RHSA-2020:0366 — Security Advisory
Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · February 5, 2020
Updated · June 28, 2026
Topic
An update for qemu-kvm is now available for Red Hat Enterprise Linux 7.
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.
Description
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)