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Red Hat Enterprise Linux 7: RHSA-2018:3062 Low: Qemu-KVM Memory Leak

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
Canonical releases a minor security notice for qemu-kvm-tools regarding resource depletion on Ubuntu 18.04.
An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7

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

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.
The following packages have been upgraded to a later upstream version: qemu-kvm-ma (2.12.0). (BZ#1562219)
Security Fix(es):
* Qemu: memory exhaustion through framebuffer update request message in VNC server (CVE-2017-15124)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
This issue was discovered by Daniel Berrange (Red Hat).
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory Red Hat bug fix memory leak low impact KVM security qemu-kvm-ma

References

https://access.redhat.com/security/cve/CVE-2017-15124 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: qemu-kvm-ma-2.12.0-18.el7.src.rpm
ppc64: qemu-img-ma-2.12.0-18.el7.ppc64.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7.ppc64.rpm
ppc64le: qemu-img-ma-2.12.0-18.el7.ppc64le.rpm qemu-kvm-common-ma-2.12.0-18.el7.ppc64le.rpm qemu-kvm-ma-2.12.0-18.el7.ppc64le.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7.ppc64le.rpm qemu-kvm-tools-ma-2.12.0-18.el7.ppc64le.rpm
s390x: qemu-img-ma-2.12.0-18.el7.s390x.rpm qemu-kvm-common-ma-2.12.0-18.el7.s390x.rpm qemu-kvm-ma-2.12.0-18.el7.s390x.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7.s390x.rpm qemu-kvm-tools-ma-2.12.0-18.el7.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.src.rpm
ppc64le: qemu-img-ma-2.12.0-18.el7.ppc64le.rpm qemu-kvm-common-ma-2.12.0-18.el7.ppc64le.rpm qemu-kvm-ma-2.12.0-18.el7.ppc64le.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7.ppc64le.rpm qemu-kvm-tools-ma-2.12.0-18.el7.ppc64le.rpm
s390x: qemu-img-ma-2.12.0-18.el7.s390x.rpm qemu-kvm-common-ma-2.12.0-18.el7.s390x.rpm qemu-kvm-ma-2.12.0-18.el7.s390x.rpm qemu-kvm-ma-debuginfo-2.12.0-18.el7.s390x.rpm qemu-kvm-tools-ma-2.12.0-18.el7.s390x.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
Source: qemu-kvm-ma-2.12.0-18.el7.src.rpm
aarch64:

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:3062-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3062
Issue date: 2018-10-30

Topic

An update for qemu-kvm-ma is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Low. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat bug fix memory leak low impact KVM security qemu-kvm-ma

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x

Red Hat Enterprise Linux Server Optional (v. 7) - ppc64

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

1525195 - CVE-2017-15124 Qemu: memory exhaustion through framebuffer update request message in VNC server

1549079 - Migrate during reboot occasionally hangs in firmware with virtio-scsi:setup:inquiry...

1553775 - incorrect locking (possible use-after-free) with bug 1481593 fix

1554650 - [Regression] Cannot delete VM's snapshot

1572554 - [7.4-Alt] Unable to execute QEMU command 'dump-guest-memory': dump: failed to save memory

1595715 - Add ppa15/bpb to the default cpu model for z196 and higher in the 7.6 s390-ccw-virtio machine

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