(RHSA-2018:0105) Important: qemu-kvm security update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fixes: An industry-wide issue was found in the way many modern microprocessor...

(RHSA-2018:0104) Important: qemu-kvm security update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fixes: An industry-wide issue was found in the way many modern microprocessor...

(RHSA-2018:0103) Important: qemu-kvm security update

Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm package provides the user-space component for running virtual machines that use KVM. Security Fixes: An industry-wide issue was found in the way many modern microprocessor...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0012) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - Revert 'kernel.spec: Require the new microcodectl.' Brian Maly - xen-blkback: add pendingreq allocation stats Ankur Arora Orabug: 27386890 - xen-blkback: move indirect req allocation out-of-line Ankur...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4017)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2018-4017 advisory. - KVM: x86: Add memory barrier on vmcs field lookup Andrew Honig CVE-2017-5753 - KVM: VMX: remove I/O port 0x80 bypass on Intel hosts Andrew Honig Orabug:...

Amazon Linux AMI : kernel (ALAS-2018-944)

Race condition in rawsendmsg function allows denial-of-service or kernel addresses leak A flaw was found in the Linux kernel's implementation of rawsendmsg allowing a local attacker to panic the kernel or possibly leak kernel addresses. A local attacker, with the privilege of creating raw sockets...

Amazon Linux AMI : qemu-kvm (ALAS-2018-942) (Spectre)

An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant...

EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2018-1015)

According to the version of the qemu-kvm packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly...

EulerOS 2.0 SP1 : qemu-kvm (EulerOS-SA-2018-1014)

According to the version of the qemu-kvm package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly...

Unbreakable Enterprise kernel security update

4.1.12-112.14.13 - Revert 'kernel.spec: Require the new microcodectl.' Brian Maly 4.1.12-112.14.12 - xen-blkback: add pendingreq allocation stats Ankur Arora Orabug: 27386890 - xen-blkback: move indirect req allocation out-of-line Ankur Arora Orabug: 27386890 - xen-blkback: pull nseg validation o...

Fedora 27 : 2:qemu (2017-8db9c497f9)

Fix ppc64 KVM failure bz 1501936 - CVE-2017-15038: 9p: information disclosure when reading extended attributes bz 1499111 - CVE-2017-15268: potential memory exhaustion via websock connection to VNC bz 1496882 ---- qemu-pr-helper didn't work due to a change in the libmultipath/libmpathpersist APIs...

Updated kernel packages fix security vulnerabilities

This kernel update is based on the upstream 4.4.111 and fixes several security issues. The most important fix in this update is for the security issue named "Meltdown" that is fixed in theese kernels by enabling kernel Page Table Isolation KTPI. Note that according to AMD, this issue does not...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.14.13 and fixes several security issues. The most important fix in this update is for the security issue named "Meltdown" that is fixed in theese kernels by enabling kernel Page Table Isolation KTPI. Note that according to AMD, this issue does not...

Updated kernel-tmb packages fix security vulnerabilities

This kernel-tmb update is based on the upstream 4.4.111 and fixes several security issues. The most important fix in this update is for the security issue named "Meltdown" that is fixed in theese kernels by enabling kernel Page Table Isolation KTPI. Note that according to AMD, this issue does not...

Updated kernel packages fix security vulnerabilities

This kernel update is based on the upstream 4.14.13 and fixes several security issues. The most important fix in this update is for the security issue named "Meltdown" that is fixed in theese kernels by enabling kernel Page Table Isolation KPTI. Note that according to AMD, this issue does not...

Important: qemu-kvm

Issue Overview: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions a commonly used performance optimization. There are three primary variants of the issue which differ in the way the speculative execution can be...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2018-0007) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - x86/ibrs: Remove 'ibrsdump' and remove the prdebug Konrad Rzeszutek Wilk Orabug: 27350825 - kABI: Revert kABI: Make the bootcpudata look normal Konrad Rzeszutek Wilk CVE-2017-5715 - userns: prevent...

Ubuntu: Security Advisory (USN-3522-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...

Multiple CPUs - Information Leak Using Speculative Execution

Multiple CPUs - Information Leak Using Speculative Execution == INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machin...

Multiple CPUs - Information Leak Using Speculative Execution Exploit

Exploit for hardware platform in category dos / poc == INTRODUCTION == This is a bug report about a CPU security issue that affects processors by Intel, AMD and to some extent ARM. I have written a PoC for this issue that, when executed in userspace on an Intel Xeon CPU E5-1650 v3 machine with a...