RHSA-2019:3179 — Security Advisory

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.

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)