Moderate: virt:av and virt-devel:av security and bug fix update

Related Vulnerabilities: CVE-2022-0358   CVE-2022-0485  

Synopsis

Moderate: virt:av and virt-devel:av security and bug fix update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

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Topic

An update for the virt:av and virt-devel:av modules is now available for Advanced Virtualization for RHEL 8.5.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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: virtiofsd: potential privilege escalation via CVE-2018-13405 (CVE-2022-0358)
  • libnbd: nbdcopy: missing error handling may create corrupted destination image (CVE-2022-0485)

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):

  • KVM Fedora 35 guest x86 programs randomly crash in signal handler [rhel-av-8.5z] (BZ#2043122)

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

Affected Products

  • Red Hat Enterprise Linux Advanced Virtualization 8 x86_64
  • Red Hat Enterprise Linux Advanced Virtualization (for RHEL Server for IBM Power LE) 8 ppc64le
  • Red Hat Enterprise Linux Advanced Virtualization (for RHEL Server for ARM 64) 8 aarch64
  • Red Hat Enterprise Linux Advanced Virtualization (for RHEL Server for IBM System Z) 8 s390x

Fixes

  • BZ - 2043122 - KVM Fedora 35 guest x86 programs randomly crash in signal handler [rhel-av-8.5z]
  • BZ - 2044863 - CVE-2022-0358 QEMU: virtiofsd: potential privilege escalation via CVE-2018-13405
  • BZ - 2050324 - CVE-2022-0485 libnbd: nbdcopy: missing error handling may create corrupted destination image