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.

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: infinite loop in inflate_buffer() leads to denial of service
 (CVE-2023-3255)

* QEMU: improper IDE controller reset can lead to MBR overwrite (CVE-2023-5088)

* QEMU: VNC: NULL pointer dereference in qemu_clipboard_request()
 (CVE-2023-6683)

* QEMU: virtio-net: stack buffer overflow in virtio_net_flush_tx()
 (CVE-2023-6693)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise
 Linux 8.10 Release Notes linked from the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2023-3255: Loop with Unreachable Exit Condition ('Infinite Loop')
 (CWE-835)
CVE-2023-5088: Incorrect Synchronization (CWE-821)
CVE-2023-6683: NULL Pointer Dereference (CWE-476)
CVE-2023-6693: Stack-based Buffer Overflow (CWE-121)