FreeBSD -- Machine Check Exception on Page Size Change

Intel discovered a previously published erratum on some Intel platforms can be exploited by malicious software to potentially cause a denial of service by triggering a machine check that will crash or hang the system. Malicious guest operating systems may be able to crash the host...

VMSA-2019-0020 : Hypervisor-Specific Mitigations for Denial-of-Service and Speculative-Execution Vulnerabilities

a. Hypervisor-Specific Mitigations for Machine Check Error on Page Size Change MCEPSC Denial-of-Service vulnerability - CVE-2018-12207 VMware ESXi, Workstation, and Fusion patches include Hypervisor-Specific Mitigations for Machine Check Error on Page Size Change MCEPSC. A malicious actor with...

USN-4185-2 linux-azure vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

RHEL 6 : kernel (RHSA-2019:3836)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3836 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Machine Check Error on Page Size...

RHEL 7 : kernel-rt (RHSA-2019:3835)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3835 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 7 : kernel (RHSA-2019:3837)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3837 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Machine Check Error on Page Size...

RHEL 7 : kernel (RHSA-2019:3839)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3839 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Machine Check Error on Page Size...

RHEL 7 : kernel (RHSA-2019:3834)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3834 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Machine Check Error on Page Size...

RHEL 7 : kernel (RHSA-2019:3841)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3841 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Machine Check Error on Page Size...

RHEL 8 : kernel-rt (RHSA-2019:3833)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3833 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 7 : kernel (RHSA-2019:3840)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3840 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: hw: Machine Check Error on Page Size...

hw: Machine Check Error on Page Size Change (IFU)

A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor,...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Advanced Update Support, Red Hat Enterprise Linux 7.3 Telco Extended Update Support, and Red Hat Enterprise Linux 7.3 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

hw: Machine Check Error on Page Size Change (IFU)

A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor,...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6.5 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

hw: Machine Check Error on Page Size Change (IFU)

A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor,...

hw: Machine Check Error on Page Size Change (IFU)

A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor,...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

hw: Machine Check Error on Page Size Change (IFU)

A flaw was found in the way Intel CPUs handle inconsistency between, virtual to physical memory address translations in CPU's local cache and system software's Paging structure entries. A privileged guest user may use this flaw to induce a hardware Machine Check Error on the host processor,...