(RHSA-2020:0366) Important: qemu-kvm security, bug fix, and enhancement update

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):

• hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

• QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)

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):

• [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM qemu-kvm (BZ#1730606)

Enhancement(s):

• [Intel 7.8 FEAT] MDS_NO exposure to guest - qemu-kvm (BZ#1755333)