Important: Red Hat Security Advisory: OpenShift Container Platform 4.1.24 machine-os-content-container security update

Red Hat OpenShift Container Platform release 4.1.24 is now available with updates to packages and images that fix several bugs and add enhancements. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, whic...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.2.5 machine-os-content-container security update

An update for machine-os-content-container is now available for Red Hat OpenShift Container Platform 4.2. 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...

Important: kernel

Issue Overview: 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...

Important: kernel

Issue Overview: 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...

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,...

x86: Machine Check Error on Page Size Change DoS

ISSUE DESCRIPTION An erratum exists across some CPUs whereby an instruction fetch may cause a machine check error if the pagetables have been updated in a specific manner without invalidating the TLB. The x86 architecture explicitly permits modification of the pagetables without TLB invalidation,...

CVE-2019-17346

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel-rt Multiple Vulnerabilities (NS-SA-2019-0183)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel-rt packages installed that are affected by multiple vulnerabilities: - A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2019-0180)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current...

CVE-2019-17346

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

CVE-2019-17346

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

DEBIAN-CVE-2019-17346

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

CVE-2019-17346

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

Denial of service

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

CVE-2019-17346

An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers PCID and TLB flushes...

CVE-2019-17346

CVE-2019-17346 affects the Xen hypervisor (notably through 4.11.x). Root cause: an incompatibility between Process Context Identifiers (PCID) and TLB flushes in x86 PV guests, enabling either denial of service or privilege escalation for local attackers. Affected component: Xen PV guest OS path o...

Denial Of Service (DoS)

kernel is vulneralbe to denial of service DoS. The vulnerability exists as TLB flush happens too late on mremap...

PT-2019-4893 · Xen +1 · Xen +1

Name of the Vulnerable Software and Affected Versions: Xen versions prior to 4.12 Description: The issue is related to an incompatibility between Process Context Identifiers PCID and TLB flushes, allowing x86 PV guest OS users to cause a denial of service or gain privileges. This is due to...

Fedora 30 : xen (2019-53b0dc52ee)

xen: various flaws 1685577 grant table transfer issues on large hosts XSA-284 race with pass-through device hotplug XSA-285 x86: stealpage violates pagestruct access discipline XSA-287 x86: Inconsistent PV IOMMU discipline XSA-288 missing preemption in x86 PV page table unvalidation XSA-290 x86/P...

EulerOS Virtualization 2.5.4 : kernel (EulerOS-SA-2019-1253)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A division-by-zero in settermios, when debugging is enabled, was found in the Linux kernel. When the ioti driver is loaded, a loc...