The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4112 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: virtio-net: heap use-after-free in virtio_net_receive_rcu (CVE-2021-3748)

    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):

    * qemu-img convert --bitmaps fail if a bitmap is inconsistent (BZ#1993308)

    * fails to revert snapshot of a VM [balloon/page-poison] (BZ#2005425)

    * Operation not permitted in setting unpriv_sgio for KubeVirt (BZ#2012223)

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:av and virt-devel:av (RHSA-2021:4112)

high Nessus Plugin ID 154887

Version 1.10