Description
It was discovered that the update for the virt:rhel module in the RHSA-2020:4676 (https://access.redhat.com/errata/RHSA-2020:4676) erratum released as part of Red Hat Enterprise Linux 8.3 failed to include the fix for the qemu-kvm component issue CVE-2020-10756, which was previously corrected in virt:rhel/qemu-kvm via erratum RHSA-2020:4059 (https://access.redhat.com/errata/RHSA-2020:4059). CVE-2021-20295 was assigned to that Red Hat specific security regression.For more details about the original security issue CVE-2020-10756, refer to bug 1835986 or the CVE page: https://access.redhat.com/security/cve/CVE-2020-10756.
Solution(s)
redhat-upgrade-hivex redhat-upgrade-hivex-debuginfo redhat-upgrade-hivex-debugsource redhat-upgrade-hivex-devel redhat-upgrade-libguestfs redhat-upgrade-libguestfs-bash-completion redhat-upgrade-libguestfs-benchmarking redhat-upgrade-libguestfs-benchmarking-debuginfo redhat-upgrade-libguestfs-debuginfo redhat-upgrade-libguestfs-debugsource redhat-upgrade-libguestfs-devel redhat-upgrade-libguestfs-gfs2 redhat-upgrade-libguestfs-gobject redhat-upgrade-libguestfs-gobject-debuginfo redhat-upgrade-libguestfs-gobject-devel redhat-upgrade-libguestfs-inspect-icons redhat-upgrade-libguestfs-java redhat-upgrade-libguestfs-java-debuginfo redhat-upgrade-libguestfs-java-devel redhat-upgrade-libguestfs-javadoc redhat-upgrade-libguestfs-man-pages-ja redhat-upgrade-libguestfs-man-pages-uk redhat-upgrade-libguestfs-rescue redhat-upgrade-libguestfs-rsync redhat-upgrade-libguestfs-tools redhat-upgrade-libguestfs-tools-c redhat-upgrade-libguestfs-tools-c-debuginfo redhat-upgrade-libguestfs-winsupport redhat-upgrade-libguestfs-xfs redhat-upgrade-libiscsi redhat-upgrade-libiscsi-debuginfo redhat-upgrade-libiscsi-debugsource redhat-upgrade-libiscsi-devel redhat-upgrade-libiscsi-utils redhat-upgrade-libiscsi-utils-debuginfo redhat-upgrade-libnbd redhat-upgrade-libnbd-debuginfo redhat-upgrade-libnbd-debugsource redhat-upgrade-libnbd-devel redhat-upgrade-libvirt redhat-upgrade-libvirt-admin redhat-upgrade-libvirt-admin-debuginfo redhat-upgrade-libvirt-bash-completion redhat-upgrade-libvirt-client redhat-upgrade-libvirt-client-debuginfo redhat-upgrade-libvirt-daemon redhat-upgrade-libvirt-daemon-config-network redhat-upgrade-libvirt-daemon-config-nwfilter redhat-upgrade-libvirt-daemon-debuginfo redhat-upgrade-libvirt-daemon-driver-interface redhat-upgrade-libvirt-daemon-driver-interface-debuginfo redhat-upgrade-libvirt-daemon-driver-network redhat-upgrade-libvirt-daemon-driver-network-debuginfo redhat-upgrade-libvirt-daemon-driver-nodedev redhat-upgrade-libvirt-daemon-driver-nodedev-debuginfo redhat-upgrade-libvirt-daemon-driver-nwfilter redhat-upgrade-libvirt-daemon-driver-nwfilter-debuginfo redhat-upgrade-libvirt-daemon-driver-qemu redhat-upgrade-libvirt-daemon-driver-qemu-debuginfo redhat-upgrade-libvirt-daemon-driver-secret redhat-upgrade-libvirt-daemon-driver-secret-debuginfo redhat-upgrade-libvirt-daemon-driver-storage redhat-upgrade-libvirt-daemon-driver-storage-core redhat-upgrade-libvirt-daemon-driver-storage-core-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-disk redhat-upgrade-libvirt-daemon-driver-storage-disk-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-gluster redhat-upgrade-libvirt-daemon-driver-storage-gluster-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-iscsi redhat-upgrade-libvirt-daemon-driver-storage-iscsi-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-iscsi-direct redhat-upgrade-libvirt-daemon-driver-storage-iscsi-direct-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-logical redhat-upgrade-libvirt-daemon-driver-storage-logical-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-mpath redhat-upgrade-libvirt-daemon-driver-storage-mpath-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-rbd redhat-upgrade-libvirt-daemon-driver-storage-rbd-debuginfo redhat-upgrade-libvirt-daemon-driver-storage-scsi redhat-upgrade-libvirt-daemon-driver-storage-scsi-debuginfo redhat-upgrade-libvirt-daemon-kvm redhat-upgrade-libvirt-dbus redhat-upgrade-libvirt-dbus-debuginfo redhat-upgrade-libvirt-dbus-debugsource redhat-upgrade-libvirt-debuginfo redhat-upgrade-libvirt-debugsource redhat-upgrade-libvirt-devel redhat-upgrade-libvirt-docs redhat-upgrade-libvirt-libs redhat-upgrade-libvirt-libs-debuginfo redhat-upgrade-libvirt-lock-sanlock redhat-upgrade-libvirt-lock-sanlock-debuginfo redhat-upgrade-libvirt-nss redhat-upgrade-libvirt-nss-debuginfo redhat-upgrade-libvirt-python-debugsource redhat-upgrade-lua-guestfs redhat-upgrade-lua-guestfs-debuginfo redhat-upgrade-nbdfuse redhat-upgrade-nbdfuse-debuginfo redhat-upgrade-nbdkit redhat-upgrade-nbdkit-bash-completion redhat-upgrade-nbdkit-basic-filters redhat-upgrade-nbdkit-basic-filters-debuginfo redhat-upgrade-nbdkit-basic-plugins redhat-upgrade-nbdkit-basic-plugins-debuginfo redhat-upgrade-nbdkit-curl-plugin redhat-upgrade-nbdkit-curl-plugin-debuginfo redhat-upgrade-nbdkit-debuginfo redhat-upgrade-nbdkit-debugsource redhat-upgrade-nbdkit-devel redhat-upgrade-nbdkit-example-plugins redhat-upgrade-nbdkit-example-plugins-debuginfo redhat-upgrade-nbdkit-gzip-plugin redhat-upgrade-nbdkit-gzip-plugin-debuginfo redhat-upgrade-nbdkit-linuxdisk-plugin redhat-upgrade-nbdkit-linuxdisk-plugin-debuginfo redhat-upgrade-nbdkit-python-plugin redhat-upgrade-nbdkit-python-plugin-debuginfo redhat-upgrade-nbdkit-server redhat-upgrade-nbdkit-server-debuginfo redhat-upgrade-nbdkit-ssh-plugin redhat-upgrade-nbdkit-ssh-plugin-debuginfo redhat-upgrade-nbdkit-vddk-plugin redhat-upgrade-nbdkit-vddk-plugin-debuginfo redhat-upgrade-nbdkit-xz-filter redhat-upgrade-nbdkit-xz-filter-debuginfo redhat-upgrade-netcf redhat-upgrade-netcf-debuginfo redhat-upgrade-netcf-debugsource redhat-upgrade-netcf-devel redhat-upgrade-netcf-libs redhat-upgrade-netcf-libs-debuginfo redhat-upgrade-perl-hivex redhat-upgrade-perl-hivex-debuginfo redhat-upgrade-perl-sys-guestfs redhat-upgrade-perl-sys-guestfs-debuginfo redhat-upgrade-perl-sys-virt redhat-upgrade-perl-sys-virt-debuginfo redhat-upgrade-perl-sys-virt-debugsource redhat-upgrade-python3-hivex redhat-upgrade-python3-hivex-debuginfo redhat-upgrade-python3-libguestfs redhat-upgrade-python3-libguestfs-debuginfo redhat-upgrade-python3-libnbd redhat-upgrade-python3-libnbd-debuginfo redhat-upgrade-python3-libvirt redhat-upgrade-python3-libvirt-debuginfo redhat-upgrade-qemu-guest-agent redhat-upgrade-qemu-guest-agent-debuginfo redhat-upgrade-qemu-img redhat-upgrade-qemu-img-debuginfo redhat-upgrade-qemu-kvm redhat-upgrade-qemu-kvm-block-curl redhat-upgrade-qemu-kvm-block-curl-debuginfo redhat-upgrade-qemu-kvm-block-gluster redhat-upgrade-qemu-kvm-block-gluster-debuginfo redhat-upgrade-qemu-kvm-block-iscsi redhat-upgrade-qemu-kvm-block-iscsi-debuginfo redhat-upgrade-qemu-kvm-block-rbd redhat-upgrade-qemu-kvm-block-rbd-debuginfo redhat-upgrade-qemu-kvm-block-ssh redhat-upgrade-qemu-kvm-block-ssh-debuginfo redhat-upgrade-qemu-kvm-common redhat-upgrade-qemu-kvm-common-debuginfo redhat-upgrade-qemu-kvm-core redhat-upgrade-qemu-kvm-core-debuginfo redhat-upgrade-qemu-kvm-debuginfo redhat-upgrade-qemu-kvm-debugsource redhat-upgrade-ruby-hivex redhat-upgrade-ruby-hivex-debuginfo redhat-upgrade-ruby-libguestfs redhat-upgrade-ruby-libguestfs-debuginfo redhat-upgrade-seabios redhat-upgrade-seabios-bin redhat-upgrade-seavgabios-bin redhat-upgrade-sgabios redhat-upgrade-sgabios-bin redhat-upgrade-supermin redhat-upgrade-supermin-debuginfo redhat-upgrade-supermin-debugsource redhat-upgrade-supermin-devel redhat-upgrade-virt-dib redhat-upgrade-virt-dib-debuginfo redhat-upgrade-virt-v2v redhat-upgrade-virt-v2v-debuginfo
ReferencesCVE-2021-20295 RHSA-2021:1064