RedHat: RHSA-2021-2239:01 Moderate: Red Hat Virtualization Host security
Summary
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 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 ovirt-node-ng 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):
* python-cryptography: bleichenbacher timing oracle attack against RSA
decryption (CVE-2020-25659)
* krb5: unbounded recursion via an ASN.1-encoded Kerberos message in
lib/krb5/asn.1/asn1_encode.c may lead to DoS (CVE-2020-28196)
* python-cryptography: certain sequences of update() calls when
symmetrically encrypting very large payloads could result in an integer
overflow and lead to buffer overflows (CVE-2020-36242)
For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.
Bug Fix(es):
* Previously, old RPM files were not properly removed during package
removal (uninistall) or upgrade. As a result, removed packages were
reinstalled, or, during and upgrade, the system tried to install two or
more different versions at once, causing the upgrade to fail.
In this release, the dnf plugin has been fixed, and RPM packages are now
properly removed.
The new version will also auto-heal the broken system by removing RPM
packages which are not supposed to be in the persisted-rpms directory.
(BZ#1936972)
* With this release, ovirt-hosted-engine-ha supports multiple,
comma-separated values for all iSCSI configuration items. (BZ#1909888)
Summary
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
References
https://access.redhat.com/security/cve/CVE-2020-25659 https://access.redhat.com/security/cve/CVE-2020-28196 https://access.redhat.com/security/cve/CVE-2020-36242 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts:
Source:
cockpit-ovirt-0.15.0-2.el8ev.src.rpm
ovirt-hosted-engine-ha-2.4.7-1.el8ev.src.rpm
noarch:
cockpit-ovirt-dashboard-0.15.0-2.el8ev.noarch.rpm
ovirt-hosted-engine-ha-2.4.7-1.el8ev.noarch.rpm
Red Hat Virtualization 4 Hypervisor for RHEL 8:
Source:
redhat-virtualization-host-4.4.6-20210527.3.el8_4.src.rpm
x86_64:
elfutils-debuginfo-0.182-3.el8.x86_64.rpm
elfutils-debuginfod-client-0.182-3.el8.x86_64.rpm
elfutils-debuginfod-client-debuginfo-0.182-3.el8.x86_64.rpm
elfutils-debuginfod-debuginfo-0.182-3.el8.x86_64.rpm
elfutils-debugsource-0.182-3.el8.x86_64.rpm
elfutils-libelf-debuginfo-0.182-3.el8.x86_64.rpm
elfutils-libs-debuginfo-0.182-3.el8.x86_64.rpm
redhat-virtualization-host-image-update-4.4.6-20210527.3.el8_4.x86_64.rpm
RHEL 8-based RHEV-H for RHEV 4 (build requirements):
Source:
imgbased-1.2.19-1.el8ev.src.rpm
redhat-release-virtualization-host-4.4.6-1.el8ev.src.rpm
scap-security-guide-0.1.54-1.el8ev.src.rpm
noarch:
imgbased-1.2.19-1.el8ev.noarch.rpm
python3-imgbased-1.2.19-1.el8ev.noarch.rpm
redhat-virtualization-host-image-update-placeholder-4.4.6-1.el8ev.noarch.rpm
scap-security-guide-rhv-0.1.54-1.el8ev.noarch.rpm
x86_64:
redhat-release-virtualization-host-4.4.6-1.el8ev.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for imgbased, redhat-release-virtualization-host, andredhat-virtualization-host is now available for Red Hat Virtualization 4for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
RHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 8 - x86_64
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts - noarch
Bugs Fixed
1779052 - RHVH 4.4: AVC denied errors (dac_override) in audit.log
1882542 - [downstream] Failed to assign network to Infiniband Bond
1889988 - CVE-2020-25659 python-cryptography: bleichenbacher timing oracle attack against RSA decryption
1897893 - RHVH does not keep the same IPv6 address on each reprovision
1901041 - CVE-2020-28196 krb5: unbounded recursion via an ASN.1-encoded Kerberos message in lib/krb5/asn.1/asn1_encode.c may lead to DoS
1901878 - Rebase RHV-H on RHEL 8.4
1909888 - [RFE] Support multiple IQN in hosted-engine.conf for Active-Active DR setup
1926226 - CVE-2020-36242 python-cryptography: certain sequences of update() calls when symmetrically encrypting very large payloads could result in an integer overflow and lead to buffer overflows
1931443 - After reboot a RHV-H host fails to boot displaying error: ../../grub-core/loader/i386/pc/linux.c:170:invalid magic number
1936972 - [RHVH] Failed to reinstall persisted RPMs
1938925 - RHV-H iso needs to include NetworkManager-1.26.0-12.el8_3 or later.
1942580 - End User License Agreement trademarks Shadowman but not new logo
1944632 - Rebase RHV-H 4.4.6 on FDP 2.11 21.C
1946095 - "No valid network interface has been found" when starting HE deployment via cockpit
1948944 - RHVH 4.4.6 ISO (RHVH-4.4-20210412.3-RHVH-x86_64-dvd1.iso) installation failed
1949431 - The directory of EULA presented on the UI is incorrect
1957604 - oVirt logo appears in RHV-H under the virtualization tab