Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
  • Products & Services

    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
    All Documentation

    Ecosystem Catalog

    • Red Hat Partner Ecosystem
    • Partner Resources
  • Tools

    Tools

    • Troubleshoot a product issue
    • Packages
    • Errata

    Customer Portal Labs

    • Configuration
    • Deployment
    • Security
    • Troubleshoot
    All labs

    Red Hat Insights

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

    Learn More
    Go to Insights
  • Security

    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

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

    Customer Portal Community

    • Discussions
    • Private Groups
    Community Activity

    Customer Events

    • Red Hat Convergence
    • Red Hat Summit

    Stories

    • Red Hat Subscription Value
    • You Asked. We Acted.
    • Open Source Communities
Or troubleshoot an issue.

Select Your Language

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

Infrastructure and Management

  • 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

  • Red Hat OpenShift
  • Red Hat CloudForms
  • Red Hat OpenStack Platform
  • Red Hat OpenShift Container Platform
  • Red Hat OpenShift Data Science
  • Red Hat OpenShift Online
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat CodeReady Workspaces
  • 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 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

Integration and Automation

  • 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
All Products
Red Hat Product Errata RHSA-2021:0459 - Security Advisory
Issued:
2021-02-09
Updated:
2021-02-09

RHSA-2021:0459 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: qemu-kvm-rhev security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3.

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 each vulnerability from the CVE link(s) in the References section.

Description

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

Security Fix(es):

  • QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983)
  • QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c (CVE-2020-16092)

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 details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/2974891

After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.

Affected Products

  • Red Hat Virtualization Manager 4.3 x86_64
  • Red Hat Virtualization 4 for RHEL 7 x86_64
  • Red Hat Virtualization for IBM Power LE 4 for RHEL 7 ppc64le

Fixes

  • BZ - 1829825 - CVE-2020-1983 QEMU: slirp: use-after-free in ip_reass() function in ip_input.c
  • BZ - 1860283 - CVE-2020-16092 QEMU: reachable assertion failure in net_tx_pkt_add_raw_fragment() in hw/net/net_tx_pkt.c

CVEs

  • CVE-2020-1983
  • CVE-2020-16092

References

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

Red Hat Virtualization Manager 4.3

SRPM
qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm SHA-256: 2856044b7b6a50a56d8b7bb89ed8b372439820023b24d986146411310fb6e9ba
x86_64
qemu-img-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: 24e481e6ac20f95bc5dfbe230ee80b146673ffcaebd12b31167779172859476f
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: 342e90aca33fc4bb5fdf15e76d45452751781c68610b26233f6bf3848036b58a
qemu-kvm-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: 09a6bdb11f0a10c7e904a73081d34f11c761d535c999e8d2db8841e4bc7564c4
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: a45554f2d2e58d06294cd9f9166d6f1b106c11fe072ce9c5eedbff0d296a9728
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: ae2b3af93e9bed6f34879b767af56a920b4b9ea302a9bdf81b5c922da6eb861b

Red Hat Virtualization 4 for RHEL 7

SRPM
qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm SHA-256: 2856044b7b6a50a56d8b7bb89ed8b372439820023b24d986146411310fb6e9ba
x86_64
qemu-img-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: 24e481e6ac20f95bc5dfbe230ee80b146673ffcaebd12b31167779172859476f
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: 342e90aca33fc4bb5fdf15e76d45452751781c68610b26233f6bf3848036b58a
qemu-kvm-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: 09a6bdb11f0a10c7e904a73081d34f11c761d535c999e8d2db8841e4bc7564c4
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: a45554f2d2e58d06294cd9f9166d6f1b106c11fe072ce9c5eedbff0d296a9728
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.x86_64.rpm SHA-256: ae2b3af93e9bed6f34879b767af56a920b4b9ea302a9bdf81b5c922da6eb861b

Red Hat Virtualization for IBM Power LE 4 for RHEL 7

SRPM
qemu-kvm-rhev-2.12.0-48.el7_9.2.src.rpm SHA-256: 2856044b7b6a50a56d8b7bb89ed8b372439820023b24d986146411310fb6e9ba
ppc64le
qemu-img-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: 24dc03831166ce6a3b2cc2a69139a4793e41378674323131103351cd7a760632
qemu-img-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: 24dc03831166ce6a3b2cc2a69139a4793e41378674323131103351cd7a760632
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: 5bb545be245bdc82bc42c27027ebf664041bc351c2dafed61b76b0454750a036
qemu-kvm-common-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: 5bb545be245bdc82bc42c27027ebf664041bc351c2dafed61b76b0454750a036
qemu-kvm-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: a85626ed8f8896be8238a0d836db00472fd23625c2ab1cd5cab21aca7b90ba9c
qemu-kvm-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: a85626ed8f8896be8238a0d836db00472fd23625c2ab1cd5cab21aca7b90ba9c
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: 62ea21e941e308e28145071f66d1423e2bcbcc0c25ac62ebde2e9c5554d1fcc3
qemu-kvm-rhev-debuginfo-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: 62ea21e941e308e28145071f66d1423e2bcbcc0c25ac62ebde2e9c5554d1fcc3
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: d59a982d56a672aa46dcdb8e9fcadc268e3722acae6432546911eedb612bb410
qemu-kvm-tools-rhev-2.12.0-48.el7_9.2.ppc64le.rpm SHA-256: d59a982d56a672aa46dcdb8e9fcadc268e3722acae6432546911eedb612bb410

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

About

  • Red Hat Subscription Value
  • About Red Hat
  • Red Hat Jobs
Copyright © 2022 Red Hat, Inc.
  • Privacy Statement
  • Customer Portal Terms of Use
  • All Policies and Guidelines
Red Hat Summit
Twitter