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Red Hat Virtualization 4: RHSA-2023-1677-01 Important Security Update

red hat
Calendar Grey April 15, 2023
Dist Redhat Esm H88
Crucial patch released for Red Hat Virtualization Server. Information on effects and suggested measures provided.
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

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

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 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.

Topics%20covered

Topics Covered

security advisory security update important security impact administrative tasks Red Hat Virtualization RHEL 8

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

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


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for 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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update important security impact administrative tasks Red Hat Virtualization RHEL 8

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

Bugs Fixed

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

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