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

Related Vulnerabilities: CVE-2022-4144  

Synopsis

Moderate: virt:rhel and virt-devel:rhel 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:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.

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

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: QXL: qxl_phys2virt unsafe address translation can lead to out-of-bounds read (CVE-2022-4144)

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):

  • libvirt kills virtual machine on restart when 2M and 1G hugepages are mounted (BZ#2132176)
  • VMs hung on vnc_clipboard_send (BZ#2148504)

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 for x86_64 8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

  • BZ - 2132176 - libvirt kills virtual machine on restart when 2M and 1G hugepages are mounted [rhel-8.7.0.z]
  • BZ - 2148506 - CVE-2022-4144 QEMU: QXL: qxl_phys2virt unsafe address translation can lead to out-of-bounds read