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
    • Security Measurement
    • 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 Insights
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 Insights
  • 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 RHSA-2019:1883 - Security Advisory
Issued:
2019-07-29
Updated:
2019-07-29

RHSA-2019:1883 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: qemu-kvm security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.

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

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

Security Fix(es):

  • QEMU: slirp: heap buffer overflow in tcp_emu() (CVE-2019-6778)

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/11258

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 Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux Server - TUS 7.6 x86_64
  • Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6 x86_64

Fixes

  • BZ - 1664205 - CVE-2019-6778 QEMU: slirp: heap buffer overflow in tcp_emu()

CVEs

  • CVE-2019-6778

References

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

Red Hat Enterprise Linux Server 7

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux Server - AUS 7.6

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux Server - Extended Life Cycle Support 7

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux Workstation 7

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux Desktop 7

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux for Scientific Computing 7

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux Server - TUS 7.6

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux EUS Compute Node 7.6

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6

SRPM
qemu-kvm-1.5.3-160.el7_6.3.src.rpm SHA-256: 71eb769becddd70e3c3e5db80c7ec9f2b25f24e0b7d3126ff8f3e7dfbcae622d
x86_64
qemu-img-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 055bec381ee01a9ed2a40aea7e7daa774dd193ddd773737a2370a5665d1cdca2
qemu-kvm-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: 8b4121c636565eed447caaf856a1216ffc4fc1f9b81b26dd9d092b0bf1cf8390
qemu-kvm-common-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: fd4fcb75ee5e2e8c323d33e69dc12dd84ad48ff68f4bf95e4411bc4c437e82ae
qemu-kvm-debuginfo-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: c8c6cba0716722107108486bdde0223cab78f16f4361e65170daa78140151784
qemu-kvm-tools-1.5.3-160.el7_6.3.x86_64.rpm SHA-256: e43801f5685c6b486d03bce0b16011043231bc1edaf41b02d0433bdb0ec37ae0

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