UVI-2021-1000857 kvm: avoid speculation-based attacks from out-of-range memslot accesses

kvm: avoid speculation-based attacks from out-of-range memslot accesses This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.237 by commit...

GSD-2021-1000857 kvm: avoid speculation-based attacks from out-of-range memslot accesses

kvm: avoid speculation-based attacks from out-of-range memslot accesses This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.237 by commit...

GSD-2021-1000843 kvm: avoid speculation-based attacks from out-of-range memslot accesses

kvm: avoid speculation-based attacks from out-of-range memslot accesses This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.273 by commit...

UVI-2021-1000843 kvm: avoid speculation-based attacks from out-of-range memslot accesses

kvm: avoid speculation-based attacks from out-of-range memslot accesses This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.273 by commit...

GSD-2021-1000831 kvm: avoid speculation-based attacks from out-of-range memslot accesses

kvm: avoid speculation-based attacks from out-of-range memslot accesses This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.4.273 by commit...

UVI-2021-1000831 kvm: avoid speculation-based attacks from out-of-range memslot accesses

kvm: avoid speculation-based attacks from out-of-range memslot accesses This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.4.273 by commit...

EulerOS Virtualization for ARM 64 3.0.6.0 : qemu-kvm (EulerOS-SA-2021-1994)

According to the version of the qemu-kvm packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - hw/usb/hcd-ohci.c in QEMU 5.0.0 has a stack-based buffer over-read via values obtained from the host controller driver...

EulerOS Virtualization for ARM 64 3.0.6.0 : qemu-kvm (EulerOS-SA-2021-2011)

According to the versions of the qemu-kvm packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and...

Moderate: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

Moderate: edk2 security update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: edk2: possible heap corruption with LzmaUefiDecompressGetInfo CVE-2021-28211 For more details about the security issues,...

RLSA-2021:2591 Moderate: edk2 security update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: edk2: possible heap corruption with LzmaUefiDecompressGetInfo CVE-2021-28211 For more details about the security issues,...

An EPYC escape: Case-study of a KVM breakout

Posted by Felix Wilhelm, Project Zero Introduction KVM for Kernel-based Virtual Machine is the de-facto standard hypervisor for Linux-based cloud environments. Outside of Azure, almost all large-scale cloud and hosting providers are running on top of KVM, turning it into one of the fundamental...

Ubuntu: Security Advisory (USN-5000-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-4997-2: Linux kernel (KVM) vulnerabilities

USN-4997-1 fixed vulnerabilities in the Linux kernel for Ubuntu 21.04. This update provides the corresponding updates for the Linux KVM kernel for Ubuntu 21.04. Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free...

USN-5000-2: Linux kernel (KVM) vulnerabilities

USN-5000-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS and the Linux HWE kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux KVM kernel for Ubuntu 20.04 LTS. Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of...

UVI-2021-1000825 x86/kvm: Disable all PV features on crash

x86/kvm: Disable all PV features on crash This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...

GSD-2021-1000825 x86/kvm: Disable all PV features on crash

x86/kvm: Disable all PV features on crash This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...

UVI-2021-1000823 x86/kvm: Disable kvmclock on all CPUs on shutdown

x86/kvm: Disable kvmclock on all CPUs on shutdown This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...

GSD-2021-1000823 x86/kvm: Disable kvmclock on all CPUs on shutdown

x86/kvm: Disable kvmclock on all CPUs on shutdown This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...

GSD-2021-1000821 x86/kvm: Teardown PV features on boot CPU as well

x86/kvm: Teardown PV features on boot CPU as well This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...