RHSA-2022:7472 — 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 Low. 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.

The following packages have been upgraded to a later upstream version: qemu-kvm (6.2.0). (BZ#2066828)

Security Fix(es):

• QEMU: fdc: heap buffer overflow in DMA read data transfers (CVE-2021-3507)

• libvirt: missing locking in nwfilterConnectNumOfNWFilters can lead to denial of service (CVE-2022-0897)

• libguestfs: Buffer overflow in get_keys leads to DoS (CVE-2022-2211)

• swtpm: Unchecked header size indicator against expected size (CVE-2022-23645)

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 8.7 Release Notes linked from the References section.