RedHat: RHSA-2019-3179:01 Important: qemu-kvm-rhev security and bug fix
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: slirp: heap buffer overflow during packet reassembly
(CVE-2019-14378)
* QEMU: qxl: null pointer dereference while releasing spice resources
(CVE-2019-12155)
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.
Bug Fix(es):
* ccid: Fix incorrect dwProtocol advertisement of T=0 (BZ#1729880)
* QEMU gets stuck on resume/cont call from libvirt (BZ#1741937)
* [v2v] Migration performance regression (BZ#1743322)
* qemu, qemu-img fail to detect alignment with XFS and Gluster/XFS on 4k
block device (BZ#1745443)
* qemu-kvm: backport cpuidle-haltpoll support (BZ#1746282)
* qemu aborts in blockCommit: qemu-kvm: block.c:3486 (BZ#1750322)
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/2974891
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.
References
https://access.redhat.com/security/cve/CVE-2019-12155 https://access.redhat.com/security/cve/CVE-2019-14378 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:
Source:
qemu-kvm-rhev-2.12.0-33.el7_7.4.src.rpm
ppc64le:
qemu-img-rhev-2.12.0-33.el7_7.4.ppc64le.rpm
qemu-kvm-common-rhev-2.12.0-33.el7_7.4.ppc64le.rpm
qemu-kvm-rhev-2.12.0-33.el7_7.4.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7_7.4.ppc64le.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7_7.4.ppc64le.rpm
x86_64:
qemu-img-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7_7.4.x86_64.rpm
RHV-M 4.3:
Source:
qemu-kvm-rhev-2.12.0-33.el7_7.4.src.rpm
x86_64:
qemu-img-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-common-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-rhev-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.12.0-33.el7_7.4.x86_64.rpm
qemu-kvm-tools-rhev-2.12.0-33.el7_7.4.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/
Topic
An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4
for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3.
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.
Topic
Relevant Releases Architectures
RHV-M 4.3 - x86_64
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - ppc64le, x86_64
Bugs Fixed
1712670 - CVE-2019-12155 QEMU: qxl: null pointer dereference while releasing spice resources
1729880 - ccid: Fix incorrect dwProtocol advertisement of T=0 [rhel-7.7.z]
1734745 - CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly
1743322 - [v2v] Migration performance regression [rhel-7.7.z]
1745443 - qemu, qemu-img fail to detect alignment with XFS and Gluster/XFS on 4k block device [rhel-7.7.z]
1746282 - qemu-kvm: backport cpuidle-haltpoll support [rhel-7.7.z]
1750322 - qemu aborts in blockCommit: qemu-kvm: block.c:3486 [rhel-7.7.z]
