Issued:
2020-03-05
Updated:
2020-03-05

RHSA-2020:0730 - Important: qemu-kvm-rhev security, bug fix, and enhancement update

Synopsis

Important: qemu-kvm-rhev security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

Topic

An update for qemu-kvm-rhev is now available for Red Hat Virtualization Engine 4.2.

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

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):

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

  • QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711)

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 7.6.z Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM qemu-kvm-rhev (BZ#1730601)

  • qemu-kvm-rhev: backport cpuidle-haltpoll support (BZ#1746281)

Enhancement(s):

  • [Intel 7.7 FEAT] MDS_NO exposure to guest - qemu-kvm-rhev (BZ#1743632)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/2974891

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.

Affected Products

ProductVersionArch
Red Hat Virtualization Manager4.2x86_64

Updated Packages

  • qemu-img-rhev-2.12.0-18.el7_6.9.x86_64.rpm
  • qemu-kvm-rhev-2.12.0-18.el7_6.9.x86_64.rpm
  • qemu-kvm-rhev-debuginfo-2.12.0-18.el7_6.9.x86_64.rpm
  • qemu-kvm-rhev-2.12.0-18.el7_6.9.src.rpm
  • qemu-kvm-tools-rhev-2.12.0-18.el7_6.9.x86_64.rpm
  • qemu-kvm-common-rhev-2.12.0-18.el7_6.9.x86_64.rpm

Fixes

CVEs

References

Additional information