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Red Hat Enterprise Linux 8.5 RHSA-2022:0397-01 Low: virt:av Security Issue

red hat
Calendar Grey February 2, 2022
Dist Redhat Esm H88
New patches released for virt:av and virt-devel:av packages in Red Hat. These updates tackle minor severity vulnerabilities by enhancing security measures.
An update for the virt:av and virt-devel:av modules is now available for Red Hat Enterprise Linux Advanced Virtualization 8.5

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
* nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS (CVE-2021-3716)
* QEMU: block: fdc: null pointer dereference may lead to guest crash (CVE-2021-20196)
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):
* There is nbdkit curl error info if convert a guest from VMware without vddk by administrator account [rhel-av-8.5.z] (BZ#2040778)
* Fix data corruption in nbdkit-cow-filter and nbdkit-cache-filter [rhel-av-8.5z] (BZ#2040781)

Topics%20covered

Topics Covered

security advisory security fix Red Hat Enterprise Linux low severity KVM virt:av virt-devel:av

References

https://access.redhat.com/security/cve/CVE-2021-3716 https://access.redhat.com/security/cve/CVE-2021-20196 https://access.redhat.com/security/updates/classification#low

Package List

Advanced Virtualization for RHEL 8.5.0.Z:
Source: SLOF-20210217-1.module+el8.5.0+10946+35bb3930.src.rpm SLOF-20210217-1.module+el8.5.0+10946+35bb3930.src.rpm hivex-1.3.18-22.module+el8.5.0+12087+2208d04c.src.rpm libguestfs-1.44.0-3.module+el8.5.0+10681+17a9b157.src.rpm libguestfs-winsupport-8.2-2.module+el8.5.0+12739+164806c8.src.rpm libiscsi-1.18.0-8.module+el8.4.0+8855+a9e237a9.src.rpm libnbd-1.6.0-4.module+el8.5.0+11638+3d8f9850.src.rpm libtpms-0.7.4-6.20201106git2452a24dab.module+el8.5.0+12487+f2fa92b4.src.rpm libvirt-7.6.0-6.module+el8.5.0+13051+7ddbe958.src.rpm libvirt-dbus-1.3.0-2.module+el8.4.0+8855+a9e237a9.src.rpm libvirt-python-7.6.0-1.module+el8.5.0+12098+85b3670b.src.rpm nbdkit-1.24.0-3.module+el8.5.0+13900+a08c0464.src.rpm netcf-0.2.8-12.module+el8.4.0+8855+a9e237a9.src.rpm perl-Sys-Virt-7.4.0-1.module+el8.5.0+11289+b29e262f.src.rpm python-pyvmomi-6.7.1-7.module+el8.4.0+8855+a9e237a9.src.rpm qemu-kvm-6.0.0-33.module+el8.5.0+13740+349232b6.2.src.rpm seabios-1.14.0-1.module+el8.4.0+8855+a9e237a9.src.rpm seabios-1.14.0-1.module+el8.4.0+8855+a9e237a9.src.rpm sgabios-0.20170427git-3.module+el8.4.0+8855+a9e237a9.src.rpm sgabios-0.20170427git-3.module+el8.4.0+8855+a9e237a9.src.rpm supermin-5.2.1-1.module+el8.4.0+9751+d56db353.src.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0397-01
Product: Advanced Virtualization
Advisory URL: Issue date: 2022-02-02

Topic

An update for the virt:av and virt-devel:av modules is now available forRed Hat Enterprise Linux Advanced Virtualization 8.5.Red Hat Product Security has rated this update as having a security impactof Low. 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.

Topics%20covered

Topics Covered

security advisory security fix Red Hat Enterprise Linux low severity KVM virt:av virt-devel:av

Relevant Releases Architectures

Advanced Virtualization for RHEL 8.5.0.Z - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1919210 - CVE-2021-20196 QEMU: block: fdc: null pointer dereference may lead to guest crash

1994695 - CVE-2021-3716 nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS

2040778 - There is nbdkit curl error info if convert a guest from VMware without vddk by administrator account [rhel-av-8.5.z]

2040781 - Fix data corruption in nbdkit-cow-filter and nbdkit-cache-filter [rhel-av-8.5z]

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