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RHEL 8.2: RHSA-2021-0771 Low: Virt Module Security Advisory

red hat
Calendar Grey March 9, 2021
Dist Redhat Esm H88
Examine the most recent Red Hat security announcement concerning low-impact modifications to virtualization components in RHEL 8.2, which include significant corrections.
An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

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

Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.
Security Fix(es):
* QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c (CVE-2020-25723)
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 Red Hat update buffer overflow low impact kernel module RHEL QEMU virt module RHEL 8.2

References

https://access.redhat.com/security/cve/CVE-2020-25723 https://access.redhat.com/security/updates/classification/#low

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: SLOF-20171214-6.gitfa98132.module+el8.1.0+4066+0f1aadab.src.rpm hivex-1.3.15-7.module+el8.1.0+4066+0f1aadab.src.rpm libguestfs-1.38.4-15.module+el8.2.0+5297+222a20af.src.rpm libguestfs-winsupport-8.0-4.module+el8.1.0+4066+0f1aadab.src.rpm libiscsi-1.18.0-8.module+el8.1.0+4066+0f1aadab.src.rpm libvirt-4.5.0-42.module+el8.2.0+6024+15a2423f.src.rpm libvirt-dbus-1.2.0-3.module+el8.1.0+4066+0f1aadab.src.rpm libvirt-python-4.5.0-2.module+el8.1.0+4066+0f1aadab.src.rpm nbdkit-1.4.2-5.module+el8.1.0+4066+0f1aadab.src.rpm netcf-0.2.8-12.module+el8.1.0+4066+0f1aadab.src.rpm perl-Sys-Virt-4.5.0-5.module+el8.1.0+4066+0f1aadab.src.rpm qemu-kvm-2.12.0-99.module+el8.2.0+9793+0e887671.5.src.rpm seabios-1.11.1-4.module+el8.1.0+4066+0f1aadab.src.rpm sgabios-0.20170427git-3.module+el8.1.0+4066+0f1aadab.src.rpm supermin-5.1.19-9.module+el8.1.0+4066+0f1aadab.src.rpm
aarch64: hivex-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm hivex-debuginfo-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm hivex-debugsource-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm hivex-devel-1.3.15-7.module+el8.1.0+4066+0f1aadab.aarch64.rpm libguestfs-1.38.4-15.module+el8.2.0+5297+222a20af.aarch64.rpm

Read the Full Advisory


Severity
low
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:0771-01
Product: Red Hat Enterprise Linux
Advisory URL:
Issue date: 2021-03-09

Topic

An update for the virt:rhel and virt-devel:rhel modules is now availablefor Red Hat Enterprise Linux 8.2 Extended Update Support.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 update Red Hat update buffer overflow low impact kernel module RHEL QEMU virt module RHEL 8.2

Relevant Releases Architectures

Red Hat CodeReady Linux Builder EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1898579 - CVE-2020-25723 QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c

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