RHSA-2020:2342: Important: qemu-kvm-rhev bug fix update

First published: Mon Jun 01 2020(Updated: )

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.<br>Security Fix(es):<br><li> CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages</li> <li> CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu()</li> <li> CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly</li> This update fixes the following bug:<br><li> BZ 1804577 Backport: Passthrough host CPU microcode version to KVM guest if using CPU passthrough to RHEL 7.7/7.8 [rhel-7.6.z] </li> Users of qemu-kvm are advised to upgrade to these updated packages. 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.

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