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Red Hat: RHSA-2022-5678-01 Important: Buffer Overflow Fix In Virtualization

red hat
Calendar Grey July 27, 2022
Dist Redhat Esm H88
Crucial announcement regarding Red Hat Virtualization 4 security patches and improvements accessible for RHEL 8 clients.
An update for imgbased, 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 following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.5.1), redhat-virtualization-host (4.5.1), redhat-virtualization-host-productimg (4.5.1). (BZ#2062192, BZ#2070869, BZ#2094682)
Security Fix(es):
* kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)
* grub2: Integer underflow in grub_net_recv_ip4_packets (CVE-2022-28733)
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):
* RHV-H 4.4 SP1 Has been rebased on RHEL 8.6 Batch #1 (BZ#2070869)

Topics%20covered

Topics Covered

security advisory security update buffer overflow security fix important red hat virtualization RHEL 8

References

https://access.redhat.com/security/cve/CVE-2022-27666 https://access.redhat.com/security/cve/CVE-2022-28733 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Virtualization 4 Hypervisor for RHEL 8:
Source: redhat-virtualization-host-4.5.1-202207170705_8.6.src.rpm
x86_64: redhat-virtualization-host-image-update-4.5.1-202207170705_8.6.x86_64.rpm
RHEL 8-based RHEV-H for RHEV 4 (build requirements):
Source: redhat-release-virtualization-host-4.5.1-1.el8ev.src.rpm redhat-virtualization-host-productimg-4.5.1-1.el8.src.rpm
noarch: redhat-virtualization-host-image-update-placeholder-4.5.1-1.el8ev.noarch.rpm
x86_64: redhat-release-virtualization-host-4.5.1-1.el8ev.x86_64.rpm redhat-release-virtualization-host-content-4.5.1-1.el8ev.x86_64.rpm redhat-virtualization-host-productimg-4.5.1-1.el8.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-2022:5678-01
Product: Red Hat Virtualization
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5678
Issue date: 2022-07-21

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 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 buffer overflow security fix important 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

2061633 - CVE-2022-27666 kernel: buffer overflow in IPsec ESP transformation code

2070869 - Rebase RHV-H 4.4 SP1 on RHEL 8.6.0.1

2083339 - CVE-2022-28733 grub2: Integer underflow in grub_net_recv_ip4_packets

2097627 - Upgrade redhat-release-virtualization-host to 4.5.1

2103984 - when upgrade RHVH from 4.5.0 to 4.5.1 via engine, "no updates found" is shown when checking for updates

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