CentOS Linux: CVE-2021-3631: Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update (CESA-2021:4191)
3
(AV:L/AC:M/Au:N/C:P/I:P/A:N)
09/30/2021
10/02/2021
10/01/2021
05/25/2023
Description
A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.
Solution(s)
- centos-upgrade-hivex
- centos-upgrade-hivex-debuginfo
- centos-upgrade-hivex-debugsource
- centos-upgrade-hivex-devel
- centos-upgrade-libguestfs
- centos-upgrade-libguestfs-bash-completion
- centos-upgrade-libguestfs-benchmarking
- centos-upgrade-libguestfs-benchmarking-debuginfo
- centos-upgrade-libguestfs-debuginfo
- centos-upgrade-libguestfs-debugsource
- centos-upgrade-libguestfs-devel
- centos-upgrade-libguestfs-gfs2
- centos-upgrade-libguestfs-gobject
- centos-upgrade-libguestfs-gobject-debuginfo
- centos-upgrade-libguestfs-gobject-devel
- centos-upgrade-libguestfs-inspect-icons
- centos-upgrade-libguestfs-java
- centos-upgrade-libguestfs-java-debuginfo
- centos-upgrade-libguestfs-java-devel
- centos-upgrade-libguestfs-javadoc
- centos-upgrade-libguestfs-man-pages-ja
- centos-upgrade-libguestfs-man-pages-uk
- centos-upgrade-libguestfs-rescue
- centos-upgrade-libguestfs-rsync
- centos-upgrade-libguestfs-tools
- centos-upgrade-libguestfs-tools-c
- centos-upgrade-libguestfs-tools-c-debuginfo
- centos-upgrade-libguestfs-winsupport
- centos-upgrade-libguestfs-xfs
- centos-upgrade-libiscsi
- centos-upgrade-libiscsi-debuginfo
- centos-upgrade-libiscsi-debugsource
- centos-upgrade-libiscsi-devel
- centos-upgrade-libiscsi-utils
- centos-upgrade-libiscsi-utils-debuginfo
- centos-upgrade-libnbd
- centos-upgrade-libnbd-debuginfo
- centos-upgrade-libnbd-debugsource
- centos-upgrade-libnbd-devel
- centos-upgrade-libvirt
- centos-upgrade-libvirt-admin
- centos-upgrade-libvirt-admin-debuginfo
- centos-upgrade-libvirt-bash-completion
- centos-upgrade-libvirt-client
- centos-upgrade-libvirt-client-debuginfo
- centos-upgrade-libvirt-daemon
- centos-upgrade-libvirt-daemon-config-network
- centos-upgrade-libvirt-daemon-config-nwfilter
- centos-upgrade-libvirt-daemon-debuginfo
- centos-upgrade-libvirt-daemon-driver-interface
- centos-upgrade-libvirt-daemon-driver-interface-debuginfo
- centos-upgrade-libvirt-daemon-driver-network
- centos-upgrade-libvirt-daemon-driver-network-debuginfo
- centos-upgrade-libvirt-daemon-driver-nodedev
- centos-upgrade-libvirt-daemon-driver-nodedev-debuginfo
- centos-upgrade-libvirt-daemon-driver-nwfilter
- centos-upgrade-libvirt-daemon-driver-nwfilter-debuginfo
- centos-upgrade-libvirt-daemon-driver-qemu
- centos-upgrade-libvirt-daemon-driver-qemu-debuginfo
- centos-upgrade-libvirt-daemon-driver-secret
- centos-upgrade-libvirt-daemon-driver-secret-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage
- centos-upgrade-libvirt-daemon-driver-storage-core
- centos-upgrade-libvirt-daemon-driver-storage-core-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-disk
- centos-upgrade-libvirt-daemon-driver-storage-disk-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-gluster
- centos-upgrade-libvirt-daemon-driver-storage-gluster-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-iscsi
- centos-upgrade-libvirt-daemon-driver-storage-iscsi-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-iscsi-direct
- centos-upgrade-libvirt-daemon-driver-storage-iscsi-direct-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-logical
- centos-upgrade-libvirt-daemon-driver-storage-logical-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-mpath
- centos-upgrade-libvirt-daemon-driver-storage-mpath-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-rbd
- centos-upgrade-libvirt-daemon-driver-storage-rbd-debuginfo
- centos-upgrade-libvirt-daemon-driver-storage-scsi
- centos-upgrade-libvirt-daemon-driver-storage-scsi-debuginfo
- centos-upgrade-libvirt-daemon-kvm
- centos-upgrade-libvirt-dbus
- centos-upgrade-libvirt-dbus-debuginfo
- centos-upgrade-libvirt-dbus-debugsource
- centos-upgrade-libvirt-debuginfo
- centos-upgrade-libvirt-debugsource
- centos-upgrade-libvirt-devel
- centos-upgrade-libvirt-docs
- centos-upgrade-libvirt-libs
- centos-upgrade-libvirt-libs-debuginfo
- centos-upgrade-libvirt-lock-sanlock
- centos-upgrade-libvirt-lock-sanlock-debuginfo
- centos-upgrade-libvirt-nss
- centos-upgrade-libvirt-nss-debuginfo
- centos-upgrade-libvirt-python-debugsource
- centos-upgrade-lua-guestfs
- centos-upgrade-lua-guestfs-debuginfo
- centos-upgrade-nbdfuse
- centos-upgrade-nbdfuse-debuginfo
- centos-upgrade-nbdkit
- centos-upgrade-nbdkit-bash-completion
- centos-upgrade-nbdkit-basic-filters
- centos-upgrade-nbdkit-basic-filters-debuginfo
- centos-upgrade-nbdkit-basic-plugins
- centos-upgrade-nbdkit-basic-plugins-debuginfo
- centos-upgrade-nbdkit-curl-plugin
- centos-upgrade-nbdkit-curl-plugin-debuginfo
- centos-upgrade-nbdkit-debuginfo
- centos-upgrade-nbdkit-debugsource
- centos-upgrade-nbdkit-devel
- centos-upgrade-nbdkit-example-plugins
- centos-upgrade-nbdkit-example-plugins-debuginfo
- centos-upgrade-nbdkit-gzip-plugin
- centos-upgrade-nbdkit-gzip-plugin-debuginfo
- centos-upgrade-nbdkit-linuxdisk-plugin
- centos-upgrade-nbdkit-linuxdisk-plugin-debuginfo
- centos-upgrade-nbdkit-python-plugin
- centos-upgrade-nbdkit-python-plugin-debuginfo
- centos-upgrade-nbdkit-server
- centos-upgrade-nbdkit-server-debuginfo
- centos-upgrade-nbdkit-ssh-plugin
- centos-upgrade-nbdkit-ssh-plugin-debuginfo
- centos-upgrade-nbdkit-vddk-plugin
- centos-upgrade-nbdkit-vddk-plugin-debuginfo
- centos-upgrade-nbdkit-xz-filter
- centos-upgrade-nbdkit-xz-filter-debuginfo
- centos-upgrade-netcf
- centos-upgrade-netcf-debuginfo
- centos-upgrade-netcf-debugsource
- centos-upgrade-netcf-devel
- centos-upgrade-netcf-libs
- centos-upgrade-netcf-libs-debuginfo
- centos-upgrade-perl-hivex
- centos-upgrade-perl-hivex-debuginfo
- centos-upgrade-perl-sys-guestfs
- centos-upgrade-perl-sys-guestfs-debuginfo
- centos-upgrade-perl-sys-virt
- centos-upgrade-perl-sys-virt-debuginfo
- centos-upgrade-perl-sys-virt-debugsource
- centos-upgrade-python3-hivex
- centos-upgrade-python3-hivex-debuginfo
- centos-upgrade-python3-libguestfs
- centos-upgrade-python3-libguestfs-debuginfo
- centos-upgrade-python3-libnbd
- centos-upgrade-python3-libnbd-debuginfo
- centos-upgrade-python3-libvirt
- centos-upgrade-python3-libvirt-debuginfo
- centos-upgrade-qemu-guest-agent
- centos-upgrade-qemu-guest-agent-debuginfo
- centos-upgrade-qemu-img
- centos-upgrade-qemu-img-debuginfo
- centos-upgrade-qemu-kvm
- centos-upgrade-qemu-kvm-block-curl
- centos-upgrade-qemu-kvm-block-curl-debuginfo
- centos-upgrade-qemu-kvm-block-gluster
- centos-upgrade-qemu-kvm-block-gluster-debuginfo
- centos-upgrade-qemu-kvm-block-iscsi
- centos-upgrade-qemu-kvm-block-iscsi-debuginfo
- centos-upgrade-qemu-kvm-block-rbd
- centos-upgrade-qemu-kvm-block-rbd-debuginfo
- centos-upgrade-qemu-kvm-block-ssh
- centos-upgrade-qemu-kvm-block-ssh-debuginfo
- centos-upgrade-qemu-kvm-common
- centos-upgrade-qemu-kvm-common-debuginfo
- centos-upgrade-qemu-kvm-core
- centos-upgrade-qemu-kvm-core-debuginfo
- centos-upgrade-qemu-kvm-debuginfo
- centos-upgrade-qemu-kvm-debugsource
- centos-upgrade-ruby-hivex
- centos-upgrade-ruby-hivex-debuginfo
- centos-upgrade-ruby-libguestfs
- centos-upgrade-ruby-libguestfs-debuginfo
- centos-upgrade-seabios
- centos-upgrade-seabios-bin
- centos-upgrade-seavgabios-bin
- centos-upgrade-sgabios
- centos-upgrade-sgabios-bin
- centos-upgrade-supermin
- centos-upgrade-supermin-debuginfo
- centos-upgrade-supermin-debugsource
- centos-upgrade-supermin-devel
- centos-upgrade-virt-dib
- centos-upgrade-virt-dib-debuginfo
- centos-upgrade-virt-v2v
- centos-upgrade-virt-v2v-debuginfo
Advanced vulnerability management analytics and reporting.
Key Features
- Lightweight Endpoint Agent
- Live Dashboards
- Real Risk Prioritization
- IT-Integrated Remediation Projects
- Cloud, Virtual, and Container Assessment
- Integrated Threat Feeds
- Easy-to-Use RESTful API
- Automation-Assisted Patching
- Automated Containment
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center