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Red Hat Enterprise Linux 8.2: RHSA-2022-0973 QEMU-KVM Privilege Escalation

red hat
Calendar Grey March 21, 2022
Dist Redhat Esm H88
Users of Red Hat Enterprise Linux must upgrade the qemu-kvm component to mitigate a moderate risk of privilege escalation. Adhere to the outlined procedures.
An update for the virt:av and virt-devel:av modules is now available for Red Hat Enterprise Linux Advanced Virtualization 8.2

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: virtiofsd: potential privilege escalation via CVE-2018-13405 (CVE-2022-0358)
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 moderate privilege escalation Red Hat Enterprise Linux qemu-kvm update module security

References

https://access.redhat.com/security/cve/CVE-2022-0358 https://access.redhat.com/security/updates/classification#moderate

Package List

Advanced Virtualization for RHEL 8.2.1:
Source: SLOF-20191022-3.git899d9883.module+el8.2.0+5449+efc036dd.src.rpm hivex-1.3.18-20.module+el8.2.0+5588+63a201c3.src.rpm libguestfs-1.40.2-24.module+el8.2.1+7154+47ffd890.src.rpm libguestfs-winsupport-8.2-2.module+el8.2.1+12663+d52ebc0d.src.rpm libiscsi-1.18.0-8.module+el8.2.0+4793+b09dd2fb.src.rpm libnbd-1.2.2-1.module+el8.2.0+5644+32ac38d4.src.rpm libtpms-0.7.0-1.20191018gitdc116933b7.module+el8.2.0+4793+b09dd2fb.src.rpm libvirt-6.0.0-25.6.module+el8.2.1+12457+868e9540.src.rpm libvirt-dbus-1.3.0-2.module+el8.2.0+4793+b09dd2fb.src.rpm libvirt-python-6.0.0-1.module+el8.2.0+5453+31b2b136.src.rpm nbdkit-1.16.2-4.module+el8.2.1+6710+effcb1df.src.rpm netcf-0.2.8-12.module+el8.2.0+4793+b09dd2fb.src.rpm perl-Sys-Virt-6.0.0-1.module+el8.2.0+5488+267def79.src.rpm python-pyvmomi-6.7.1-7.module+el8.2.0+4793+b09dd2fb.src.rpm qemu-kvm-4.2.0-29.module+el8.2.1+14195+13a89360.11.src.rpm seabios-1.13.0-2.module+el8.2.1+7284+aa32a2c4.src.rpm sgabios-0.20170427git-3.module+el8.2.0+4793+b09dd2fb.src.rpm supermin-5.1.19-10.module+el8.2.0+4793+b09dd2fb.src.rpm swtpm-0.2.0-2.20200127gitff5a83b.module+el8.2.0+5579+d71178e0.src.rpm virglrenderer-0.8.2-1.module+el8.2.0+5777+d9c2af8c.src.rpm
aarch64:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0973-01
Product: Advanced Virtualization
Advisory URL: Issue date: 2022-03-21

Topic

An update for the virt:av and virt-devel:av modules is now available forRed Hat Enterprise Linux Advanced Virtualization 8.2.Red Hat Product Security has rated this update as having a security impactof Moderate. 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 moderate privilege escalation Red Hat Enterprise Linux qemu-kvm update module security

Relevant Releases Architectures

Advanced Virtualization CodeReady Builder for RHEL 8.2.1 - aarch64, ppc64le, s390x, x86_64

Advanced Virtualization for RHEL 8.2.1 - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2044863 - CVE-2022-0358 QEMU: virtiofsd: potential privilege escalation via CVE-2018-13405

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