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Red Hat OpenStack Platform 10.0 RHSA-2020-1300 Important: QEMU DoS Issues

red hat
Calendar Grey April 2, 2020
Dist Redhat Esm H88
Red Hat OpenStack Platform 10.0 has released a security advisory about an update for qemu-kvm-rhev, addressing critical vulnerabilities essential for platform integrity and security
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 10.0 (Newton)

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.

Summary

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: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711) * QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039) * QEMU: slirp: potential OOB access due to unsafe snprintf() usages (CVE-2020-8608)
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.

Topics%20covered

Topics Covered

security advisory security update red hat critical DoS important qemu-kvm-rhev

References

https://access.redhat.com/security/cve/CVE-2020-1711 https://access.redhat.com/security/cve/CVE-2020-7039 https://access.redhat.com/security/cve/CVE-2020-8608 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat OpenStack Platform 10.0:
Source: qemu-kvm-rhev-2.12.0-33.el7_7.10.src.rpm
x86_64: qemu-img-rhev-2.12.0-33.el7_7.10.x86_64.rpm qemu-kvm-common-rhev-2.12.0-33.el7_7.10.x86_64.rpm qemu-kvm-rhev-2.12.0-33.el7_7.10.x86_64.rpm qemu-kvm-rhev-debuginfo-2.12.0-33.el7_7.10.x86_64.rpm qemu-kvm-tools-rhev-2.12.0-33.el7_7.10.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:1300-01
Product: Red Hat OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1300
Issue date: 2020-04-02

Topic

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform10.0 (Newton).Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link in the References section.

Topics%20covered

Topics Covered

security advisory security update red hat critical DoS important qemu-kvm-rhev

Relevant Releases Architectures

Red Hat OpenStack Platform 10.0 - x86_64

Bugs Fixed

1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()

1794290 - CVE-2020-1711 QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server

1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages

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