9 - RHSA-2019:0457

Problem Description:

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.

2. Relevant releases/architectures:

RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64 Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch

3. Description:

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.

The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.2), redhat-virtualization-host (4.2). (BZ#1678629, BZ#1679414)

Security Fix(es):

* spice: Off-by-one error in array access in spice/server/memslot.c (CVE-2019-3813)

* systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash (CVE-2019-6454)

* vdsm: privilege escalation to root via systemd_run (CVE-2019-3831)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1665371 - CVE-2019-3813 spice: Off-by-one error in array access in spice/server/memslot.c 1667032 - CVE-2019-6454 systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash 1677108 - CVE-2019-3831 vdsm: privilege escalation to root via systemd_run 1677667 - Tracker for RHV-H 4.2.8 Async #3