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Red Hat OpenStack 13.0 RHSA-2020:1234 Critical: QEMU Memory Corruption

red hat
Calendar Grey July 10, 2019
Dist Redhat Esm H88
The significant advisory release from Red Hat details a critical security patch for qemu-kvm-rhev that affects OpenStack Platform version 13.0.
An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 13.0 (Queens)

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: device_tree: heap buffer overflow while loading device tree blob (CVE-2018-20815)
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 buffer overflow heap overflow Red Hat OpenStack qemu-kvm-rhev Important update

References

https://access.redhat.com/security/cve/CVE-2018-20815 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat OpenStack Platform 13.0:
Source: qemu-kvm-rhev-2.12.0-18.el7_6.6.src.rpm
ppc64le: qemu-img-rhev-2.12.0-18.el7_6.6.ppc64le.rpm qemu-kvm-common-rhev-2.12.0-18.el7_6.6.ppc64le.rpm qemu-kvm-rhev-2.12.0-18.el7_6.6.ppc64le.rpm qemu-kvm-rhev-debuginfo-2.12.0-18.el7_6.6.ppc64le.rpm qemu-kvm-tools-rhev-2.12.0-18.el7_6.6.ppc64le.rpm
x86_64: qemu-img-rhev-2.12.0-18.el7_6.6.x86_64.rpm qemu-kvm-common-rhev-2.12.0-18.el7_6.6.x86_64.rpm qemu-kvm-rhev-2.12.0-18.el7_6.6.x86_64.rpm qemu-kvm-rhev-debuginfo-2.12.0-18.el7_6.6.x86_64.rpm qemu-kvm-tools-rhev-2.12.0-18.el7_6.6.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-2019:1743-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1743
Issue date: 2019-07-10

Topic

An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform13.0 (Queens).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(s) in the References section.

Topics%20covered

Topics Covered

security advisory buffer overflow heap overflow Red Hat OpenStack qemu-kvm-rhev Important update

Relevant Releases Architectures

Red Hat OpenStack Platform 13.0 - ppc64le, x86_64

Bugs Fixed

1693101 - CVE-2018-20815 QEMU: device_tree: heap buffer overflow while loading device tree blob

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