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

Related Vulnerabilities: CVE-2021-3750   CVE-2023-3019  

Synopsis

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

Type/Severity

Security Advisory: Moderate

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Topic

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.

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: hcd-ehci: DMA reentrancy issue leads to use-after-free (CVE-2021-3750)
  • QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest() (CVE-2023-3019)

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.

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 - Extended Update Support 8.8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.8 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.8 ppc64le
  • Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 8.8 s390x
  • Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.8 aarch64

Fixes

  • BZ - 1999073 - CVE-2021-3750 QEMU: hcd-ehci: DMA reentrancy issue leads to use-after-free
  • BZ - 2222351 - CVE-2023-3019 QEMU: e1000e: heap use-after-free in e1000e_write_packet_to_guest()