CVE-2015-1647

CVE-2015-1647 affects Microsoft Windows Hyper-V, specifically the Virtual Machine Manager (VMM) in Windows 8.1 and Windows Server 2012 R2. A crafted application running inside a guest VM can cause a denial of service (VMM functionality loss). The issue is tied to Hyper-V’s VMM component (vmms.exe...

MS15-042: Vulnerability in Windows Hyper-V could allow denial of service: April 14, 2015

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MS15-042: Vulnerability in Windows Hyper-V Could Allow Denial of Service (3047234)

The remote Windows host is affected by a denial of service vulnerability in Hyper-V which a local, authenticated attacker can exploit by using a crafted application running in a virtual machine session. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid82778;...

KLA10555 Denial of service vulnerability in Hyper-V

An unspecified vulnerability was found in Microsoft products. By exploiting this vulnerability malicious users can cause denial of service. This vulnerability can be exploited remotely via a specially designed application. Original advisories MS advisory CVE-2015-1647 Exploitation Related product...

Microsoft Windows Hyper-V CVE-2015-1647 Remote Denial of Service Vulnerability

Description Microsoft Windows is prone to a remote denial-of-service vulnerability. An attacker can exploit this issue to cause a denial-of-service condition. Technologies Affected Microsoft Windows 8.1 for 64-bit Systems Microsoft Windows Server 2012 R2 Recommendations Block external access at t...

CVE-2015-1647: Improper Input Validation

Virtual Machine Manager VMM in Hyper-V in Microsoft Windows 8.1 and Windows Server 2012 R2 allows guest OS users to cause a denial of service VMM functionality loss via a crafted application, aka "Windows Hyper-V DoS Vulnerability."...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2015:0726 Updated kernel packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS...

CentOS 7 : kernel (CESA-2015:0726)

Updated kernel packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, a...

RHEL 7 : kernel (RHSA-2015:0726)

Updated kernel packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, a...

Mandriva Linux Security Advisory : qemu (MDVSA-2015:061)

Updated qemu packages fix multiple security vulnerabilities : Sibiao Luo discovered that QEMU incorrectly handled device hot-unplugging. A local user could possibly use this flaw to cause a denial of service CVE-2013-4377. Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3 device...

Windows 2012/2012R2 leaks memory when a hardware snapshot is created multiple times on a CSV

Challenge Windows 2012 / 2012 R2 Hyper-V hosts leak memory when a hardware snapshot is created/removed multiple times on a CSV with a hardware provider. Cause Windows 2012 / 2012 R2 Hyper-V hosts leak memory when a snapshot is created on a CSV using hardware provider. Due to the fact that only a...

Guest OS and Guest DNS name properties are empty or not updating on Hyper-V virtual machines

Challenge Guest OS and Guest DNS name properties are empty or not updating on Hyper-V virtual machines Cause Veeam Management Pack 7.0 R2 for Hyper-V contains a bug which prevents these properties from being collected Solution Patch is available for Veeam Hyper-V Management Pack. Please contact...

Issue with Hyper-V Reports in MP builds 7.0.0.1911 and 7.0.0.1913

Challenge The following Hyper-V reports show no performance data: Performance Forecast for Hyper-V Clusters Performance Forecast for Hyper-V Storage Host Failure Modelling What-If VM Deployment Planning model existing VMs What-If VM Deployment Planning manual resource entry Virtual Machines...

Critical update rollup for Veeam Backup and Replication 8.0.0.817

Challenge Critical update rollup for Veeam Backup and Replication 8.0.0.817 for Hyper-V This update rollup fixes the following Hyper-V processing issues: CBT does not track changes correctly on VHDX disks files larger than 2 TB veeam.com/KB1961 Existing Hyper-V backup and replication jobs...

Existing Hyper-V backup and replication jobs processing VM with SCSI disks start to consume x2 space on target storage after upgrade to v8

Challenge After upgrading to v8 the following issues are observed with the existing jobs processing Hyper-V VMs with SCSI disks: 1. First backup job run will transfer entire VM disks into the incremental backup storage. The following job runs will operate normally - regular incremental restore...

Hyper-V backup or replication job with guest-processing fails after installing Windows Update KB3000853

After installing November roll-up update http://support.microsoft.com/kb/3000853 on 2012 Hyper-V hosts, VSS-enabled backups may be failing in any backup solution. In Veeam you will get "Unable t...

CBT does not track changes correctly on VHDX disks files larger than 2 TB

Challenge Veeam Change Block Tracking CBT driver incorrectly parses virtual disk file change information causing jobs to failover to "full scan" incremental passes in case of VSS backup or to create an empty incremental backup in case of crash-consistent backup when both of the following conditio...

RHEL 6 : kernel (RHSA-2014:1101)

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6.4 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which gi...

RHEL 6 : rhev-hypervisor6 3.4.0 (RHSA-2014:0674)

Updated rhev-hypervisor6 packages that fix multiple security issues, several bugs, and add various enhancements are now available. The Red Hat Security Response Team has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...

No VM names for Hyper-V in SCOM

Challenge The Hyper-V topology is discovered correctly, however, the Display Names of Virtual Machines are listed as their VM IDs. Example: Additionally, error events 3603 are logged in the OperationsManager event log on the Hyper-V server: VMDiscovery.js : 'vmid' is null or not an object error...