Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)
- CVSS 3.0 Base Score: 5.6
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Aug 22, 2024 | May 30, 2019 |
| Amazon Linux Ami 2 | — | Upgrade libvirt-daemon-driver-secretUpgrade kernel-develUpgrade libvirt-daemon-driver-lxcUpgrade libvirt-daemon-driver-qemuUpgrade libvirt-daemon-config-nwfilterUpgrade libvirt-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-tools-develUpgrade libvirt-login-shellUpgrade libvirt-daemon-driver-storage-coreUpgrade libvirt-daemon-driver-storage-iscsiUpgrade libvirt-nssUpgrade libvirt-daemon-kvmUpgrade libvirt-daemon-driver-storageUpgrade libvirt-daemon-driver-storage-logicalUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade libvirt-daemon-driver-storage-diskUpgrade libvirt-daemon-driver-nwfilterUpgrade libvirt-bash-completionUpgrade libvirt-clientUpgrade libvirt-daemon-driver-storage-glusterUpgrade libvirt-daemon-lxcUpgrade libvirt-lock-sanlockUpgrade kernelUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade libvirt-daemonUpgrade libvirtUpgrade libvirt-daemon-driver-networkUpgrade libvirt-daemon-driver-storage-mpathUpgrade python-perfUpgrade kernel-toolsUpgrade libvirt-develUpgrade libvirt-adminUpgrade libvirt-daemon-config-networkUpgrade libvirt-libsUpgrade libvirt-docsUpgrade libvirt-daemon-driver-storage-scsiUpgrade libvirt-daemon-driver-nodedevUpgrade libvirt-daemon-driver-storage-rbdUpgrade python-perf-debuginfoUpgrade libvirt-daemon-driver-interfaceUpgrade kernel-debuginfo-common-x86_64 | Apr 27, 2020 | May 30, 2019 |
| Amazon_linux | — | Upgrade qemu-kvmUpgrade kernel | May 15, 2019 | May 14, 2019 |
| Apple Osx Microcode | — | Upgrade macOS to the latest version | May 15, 2019 | May 15, 2019 |
| Centos_linux | — | Upgrade libguestfs-rescueUpgrade libvirt-daemon-driver-storage-rbdUpgrade libvirt-daemon-driver-storage-scsi-debuginfoUpgrade qemu-kvm-block-curl-debuginfoUpgrade qemu-kvm-commonUpgrade ruby-libguestfs-debuginfoUpgrade qemu-kvm-common-debuginfoUpgrade qemu-img-debuginfoUpgrade qemu-kvm-block-rbdUpgrade libguestfs-toolsUpgrade ruby-hivex-debuginfoUpgrade libvirt-libsUpgrade nbdkit-develUpgrade libvirt-daemon-driver-nwfilter-debuginfoUpgrade libvirt-pythonUpgrade libvirt-daemon-driver-nodedevUpgrade libvirt-login-shellUpgrade python3-hivexUpgrade libvirt-daemon-driver-nodedev-debuginfoUpgrade libguestfs-xfsUpgrade libvirt-daemon-driver-interfaceUpgrade hivex-debugsourceUpgrade perl-hivex-debuginfoUpgrade nbdkit-plugin-xz-debuginfoUpgrade nbdkit-debugsourceUpgrade superminUpgrade libiscsi-utils-debuginfoUpgrade nbdkit-plugin-python-commonUpgrade libvirt-admin-debuginfoUpgrade qemu-kvm-block-sshUpgrade seabiosUpgrade libvirt-daemon-driver-interface-debuginfoUpgrade libguestfs-bash-completionUpgrade qemu-guest-agentUpgrade libvirt-lock-sanlock-debuginfoUpgrade perl-Sys-GuestfsUpgrade nbdkit-plugin-xzUpgrade qemu-kvm-block-curlUpgrade libvirt-daemon-driver-storage-coreUpgrade libvirt-nss-debuginfoUpgrade libvirt-daemon-driver-network-debuginfoUpgrade supermin-debuginfoUpgrade qemu-kvm-block-glusterUpgrade libvirt-daemon-driver-secret-debuginfoUpgrade libguestfs-gfs2Upgrade qemu-kvm-block-ssh-debuginfoUpgrade python3-libguestfsUpgrade kernel-rtUpgrade libvirt-bash-completionUpgrade qemu-kvm-core-debuginfoUpgrade lua-guestfsUpgrade libiscsi-debuginfoUpgrade libvirt-dbus-debuginfoUpgrade libvirt-daemon-driver-storage-scsiUpgrade netcf-libs-debuginfoUpgrade virt-dib-debuginfoUpgrade perl-Sys-Guestfs-debuginfoUpgrade nbdkit-plugin-gzip-debuginfoUpgrade virt-v2vUpgrade nbdkit-plugin-python3-debuginfoUpgrade libguestfs-gobject-debuginfoUpgrade libiscsi-utilsUpgrade nbdkit-basic-plugins-debuginfoUpgrade libvirt-clientUpgrade libvirtUpgrade libvirt-daemonUpgrade libguestfs-inspect-iconsUpgrade sgabiosUpgrade nbdkit-basic-pluginsUpgrade perl-Sys-Virt-debugsourceUpgrade qemu-kvm-toolsUpgrade libguestfs-debugsourceUpgrade libssh2-debugsourceUpgrade libvirt-daemon-driver-qemuUpgrade libvirt-daemon-driver-storage-gluster-debuginfoUpgrade libvirt-nssUpgrade perl-Sys-Virt-debuginfoUpgrade libguestfs-benchmarking-debuginfoUpgrade libvirt-daemon-driver-storage-disk-debuginfoUpgrade ruby-libguestfsUpgrade libvirt-daemon-driver-networkUpgrade libvirt-debuginfoUpgrade qemu-kvm-debuginfoUpgrade hivex-debuginfoUpgrade virt-p2v-makerUpgrade libvirt-dbusUpgrade libvirt-daemon-config-networkUpgrade lua-guestfs-debuginfoUpgrade libvirt-daemon-driver-storage-iscsiUpgrade perl-hivexUpgrade libvirt-daemon-driver-storage-logicalUpgrade libguestfs-develUpgrade qemu-kvm-block-rbd-debuginfoUpgrade virt-v2v-debuginfoUpgrade libvirt-daemon-driver-storage-core-debuginfoUpgrade python3-hivex-debuginfoUpgrade libvirt-daemon-driver-storage-rbd-debuginfoUpgrade hivex-develUpgrade libvirt-daemon-driver-storageUpgrade qemu-imgUpgrade libguestfs-tools-cUpgrade nbdkit-debuginfoUpgrade nbdkit-plugin-vddk-debuginfoUpgrade libguestfsUpgrade netcf-debugsourceUpgrade nbdkit-example-plugins-debuginfoUpgrade libguestfs-man-pages-ukUpgrade libvirt-lock-sanlockUpgrade qemu-kvm-block-iscsiUpgrade libguestfs-tools-c-debuginfoUpgrade libiscsi-develUpgrade libguestfs-debuginfoUpgrade libvirt-dbus-debugsourceUpgrade seabios-binUpgrade libguestfs-gobject-develUpgrade nbdkit-plugin-vddkUpgrade nbdkit-bash-completionUpgrade libvirt-daemon-driver-qemu-debuginfoUpgrade virt-dibUpgrade qemu-kvm-block-iscsi-debuginfoUpgrade seavgabios-binUpgrade perl-Sys-VirtUpgrade nbdkitUpgrade supermin-debugsourceUpgrade python3-libvirt-debuginfoUpgrade netcf-debuginfoUpgrade libvirt-daemon-driver-storage-logical-debuginfoUpgrade libvirt-daemon-kvmUpgrade libguestfs-java-debuginfoUpgrade qemu-kvmUpgrade libvirt-adminUpgrade supermin-develUpgrade libvirt-daemon-driver-lxcUpgrade libguestfs-java-develUpgrade libguestfs-javadocUpgrade libvirt-daemon-driver-secretUpgrade hivexUpgrade libvirt-daemon-config-nwfilterUpgrade libguestfs-man-pages-jaUpgrade qemu-guest-agent-debuginfoUpgrade libvirt-docsUpgrade ruby-hivexUpgrade libvirt-debugsourceUpgrade python3-libvirtUpgrade netcf-develUpgrade qemu-kvm-block-gluster-debuginfoUpgrade libvirt-libs-debuginfoUpgrade libssh2Upgrade libvirt-daemon-driver-nwfilterUpgrade libguestfs-gobjectUpgrade libguestfs-javaUpgrade netcfUpgrade python3-libguestfs-debuginfoUpgrade libguestfs-benchmarkingUpgrade libvirt-daemon-driver-storage-mpath-debuginfoUpgrade netcf-libsUpgrade libvirt-develUpgrade libvirt-daemon-driver-storage-glusterUpgrade nbdkit-plugin-python3Upgrade libvirt-client-debuginfoUpgrade libssh2-debuginfoUpgrade qemu-kvm-debugsourceUpgrade libguestfs-winsupportUpgrade libvirt-daemon-debuginfoUpgrade libvirt-daemon-driver-storage-diskUpgrade libguestfs-rsyncUpgrade qemu-kvm-coreUpgrade nbdkit-plugin-gzipUpgrade libiscsiUpgrade sgabios-binUpgrade libvirt-daemon-lxcUpgrade libvirt-daemon-driver-storage-mpathUpgrade libvirt-daemon-driver-storage-iscsi-debuginfoUpgrade libiscsi-debugsourceUpgrade kernelUpgrade nbdkit-example-plugins | May 17, 2019 | May 14, 2019 |
| Debian | — | Upgrade xenUpgrade linuxUpgrade intel-microcode | May 15, 2019 | May 15, 2019 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | May 15, 2019 |
| Freebsd | — | Upgrade FreeBSD | Nov 26, 2019 | Nov 25, 2019 |
| Gentoo Linux | — | Upgrade app-emulation/xen-tools.Upgrade app-emulation/xen. | Mar 27, 2020 | May 30, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libvirt-daemon-driver-nwfilterUpgrade libvirt-daemon-driver-interfaceUpgrade libvirt-daemon-kvmUpgrade libvirtUpgrade libvirt-daemon-config-nwfilterUpgrade libvirt-daemon-driver-qemuUpgrade libvirt-daemon-driver-secretUpgrade libvirt-daemon-driver-networkUpgrade libvirt-daemon-config-networkUpgrade libvirt-daemon-driver-storageUpgrade libvirt-daemon-driver-nodedevUpgrade libvirt-clientUpgrade libvirt-daemonUpgrade libvirt-daemon-driver-lxc | May 30, 2019 | May 14, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade perfUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernel-tools | May 30, 2019 | May 14, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade qemu-kvmUpgrade qemu-imgUpgrade qemu-kvm-common | May 30, 2019 | May 14, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade qemu-ui-cursesUpgrade qemu-audio-alsaUpgrade qemu-audio-sdlUpgrade qemu-system-aarch64-coreUpgrade qemu-ui-sdlUpgrade qemu-system-aarch64Upgrade qemu-block-dmgUpgrade qemu-block-curlUpgrade qemu-ui-gtkUpgrade qemu-imgUpgrade qemu-audio-ossUpgrade qemu-block-iscsiUpgrade qemu-kvmUpgrade qemu-block-nfsUpgrade qemu-audio-paUpgrade qemu-commonUpgrade qemu-block-sshUpgrade qemu-block-glusterUpgrade qemu-block-rbd | Nov 28, 2019 | May 30, 2019 |
| Oracle Solaris | — | Upgrade consolidation/osnet/osnet-incorporation to version 11.4-11.4.15.0.1.5.0 on Solaris 11.4 | Nov 20, 2019 | May 30, 2019 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | May 15, 2019 | May 14, 2019 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | May 30, 2019 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | May 15, 2019 | May 14, 2019 |
| Suse | — | Upgrade libvirt-bash-completionUpgrade libvirt-daemon-driver-nwfilterUpgrade qemu-kvmUpgrade kernel-ec2Upgrade qemu-hw-usb-redirectUpgrade xen-kmp-defaultUpgrade libvirt-daemon-driver-storage-iscsi-directUpgrade libvirt-daemon-xenUpgrade libvirt-daemon-driver-storage-iscsiUpgrade qemu-block-curlUpgrade qemu-chardev-baumUpgrade qemu-audio-alsaUpgrade libvirt-daemon-driver-storage-mpathUpgrade qemu-ui-cursesUpgrade libvirt-daemon-driver-storageUpgrade qemu-ui-spice-coreUpgrade qemu-microvmUpgrade xen-libs-32bitUpgrade kernel-defaultUpgrade qemu-skibootUpgrade qemu-langUpgrade qemu-block-iscsiUpgrade libvirt-daemon-lxcUpgrade qemu-block-sshUpgrade libvirt-daemon-driver-secretUpgrade kernel-ec2-extraUpgrade qemu-s390Upgrade libvirt-daemon-hooksUpgrade libvirt-daemon-driver-storage-diskUpgrade qemu-seabiosUpgrade qemu-ui-spice-appUpgrade qemu-ksmUpgrade libvirt-daemon-config-networkUpgrade qemu-audio-spiceUpgrade kernel-obs-buildUpgrade xenUpgrade libvirt-daemon-driver-storage-logicalUpgrade qemu-s390xUpgrade libvirt-lock-sanlockUpgrade libvirt-daemon-driver-lxcUpgrade kernel-docsUpgrade qemu-ui-gtkUpgrade qemu-vgabiosUpgrade libvirt-daemon-config-nwfilterUpgrade libvirt-clientUpgrade libvirt-develUpgrade kernel-default-extraUpgrade qemu-hw-display-virtio-vgaUpgrade kernel-azure-baseUpgrade qemu-ppcUpgrade qemu-ui-openglUpgrade qemu-ipxeUpgrade libvirt-daemon-driver-qemuUpgrade ucode-intelUpgrade libvirt-daemon-driver-networkUpgrade qemuUpgrade kernel-ec2-develUpgrade libvirt-daemon-driver-interfaceUpgrade xen-develUpgrade qemu-audio-ossUpgrade qemu-chardev-spiceUpgrade xen-doc-htmlUpgrade libvirt-nssUpgrade xen-tools-domUUpgrade kernel-source-azureUpgrade xen-libsUpgrade kernel-devel-azureUpgrade qemu-toolsUpgrade libvirt-daemon-driver-storage-coreUpgrade libvirt-docUpgrade qemu-guest-agentUpgrade qemu-armUpgrade libvirt-daemon-qemuUpgrade libvirt-daemon-driver-storage-scsiUpgrade libvirt-daemonUpgrade qemu-hw-display-virtio-gpu-pciUpgrade libvirt-adminUpgrade libvirt-libsUpgrade libvirt-daemon-driver-nodedevUpgrade qemu-audio-paUpgrade xen-toolsUpgrade qemu-block-rbdUpgrade kernel-default-manUpgrade qemu-sgabiosUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-hw-display-qxlUpgrade libvirtUpgrade qemu-x86Upgrade libvirt-daemon-driver-libxlUpgrade xen-tools-xendomains-wait-diskUpgrade qemu-hw-display-virtio-gpuUpgrade libvirt-daemon-driver-storage-rbd | May 15, 2019 | May 14, 2019 |
| Ubuntu | — | Upgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-4.15.0-1038-oemUpgrade linux-image-5.0.0-1006-kvmUpgrade linux-image-3.13.0-170-powerpc-e500Upgrade linux-image-3.2.0-140-genericUpgrade linux-image-azureUpgrade linux-image-5.0.0-1006-awsUpgrade linux-image-4.4.0-148-genericUpgrade qemu-system-x86Upgrade linux-image-kvmUpgrade linux-image-4.4.0-148-generic-lpaeUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-4.4.0-148-powerpc-smpUpgrade linux-image-4.4.0-1046-kvmUpgrade libvirt0Upgrade linux-image-4.15.0-1053-snapdragonUpgrade linux-image-4.18.0-20-lowlatencyUpgrade linux-image-raspi2Upgrade linux-image-4.4.0-1083-awsUpgrade linux-image-generic-lpae-lts-trustyUpgrade libvirt-daemonUpgrade linux-image-3.13.0-170-powerpc64-embUpgrade linux-image-3.2.0-140-generic-paeUpgrade linux-image-4.15.0-1045-azureUpgrade linux-image-5.0.0-1006-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-3.2.0-140-powerpc-smpUpgrade linux-image-3.13.0-170-genericUpgrade intel-microcodeUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-4.4.0-148-lowlatencyUpgrade linux-image-3.13.0-170-generic-lpaeUpgrade qemuUpgrade linux-image-3.13.0-170-lowlatencyUpgrade linux-image-awsUpgrade linux-image-4.18.0-20-snapdragonUpgrade linux-image-3.2.0-140-omapUpgrade linux-image-4.18.0-1016-awsUpgrade linux-image-powerpc-e500mcUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-4.4.0-148-powerpc64-embUpgrade linux-image-generic-hwe-18.04Upgrade libvirt-binUpgrade linux-image-4.15.0-50-generic-lpaeUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-5.0.0-15-lowlatencyUpgrade linux-image-3.13.0-170-powerpc64-smpUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.4.0-1113-snapdragonUpgrade linux-image-4.15.0-1032-gcpUpgrade linux-image-4.15.0-1034-kvmUpgrade linux-image-snapdragon-hwe-18.04 | May 15, 2019 | May 14, 2019 |
| Vmsa 2019 0008 | — | Upgrade VMware ESXi 6.7 to build number 13644319Upgrade VMware ESXi 6.0 to build number 13635687Upgrade VMware ESXi 6.5 to build number 13635690 | May 24, 2019 | May 24, 2019 |
| Vmsa 2019 0010 | — | Upgrade VMware ESXi 6.0 to build number 13635687Upgrade VMware ESXi 6.5 to build number 13635690Upgrade VMware ESXi 6.7 to build number 13644319 | Jul 4, 2019 | May 30, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 30, 2019 |
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