Important: virt:rhel security update

Related Vulnerabilities: CVE-2022-40284   CVE-2023-3354  

Synopsis

Important: virt:rhel security update

Type/Severity

Security Advisory: Important

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Topic

An update for the virt:rhel module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service (CVE-2023-3354)
  • NTFS-3G: buffer overflow issue in NTFS-3G can cause code execution via crafted metadata in an NTFS image (CVE-2022-40284)

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 Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.4 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

  • BZ - 2216478 - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service
  • BZ - 2236130 - CVE-2022-40284 NTFS-3G: buffer overflow issue in NTFS-3G can cause code execution via crafted metadata in an NTFS image