RHSA-2023:5264 — Security Advisory

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 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.

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.

Bug Fix(es):

• "No bootable device" with OS boot disk interface VirtIO-SCSI and with more than 9 VirtIO disks. (BZ#2228485)