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Red Hat: RHSA-2022-0081 Low: QEMU Security Issue in Virt Modules

red hat
Calendar Grey January 11, 2022
Dist Redhat Esm H88
A new version released for virt:av and virt-devel:av components assessed with minimal security implications; incorporates corrections.
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):
* QEMU: off-by-one error in mode_sense_page() in hw/scsi/scsi-disk.c (CVE-2021-3930)
* QEMU: net: e1000: infinite loop while processing transmit descriptors(CVE-2021-20257)
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):
* migrate failed on no-socket protocol when open multifd (BZ#2025604)
* qemu segfault after the 2rd postcopy live migration with vhost-user [rhel-av 8.5.0.z] (BZ#2025609)

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux high availability kernel module virtualization QEMU

References

https://access.redhat.com/security/cve/CVE-2021-3930 https://access.redhat.com/security/cve/CVE-2021-20257 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-1.24.0-1.module+el8.4.0+9341+96cf2672.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+13514+2c386966.1.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-2022:0081-01
Product: Advanced Virtualization
Advisory URL: Issue date: 2022-01-11

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 bug fix Red Hat Enterprise Linux high availability kernel module virtualization QEMU

Relevant Releases Architectures

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

Bugs Fixed

1930087 - CVE-2021-20257 QEMU: net: e1000: infinite loop while processing transmit descriptors2020588 - CVE-2021-3930 QEMU: off-by-one error in mode_sense_page() in hw/scsi/scsi-disk.c

2025604 - migrate failed on no-socket protocol when open multifd [rhel-8.5.0.z]

2025609 - qemu segfault after the 2rd postcopy live migration with vhost-user [rhel-av 8.5.0.z]

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