qemu security update

CentOS Errata and Security Advisory CESA-2019:2892

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es):

• QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams (CVE-2018-11806)

• QEMU: slirp: heap buffer overflow in tcp_emu() (CVE-2019-6778)

• QEMU: ne2000: integer overflow leads to buffer overflow issue (CVE-2018-10839)

• QEMU: pcnet: integer overflow leads to buffer overflow (CVE-2018-17962)

• 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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2019-September/085616.html

Affected packages:
qemu-guest-agent
qemu-img
qemu-kvm
qemu-kvm-tools

Upstream details at:
https://access.redhat.com/errata/RHSA-2019:2892