(RHSA-2022:5002) Moderate: virt:av and virt-devel:av security and bug fix update

The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

Security Fix(es):

• QEMU: QXL: integer overflow in cursor_alloc() can lead to heap buffer overflow (CVE-2021-4206)

• QEMU: QXL: double fetch in qxl_cursor() can lead to heap buffer overflow (CVE-2021-4207)

• QEMU: virtio-net: map leaking on error during receive (CVE-2022-26353)

• QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak (CVE-2022-26354)

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):

• Remove ‘\n’ from vhostuser ifname [rhel-av-8.4.z] (BZ#2077923)

• When doing a cpu-baseline between skylake and cascadelake, cascadelake is selected as baseline. (BZ#2084031)