7fdp.x86_64.rpm SHA-256: ef2a904faf15951f43b2777eb5136ef6d3340aa264ed43ad20bbc6a37a0ab006
ovn2.12-debuginfo-2.12.0-27.el7fdp.x86_64.rpm SHA-256: d3f1417df0631655f4a3d44084266b6844d1e969e0d59e627c2a76a3d0abcf85
ovn2.12-host-2.12.0-27.el7fdp.x86_64.rpm SHA-256: f57611565c9c518549bcb80295ac6126346f640cd28b7b1765ba15c61e569cc9
ovn2.12-vtep-2.12.0-27.el7fdp.x86_64.rpm SHA-256: ec9e5f1b93d77a7c85f729ff2676a87fd8cda7e1f8e80254da7853fa4bdefbdc

Red Hat Enterprise Linux Fast Datapath (for RHEL Server for IBM Power LE) 7

SRPM
ovn2.12-2.12.0-27.el7fdp.src.rpm SHA-256: 2097c43ca1eb1bdf1045f0237be34ccf25fc076f52d9f9354ce3fc79deeb5482
ppc64le
ovn2.12-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 54471e2c8614f3a39d5d5a6d02b454c09f6d08fc9d12f98ccd3c842cc01fa59f
ovn2.12-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 54471e2c8614f3a39d5d5a6d02b454c09f6d08fc9d12f98ccd3c842cc01fa59f
ovn2.12-central-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 278893926fe126e45e4afd5a81f3cf1f506d9108d1b9d05d9cdea5cc0c8c40d4
ovn2.12-central-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 278893926fe126e45e4afd5a81f3cf1f506d9108d1b9d05d9cdea5cc0c8c40d4
ovn2.12-debuginfo-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 05bdb58fe627d4a2d77f6fa3a115c3e4e7c7be64d9f7d42f8e82cdc89410599f
ovn2.12-debuginfo-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 05bdb58fe627d4a2d77f6fa3a115c3e4e7c7be64d9f7d42f8e82cdc89410599f
ovn2.12-host-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 5adc8f7e82d5fe1742d7346c689f7ea0dbaba74e66d3544d970816b568ae99c8
ovn2.12-host-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 5adc8f7e82d5fe1742d7346c689f7ea0dbaba74e66d3544d970816b568ae99c8
ovn2.12-vtep-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 25b51aeedd9f268b324e10e691bf87e36ad66cc957d0b3852d49cbd180a9111e
ovn2.12-vtep-2.12.0-27.el7fdp.ppc64le.rpm SHA-256: 25b51aeedd9f268b324e10e691bf87e36ad66cc957d0b3852d49cbd180a9111e

Red Hat Enterprise Linux Fast Datapath (for IBM z Systems) 7

SRPM
ovn2.12-2.12.0-27.el7fdp.src.rpm SHA-256: 2097c43ca1eb1bdf1045f0237be34ccf25fc076f52d9f9354ce3fc79deeb5482
s390x
ovn2.12-2.12.0-27.el7fdp.s390x.rpm SHA-256: 8cffbd3576092c20368284fdc261a61060a73157d57b8b22005d6876660b6eeb
ovn2.12-central-2.12.0-27.el7fdp.s390x.rpm SHA-256: 72c23232fde480faa561ca5c22bcb838992f6fbe5cd08776a76274faa476e4e9
ovn2.12-debuginfo-2.12.0-27.el7fdp.s390x.rpm SHA-256: d65d0628fa5876f7421ec2faff8c36ee85db95ed19c36abe4227fd7a9d5e0303
ovn2.12-host-2.12.0-27.el7fdp.s390x.rpm SHA-256: 9d8924f97c33c4291cdb1711900b83a96afc3af3d9d80de22cd8e49c319110e0
ovn2.12-vtep-2.12.0-27.el7fdp.s390x.rpm SHA-256: 4c439adeb09913ea0c51c55982dacdeba17f802a3db9d715b7d3b4a0778db6c0

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility