RedHat: RHSA-2018-2887:01 Important: qemu-kvm-rhev security update
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 while reassembling fragmented datagrams
(CVE-2018-11806)
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.
Red Hat would like to thank Jskz - Zero Day Initiative (trendmicro.com) for
reporting this issue.
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-2018-11806 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:
Source:
qemu-kvm-rhev-2.10.0-21.el7_5.7.src.rpm
ppc64le:
qemu-img-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.7.ppc64le.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.7.ppc64le.rpm
x86_64:
qemu-img-rhev-2.10.0-21.el7_5.7.x86_64.rpm
qemu-kvm-common-rhev-2.10.0-21.el7_5.7.x86_64.rpm
qemu-kvm-rhev-2.10.0-21.el7_5.7.x86_64.rpm
qemu-kvm-rhev-debuginfo-2.10.0-21.el7_5.7.x86_64.rpm
qemu-kvm-tools-rhev-2.10.0-21.el7_5.7.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 4for Red Hat Enterprise Linux 7.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.
Topic
Relevant Releases Architectures
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - ppc64le, x86_64
Bugs Fixed
1586245 - CVE-2018-11806 QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams
1619128 - VM doesn't boot from HD [rhel-7.5.z]