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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: Red Hat Virtualization Host 4.4.z SP 1 security update batch#5 (oVirt-4.5.3-5)
Advisory ID:       RHSA-2023:1677-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:1677
Issue date:        2023-04-10
CVE Names:         CVE-2022-23521 CVE-2022-41903 CVE-2023-0266
                   CVE-2023-0386 CVE-2023-0767
====================================================================
1. Summary:

An update for redhat-release-virtualization-host and
redhat-virtualization-host is now available for Red Hat Virtualization 4
for Red Hat Enterprise Linux 8.

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 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 8 - x86_64

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 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):

* git: gitattributes parsing integer overflow (CVE-2022-23521)

* git: Heap overflow in `git archive`, `git log --format` leading to RCE
(CVE-2022-41903)

* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
(CVE-2023-0266)

* kernel: FUSE filesystem low-privileged user privileges escalation
(CVE-2023-0386)

* nss: Arbitrary memory write via PKCS 12 (CVE-2023-0767)

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/):

2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation
2162055 - CVE-2022-23521 git: gitattributes parsing integer overflow
2162056 - CVE-2022-41903 git: Heap overflow in `git archive`, `git log --format` leading to RCE
2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
2170377 - CVE-2023-0767 nss: Arbitrary memory write via PKCS 12

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 8:

Source:
redhat-virtualization-host-4.5.3-202304051438_8.6.src.rpm

x86_64:
redhat-virtualization-host-image-update-4.5.3-202304051438_8.6.x86_64.rpm

RHEL 8-based RHEV-H for RHEV 4 (build requirements):

Source:
redhat-release-virtualization-host-4.5.3-6.el8ev.src.rpm

noarch:
redhat-virtualization-host-image-update-placeholder-4.5.3-6.el8ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.5.3-6.el8ev.x86_64.rpm
redhat-release-virtualization-host-content-4.5.3-6.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/

7. References:

https://access.redhat.com/security/cve/CVE-2022-23521
https://access.redhat.com/security/cve/CVE-2022-41903
https://access.redhat.com/security/cve/CVE-2023-0266
https://access.redhat.com/security/cve/CVE-2023-0386
https://access.redhat.com/security/cve/CVE-2023-0767
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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