Product update: Virtuozzo 7.0 Update 8 Hotfix 4 (7.0.8-524)

This update provides a stability fix. Vulnerability id: PSBM-88673 Windows VMs created on Virtuozzo versions prior to 7.0.6 could fail to boot after installing the latest update...

Kernel update: Virtuozzo ReadyKernel patch 61.0 for Virtuozzo 7.0.4 to 7.0.7 HF3

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.4 to 7.0.7 HF3. Vulnerability id: PSBM-88561 It was found that the implementation of ploop did not handle errors reported by kthreadcreate properly. This could lead to a kernel crash in...

Kernel update: Virtuozzo ReadyKernel patch 61.0 for Virtuozzo 7.0.8 and 7.0.8 HF1

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.8 and 7.0.8 HF1. Vulnerability id: PSBM-87836 It was discovered that a container with NFS mounts could keep the files /var/lib/nfs/rpcpipefs/nfs/clntX open, even if no NFS server was...

Product update: Virtuozzo 7.0 Update 8 Hotfix 3 (7.0.8-521)

This update provides stability fixes. Vulnerability id: PSBM-88084 Windows 2012R2 VMs could freeze due to virsh failing to create memory dumps. Vulnerability id: PSBM-88274 Container migration could fail due to a segmentation fault during CRIU restore. Vulnerability id: PSBM-88315 Host CPU could ...

Patch Tuesday, September 2018 Edition

Adobe and Microsoft today each released patches to fix serious security holes in their software. Adobe pushed out a new version of its beleaguered Flash Player browser plugin. Redmond issued updates to address at least 61 distinct vulnerabilities in Microsoft Windows and related programs, includi...

Servicing stack update for Windows 10, version 1803: September 11, 2018

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Kernel update: Virtuozzo ReadyKernel patch 60.0 for Virtuozzo 7.0.7 to 7.0.8

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.7 to 7.0.8. Vulnerability id: PSBM-87665 fusekiopcs: potential kernel crash NULL pointer dereference in pcsmapencodereq. Vulnerability id: PSBM-88082 File systems: insufficient error...

Kernel update: Virtuozzo ReadyKernel patch 60.0 for Virtuozzo 7.0.4 to 7.0.7

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to Virtuozzo 7.0.4 to 7.0.7. Vulnerability id: PSBM-88082 File systems: insufficient error handling in sget could lead to excessive memory consumption...

Kernel update: Virtuozzo ReadyKernel patch 60.0 for Virtuozzo 7.0.8 HF1

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.8 HF1. Vulnerability id: PSBM-73001 sunrpc: potential kernel crash use after free in svcprocesscommon. Vulnerability id: PSBM-87649 Potential out-of-bounds read in fusedevsplicewrite...

Product update: Virtuozzo 7.0 Update 8 Hotfix 2 (7.0.8-514)

This update provides a stability fix. Vulnerability id: PSBM-88233 EFI VMs created on Virtuozzo 7.0.8 and 7.0.8 Hotfix 1 have incorrect NVRAM.dat file. As a result, they may not start on 7.0.8 Hotfix 2 once stopped. VM console may display the message "Guest has not initialized the display yet". F...

August 30, 2018—KB4343891 (Preview of Monthly Rollup)

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Kernel update: New kernel 2.6.32-042stab133.2; Virtuozzo 6.0 Update 12 Hotfix 32 (6.0.12-3719)

This update provides a new kernel 2.6.32-042stab133.2 for Virtuozzo 6.0. The new kernel introduces a stability fix. Vulnerability id: PSBM-87976, OVZ-7048, OVZ-7049 Regression in 2.6.32-042stab133.1: Host could crash during processing of quite rare fragmented TCP traffic...

Kernel update: New kernel 2.6.32-042stab133.2 for Virtuozzo Containers for Linux 4.7, Server Bare Metal 5.0

This update provides a new kernel 2.6.32-042stab133.2 for Virtuozzo Containers for Linux 4.7 and Server Bare Metal 5.0. The new kernel introduces a stability fix. Vulnerability id: PSBM-87976, OVZ-7048, OVZ-7049 Regression in 2.6.32-042stab133.1: Host could crash during processing of quite rare...

Product update: Virtuozzo 6.0 Update 12 Hotfix 31 (6.0.12-3717)

This update provides a stability fix. Vulnerability id: PSBM-87547 Centos 7.5 VM running on a host with an AMD CPU could crash after the host had been updated...

Kernel update: Virtuozzo ReadyKernel patch 59.0 for Virtuozzo 7.0.7 to 7.0.7 HF3

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.7 to 7.0.7 HF3. Vulnerability id: PSBM-73001 sunrpc: potential kernel crash use after free in svcprocesscommon. Vulnerability id: PSBM-87281 'libvirtd' service was unresponsive because...

Kernel update: Virtuozzo ReadyKernel patch 59.0 for Virtuozzo 7.0.8

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.8. Vulnerability id: PSBM-73001 sunrpc: potential kernel crash use after free in svcprocesscommon. Vulnerability id: PSBM-87281 'libvirtd' service was unresponsive because 'cgroupmutex'...

Kernel update: Virtuozzo ReadyKernel patch 59.0 for Virtuozzo 7.0.4 to 7.0.6 HF3

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to Virtuozzo 7.0.4 to 7.0.6 HF3. Vulnerability id: PSBM-73001 sunrpc: potential kernel crash use after free in svcprocesscommon. Vulnerability id: PSBM-87649 Potential out-of-bounds read in...

Kernel update: Virtuozzo ReadyKernel patch 58.0 for Virtuozzo 7.0.8

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernel 3.10.0-862.9.1.vz7.63.3 7.0.8. Vulnerability id: PSBM-87858 Haproxy processes were getting stuck in D state in locksock. Vulnerability id: PSBM-87877 It was found that rpcgethdr function...

Fedora 27 : rsyslog (2018-2818fc5308)

rebase to 8.37.0 ---------------------- - few fixes and enhancements handling journal input - now requires librelp at least 1.2.16, adding support for setting address to bind - various other rsyslog core bugfixes and stability fixes Note that Tenable Network Security has extracted the preceding...

Overcommitting pCPUs on individual XenServer VMs

Citrix recommends that you do not run a VM with more virtual CPUs vCPUs than the number physical CPUs pCPUs available on the XenServer host. The number of pCPUs available to XenServer can change even after the installation of VMs. For example, through actual hardware changes, changes in the BIOS...