Red Hat Customer Portal

Skip to main content

Main Navigation

  • Products & Services
    • Back
    • View All Products
    • Infrastructure and Management
      • Back
      • Red Hat Enterprise Linux
      • Red Hat Virtualization
      • Red Hat Identity Management
      • Red Hat Directory Server
      • Red Hat Certificate System
      • Red Hat Satellite
      • Red Hat Subscription Management
      • Red Hat Update Infrastructure
      • Red Hat Insights
      • Red Hat Ansible Automation Platform
    • Cloud Computing
      • Back
      • Red Hat CloudForms
      • Red Hat OpenStack Platform
      • Red Hat OpenShift Container Platform
      • Red Hat OpenShift Online
      • Red Hat OpenShift Dedicated
      • Red Hat Advanced Cluster Management for Kubernetes
      • Red Hat Quay
      • Red Hat CodeReady Workspaces
    • Storage
      • Back
      • Red Hat Gluster Storage
      • Red Hat Hyperconverged Infrastructure
      • Red Hat Ceph Storage
      • Red Hat Openshift Container Storage
    • Runtimes
      • Back
      • Red Hat Runtimes
      • Red Hat JBoss Enterprise Application Platform
      • Red Hat Data Grid
      • Red Hat JBoss Web Server
      • Red Hat Single Sign On
      • Red Hat support for Spring Boot
      • Red Hat build of Node.js
      • Red Hat build of Thorntail
      • Red Hat build of Eclipse Vert.x
      • Red Hat build of OpenJDK
      • Red Hat build of Quarkus
      • Red Hat CodeReady Studio
    • Integration and Automation
      • Back
      • Red Hat Integration
      • Red Hat Fuse
      • Red Hat AMQ
      • Red Hat 3scale API Management
      • Red Hat JBoss Data Virtualization
      • Red Hat Process Automation
      • Red Hat Process Automation Manager
      • Red Hat Decision Manager
    • Support
    • Production Support
    • Development Support
    • Product Life Cycles
    • Documentation
    • Red Hat Enterprise Linux
    • Red Hat JBoss Enterprise Application Platform
    • Red Hat OpenStack Platform
    • Red Hat OpenShift Container Platform
    • Services
    • Consulting
    • Technical Account Management
    • Training & Certifications
    • Ecosystem Catalog
    • Partner Resources
    • Red Hat in the Public Cloud
  • Tools
    • Back
    • Red Hat Insights
    • Tools
    • Solution Engine
    • Packages
    • Errata
    • Customer Portal Labs
    • Explore Labs
    • Configuration
    • Deployment
    • Security
    • Troubleshooting
  • Security
    • Back
    • Product Security Center
    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Security Labs
    • Resources
    • Overview
    • Security Blog
    • Security Measurement
    • Severity Ratings
    • Backporting Policies
    • Product Signing (GPG) Keys
  • Community
    • Back
    • Customer Portal Community
    • Discussions
    • Blogs
    • Private Groups
    • Community Activity
    • Customer Events
    • Red Hat Convergence
    • Red Hat Summit
    • Stories
    • Red Hat Subscription Value
    • You Asked. We Acted.
    • Open Source Communities
  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
  • Account
    • Back
    • Log In
    • Register
    • Red Hat Account Number:
    • Account Details
    • User Management
    • Account Maintenance
    • My Profile
    • Notifications
    • Help
    • Log Out
  • Language
    • Back
    • English
    • 한국어
    • 日本語
    • 中文 (中国)
Red Hat Customer Portal
  • Products & Services
    • Back
    • View All Products
    • Infrastructure and Management
      • Back
      • Red Hat Enterprise Linux
      • Red Hat Virtualization
      • Red Hat Identity Management
      • Red Hat Directory Server
      • Red Hat Certificate System
      • Red Hat Satellite
      • Red Hat Subscription Management
      • Red Hat Update Infrastructure
      • Red Hat Insights
      • Red Hat Ansible Automation Platform
    • Cloud Computing
      • Back
      • Red Hat CloudForms
      • Red Hat OpenStack Platform
      • Red Hat OpenShift Container Platform
      • Red Hat OpenShift Online
      • Red Hat OpenShift Dedicated
      • Red Hat Advanced Cluster Management for Kubernetes
      • Red Hat Quay
      • Red Hat CodeReady Workspaces
    • Storage
      • Back
      • Red Hat Gluster Storage
      • Red Hat Hyperconverged Infrastructure
      • Red Hat Ceph Storage
      • Red Hat Openshift Container Storage
    • Runtimes
      • Back
      • Red Hat Runtimes
      • Red Hat JBoss Enterprise Application Platform
      • Red Hat Data Grid
      • Red Hat JBoss Web Server
      • Red Hat Single Sign On
      • Red Hat support for Spring Boot
      • Red Hat build of Node.js
      • Red Hat build of Thorntail
      • Red Hat build of Eclipse Vert.x
      • Red Hat build of OpenJDK
      • Red Hat build of Quarkus
      • Red Hat CodeReady Studio
    • Integration and Automation
      • Back
      • Red Hat Integration
      • Red Hat Fuse
      • Red Hat AMQ
      • Red Hat 3scale API Management
      • Red Hat JBoss Data Virtualization
      • Red Hat Process Automation
      • Red Hat Process Automation Manager
      • Red Hat Decision Manager
    • Support
    • Production Support
    • Development Support
    • Product Life Cycles
    • Documentation
    • Red Hat Enterprise Linux
    • Red Hat JBoss Enterprise Application Platform
    • Red Hat OpenStack Platform
    • Red Hat OpenShift Container Platform
    • Services
    • Consulting
    • Technical Account Management
    • Training & Certifications
    • Ecosystem Catalog
    • Partner Resources
    • Red Hat in the Public Cloud
  • Tools
    • Back
    • Red Hat Insights
    • Tools
    • Solution Engine
    • Packages
    • Errata
    • Customer Portal Labs
    • Explore Labs
    • Configuration
    • Deployment
    • Security
    • Troubleshooting
  • Security
    • Back
    • Product Security Center
    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Security Labs
    • Resources
    • Overview
    • Security Blog
    • Security Measurement
    • Severity Ratings
    • Backporting Policies
    • Product Signing (GPG) Keys
  • Community
    • Back
    • Customer Portal Community
    • Discussions
    • Blogs
    • Private Groups
    • Community Activity
    • Customer Events
    • Red Hat Convergence
    • Red Hat Summit
    • Stories
    • Red Hat Subscription Value
    • You Asked. We Acted.
    • Open Source Communities
  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
  • Account
    • Back
    • Log In
    • Register
    • Red Hat Account Number:
    • Account Details
    • User Management
    • Account Maintenance
    • My Profile
    • Notifications
    • Help
    • Log Out
  • Language
    • Back
    • English
    • 한국어
    • 日本語
    • 中文 (中国)
  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
  • Search
  • Log In
  • Language
Or troubleshoot an issue.

Log in to Your Red Hat Account

Log In

Your Red Hat account gives you access to your profile, preferences, and services, depending on your status.

Register

If you are a new customer, register now for access to product evaluations and purchasing capabilities.

Need access to an account?

If your company has an existing Red Hat account, your organization administrator can grant you access.

If you have any questions, please contact customer service.

Red Hat Account Number:

Red Hat Account

  • Account Details
  • User Management
  • Account Maintenance
  • Account Team

Customer Portal

  • My Profile
  • Notifications
  • Help

For your security, if you’re on a public computer and have finished using your Red Hat services, please be sure to log out.

Log Out

Select Your Language

  • English
  • 한국어
  • 日本語
  • 中文 (中国)
Red Hat Customer Portal Red Hat Customer Portal
  • Products & Services
  • Tools
  • Security
  • Community
  • Infrastructure and Management

  • Cloud Computing

  • Storage

  • Runtimes

  • Integration and Automation

  • Red Hat Enterprise Linux
  • Red Hat Virtualization
  • Red Hat Identity Management
  • Red Hat Directory Server
  • Red Hat Certificate System
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Update Infrastructure
  • Red Hat Insights
  • Red Hat Ansible Automation Platform
  • Red Hat CloudForms
  • Red Hat OpenStack Platform
  • Red Hat OpenShift Container Platform
  • Red Hat OpenShift Online
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat CodeReady Workspaces
  • Red Hat OpenShift Service on AWS
  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat Openshift Container Storage
  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat Single Sign On
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Thorntail
  • Red Hat build of Eclipse Vert.x
  • Red Hat build of OpenJDK
  • Red Hat build of Quarkus
  • Red Hat CodeReady Studio
  • Red Hat Integration
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
  • Red Hat JBoss Data Virtualization
  • Red Hat Process Automation
  • Red Hat Process Automation Manager
  • Red Hat Decision Manager
View All Products
  • Support
  • Production Support
  • Development Support
  • Product Life Cycles

Services

  • Consulting
  • Technical Account Management
  • Training & Certifications
  • Documentation
  • Red Hat Enterprise Linux
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat OpenStack Platform
  • Red Hat OpenShift Container Platform
  • Ecosystem Catalog
  • Red Hat in the Public Cloud
  • Partner Resources

Tools

  • Solution Engine
  • Packages
  • Errata
  • Customer Portal Labs
  • Configuration
  • Deployment
  • Security
  • Troubleshooting

Red Hat Insights

Increase visibility into IT operations to detect and resolve technical issues before they impact your business.

  • Learn more
  • Go to Insights

Red Hat Product Security Center

Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities.

Product Security Center

Security Updates

  • Security Advisories
  • Red Hat CVE Database
  • Security Labs

Keep your systems secure with Red Hat's specialized responses to security vulnerabilities.

  • View Responses

Resources

  • Overview
  • Security Blog
  • Security Measurement
  • Severity Ratings
  • Backporting Policies
  • Product Signing (GPG) Keys

Customer Portal Community

  • Discussions
  • Blogs
  • Private Groups
  • Community Activity

Customer Events

  • Red Hat Convergence
  • Red Hat Summit

Stories

  • Red Hat Subscription Value
  • You Asked. We Acted.
  • Open Source Communities
Red Hat Product Errata RHSA-2019:3941 - Security Advisory
Issued:
2019-11-21
Updated:
2019-11-21

RHSA-2019:3941 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: OpenShift Container Platform 4.1.24 machine-os-content-container security update

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Container Platform release 4.1.24 is now available with updates to packages and images that fix several bugs and add enhancements.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

This is a text-only advisory for the machine-os-content container image, which includes RPM packages for Red Hat Enterprise Linux CoreOS.

Security Fix(es):

  • A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor, resulting in a severe DoS scenario by halting the processor.

System software like OS OR Virtual Machine Monitor (VMM) use virtual memory system for storing program instructions and data in memory. Virtual Memory system uses Paging structures like Page Tables and Page Directories to manage system memory. The processor's Memory Management Unit (MMU) uses Paging structure entries to translate program's virtual memory addresses to physical memory addresses. The processor stores these address translations into its local cache buffer called - Translation Lookaside Buffer (TLB). TLB has two parts, one for instructions and other for data addresses.

System software can modify its Paging structure entries to change address mappings OR certain attributes like page size etc. Upon such Paging structure alterations in memory, system software must invalidate the corresponding address translations in the processor's TLB cache. But before this TLB invalidation takes place, a privileged guest user may trigger an instruction fetch operation, which could use an already cached, but now invalid, virtual to physical address translation from Instruction TLB (ITLB). Thus accessing an invalid physical memory address and resulting in halting the processor due to the Machine Check Error (MCE) on Page Size Change. (CVE-2018-12207)

  • A flaw was found in the way sudo implemented running commands with an arbitrary user ID. If a sudoers entry is written to allow users to run a command as any user except root, this flaw can be used by an attacker to bypass that restriction. (CVE-2019-14287)
  • An improper authorization flaw was discovered in systemd-resolved in the way it configures the exposed DBus interface org.freedesktop.resolve1. An unprivileged local user could call all DBus methods, even when marked as privileged operations. An attacker could abuse this flaw by changing the DNS, Search Domain, LLMNR, DNSSEC, and other network link settings without any authorization, giving them control of the network names resolution process and causing the system to communicate with wrong or malicious servers. (CVE-2019-15718)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For OpenShift Container Platform 4.1 see the following documentation, which
will be updated shortly for release 4.1.24, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.1/release_notes/ocp-4-1-release-notes.html

Affected Products

  • Red Hat OpenShift Container Platform 4.1 for RHEL 7 x86_64

Fixes

  • BZ - 1646768 - CVE-2018-12207 hw: Machine Check Error on Page Size Change (IFU)
  • BZ - 1746057 - CVE-2019-15718 systemd: systemd-resolved allows unprivileged users to configure DNS
  • BZ - 1760531 - CVE-2019-14287 sudo: Privilege escalation via 'Runas' specification with 'ALL' keyword

CVEs

  • CVE-2018-12207
  • CVE-2019-14287
  • CVE-2019-15718

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/security/vulnerabilities/ifu-page-mce
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat OpenShift Container Platform 4.1 for RHEL 7

    SRPM
    x86_64

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

    Red Hat

    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
    • openshift.com
    • developers.redhat.com
    • connect.redhat.com

    About

    • Red Hat Subscription Value
    • About Red Hat
    • Red Hat Jobs
    Copyright © 2021 Red Hat, Inc.
    • Privacy Statement
    • Customer Portal Terms of Use
    • All Policies and Guidelines
    Red Hat Summit
    Twitter Facebook