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RedHat: RHSA-2020-0669-01 Important: Qemu-Kvm-Ma DoS Issue

red hat
Calendar Grey March 3, 2020
Dist Redhat Esm H88
An important security patch has been released for Red Hat to rectify a significant concern regarding qemu-kvm-ma that affects virtual machine operations.
An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7.6 Extended Update Support

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

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z Systems, IBM Power, and 64-bit ARM architectures.
Security Fix(es):
* QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711)
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 Red Hat DoS important impact qemu-kvm-ma

References

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

Package List

Red Hat Enterprise Linux Server EUS (v. 7.6):
Source: qemu-kvm-ma-2.12.0-18.el7_6.5.src.rpm
ppc64: qemu-img-ma-2.12.0-18.el7_6.5.ppc64.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7_6.5.ppc64.rpm
ppc64le: qemu-img-ma-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-common-ma-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-ma-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-tools-ma-2.12.0-18.el7_6.5.ppc64le.rpm
s390x: qemu-img-ma-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-common-ma-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-ma-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-tools-ma-2.12.0-18.el7_6.5.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: qemu-kvm-ma-2.12.0-18.el7_6.5.src.rpm
ppc64le: qemu-img-ma-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-common-ma-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-ma-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7_6.5.ppc64le.rpm qemu-kvm-tools-ma-2.12.0-18.el7_6.5.ppc64le.rpm
s390x: qemu-img-ma-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-common-ma-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-ma-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7_6.5.s390x.rpm qemu-kvm-tools-ma-2.12.0-18.el7_6.5.s390x.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0669-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0669
Issue date: 2020-03-03

Topic

An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7.6Extended Update Support.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 Red Hat DoS important impact qemu-kvm-ma

Relevant Releases Architectures

Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - ppc64le, s390x

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64

Bugs Fixed

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

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