Debian Linux Security Advisory 4444-1 - Multiple researchers have discovered vulnerabilities in the way the Intel processor designs have implemented speculative forwarding of data filled into temporary microarchitectural structures (buffers). This flaw could allow an attacker controlling an unprivileged process to read sensitive information, including from the kernel and all other processes running on the system or cross guest/host boundaries to read host memory.
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Red Hat Security Advisory 2019-1209-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. The ovirt-node-ng packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include a CPU related vulnerability.
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On May 14, fixes for CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, and CVE-2019-11091 were released into the Ubuntu Xenial and Bionic kernels. These CVEs are security vulnerabilities caused by flaws in the design of speculative execution hardware in the computer's CPU. Researchers discovered that memory contents previously stored in microarchitectural buffers of an Intel CPU core may be visible to other processes running on the same core.
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Ubuntu Security Notice 3978-1 - Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. Various other issues were also addressed.
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Red Hat Security Advisory 2019-1208-01 - The RHV-M Virtual Appliance automates the process of installing and configuring the Red Hat Virtualization Manager. The appliance is available to download as an OVA file from the Customer Portal. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1203-01 - The VDSM service is required by a Virtualization Manager to manage the Linux hosts. VDSM manages and monitors the host's storage, memory and networks as well as virtual machine creation, other host administration tasks, statistics gathering, and log collection. Issues addressed include a CPU related vulnerability.
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Ubuntu Security Notice 3979-1 - Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. Various other issues were also addressed.
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Red Hat Security Advisory 2019-1187-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. Issues addressed include a CPU related vulnerability.
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Ubuntu Security Notice 3977-1 - Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. Various other issues were also addressed.
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Red Hat Security Advisory 2019-1202-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1171-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1201-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1197-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1186-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1189-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1188-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1199-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1200-01 - KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1194-01 - The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1190-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include CPU related, buffer overflow, information leakage, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2019-1172-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1198-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1196-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1193-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a CPU related vulnerability.
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Red Hat Security Advisory 2019-1195-01 - Kernel-based Virtual Machine is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Issues addressed include a CPU related vulnerability.
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