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Red Hat Product Errata RHSA-2019:1116 - Security Advisory
Issued:
2019-05-08
Updated:
2019-05-08

RHSA-2019:1116 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: redhat-virtualization-host security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 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

OVMF (Open Virtual Machine Firmware) is an EDK II (edk2) based project to enable UEFI support for Virtual Machines. The ovmf package contains a sample 64-bit UEFI firmware for QEMU and KVM, including the edk2 package.

The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.

Security Fix(es):

  • edk2: Buffer Overflow in BlockIo service for RAM disk (CVE-2018-12180)

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):

  • Previously, after upgrading Red Hat Virtualization Host from rhvh-4.1-0.20180425.0 to rhvh-4.2.4.3-0.20180627, the owner and group of sshd.conf were incorrectly changed from root:root to sssd:sssd. As a result, RHEL IdM accounts using sssd could not ssh into the host. The current release fixes this issue. (BZ#1608513)

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

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

Affected Products

  • Red Hat Virtualization 4 for RHEL 7 x86_64
  • Red Hat Virtualization Host 4 for RHEL 7 x86_64

Fixes

  • BZ - 1608513 - sssd.conf was incorrectly marked for file ownership as sssd:sssd
  • BZ - 1683372 - CVE-2018-12180 edk2: Buffer Overflow in BlockIo service for RAM disk
  • BZ - 1696303 - Rebase RHV-H on RHEL-7.6 batch #4
  • BZ - 1700782 - RHVH does not include the latest openvswitch package
  • BZ - 1700868 - [Tracker] RHV-H for 4.3.3-1

CVEs

  • CVE-2018-12180

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Virtualization 4 for RHEL 7

SRPM
redhat-release-virtualization-host-4.3-0.6.el7.src.rpm SHA-256: dfc2edb9d89c9a39413e1188d39a5f2d3ecd44d90373511c0fa6643b7157a377
x86_64
redhat-release-virtualization-host-4.3-0.6.el7.x86_64.rpm SHA-256: 2f202908c4b049effe007bcd443bfbc0ad4fb659d0ae7ab53aa821b287832e7a
redhat-virtualization-host-image-update-placeholder-4.3-0.6.el7.noarch.rpm SHA-256: 0e98698502df1defc0d8e7b675732254b91e0d8e41d60f08513d28a376e8a49b

Red Hat Virtualization Host 4 for RHEL 7

SRPM
redhat-virtualization-host-4.3-20190418.0.el7_6.src.rpm SHA-256: 9b187390e269b55e77d9f5e54699b387c4d907c4e6ead2ccab23a7e66a7ec8a4
x86_64
redhat-virtualization-host-image-update-4.3-20190418.0.el7_6.noarch.rpm SHA-256: 67da2c097ee004126766a0ad775627a1f7b6cd25b83860616e28c5e6248c260f

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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