The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:1125 advisory.

    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: out-of-bound heap buffer access via an interrupt ID field (CVE-2021-20221)

    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):

    * Libvirt shouldn't set the MTU of an unmanaged tap/macvtap device, it should just pass the mtu to the     guest (BZ#1924681)

    * libvirtd crashes in virEventThreadWorker (BZ#1942010)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 8 : virt:8.3 and virt-devel:8.3 (RHSA-2021:1125)

medium Nessus Plugin ID 148394

Version 1.12