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Red Hat Enterprise Linux 8.4: RHSA-2021-5065-01 Low Severity KVM Fix

red hat
Calendar Grey December 9, 2021
Dist Redhat Esm H88
Canonical has unveiled a patch for net:core and net-devel:core packages that tackle minor security vulnerabilities. Discover more!
An update for the virt:av and virt-devel:av modules is now available for Red Hat Enterprise Linux Advanced Virtualization 8.4

Solution

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

https://access.redhat.com/articles/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)
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):
* qemu segfault after the 2rd postcopy live migration with vhost-user (BZ#2021981)
Enhancement(s):
* support Live Migration from Ubuntu 18.04 i440fx to RHEL (BZ#2021859)

Topics%20covered

Topics Covered

security advisory Red Hat bug fix low severity KVM feature update virt:av

References

https://access.redhat.com/security/cve/CVE-2021-3930 https://access.redhat.com/security/updates/classification#low

Package List

Advanced Virtualization for RHEL 8.4.0.EUS:
Source: SLOF-20200717-1.gite18ddad8.module+el8.4.0+8855+a9e237a9.src.rpm SLOF-20200717-1.gite18ddad8.module+el8.4.0+8855+a9e237a9.src.rpm hivex-1.3.18-21.module+el8.4.0+11609+2eba841a.src.rpm libguestfs-1.44.0-2.module+el8.4.0+10146+75917d2f.src.rpm libguestfs-winsupport-8.2-2.module+el8.4.0+12717+0b0da9ad.src.rpm libiscsi-1.18.0-8.module+el8.4.0+8855+a9e237a9.src.rpm libnbd-1.6.0-3.module+el8.4.0+9856+bbc47853.src.rpm libtpms-0.7.4-4.20201106git2452a24dab.module+el8.4.0+10596+32ba7df3.src.rpm libvirt-7.0.0-14.5.module+el8.4.0+13026+f38c77ab.src.rpm libvirt-dbus-1.3.0-2.module+el8.4.0+8855+a9e237a9.src.rpm libvirt-python-7.0.0-1.module+el8.4.0+9469+2eaf72bc.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-7.0.0-1.module+el8.4.0+9469+2eaf72bc.src.rpm python-pyvmomi-6.7.1-7.module+el8.4.0+8855+a9e237a9.src.rpm qemu-kvm-5.2.0-16.module+el8.4.0+13460+2e130eec.13.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 supermin-5.2.1-1.module+el8.4.0+9751+d56db353.src.rpm swtpm-0.4.2-1.20201201git2df14e3.module+el8.4.0+9341+96cf2672.src.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:5065-01
Product: Advanced Virtualization
Advisory URL: Issue date: 2021-12-09

Topic

An update for the virt:av and virt-devel:av modules is now available forRed Hat Enterprise Linux Advanced Virtualization 8.4.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 Red Hat bug fix low severity KVM feature update virt:av

Relevant Releases Architectures

Advanced Virtualization for RHEL 8.4.0.EUS - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2020588 - CVE-2021-3930 QEMU: off-by-one error in mode_sense_page() in hw/scsi/scsi-disk.c

2021981 - qemu segfault after the 2rd postcopy live migration with vhost-user [RHEL-AV-8.4.0.z]

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