CVE-2025-46708

Software installed and running inside a Guest VM may conduct improper GPU system calls to prevent other Guests from running work on the GPU...

Relating IntelliCache and In-memory Read Caching

Introduced in XenServer 5.6 SP1, IntelliCache is designed to reduce the volume of storage I/O hitting the network and the storage repository SR shared with other hosts. Introduced in XenServer 6.5, in-memory read-caching is designed to reduce the volume of storage I/O hitting an SR and reduce I/O...

Update Rollup 6 for System Center 2016 Virtual Machine Manager

Update Rollup 6 for System Center 2016 Virtual Machine Manager Introduction This article describes the issues that are fixed in Update Rollup 6 for Microsoft System Center 2016 Virtual Machine Manager. Two updates are available for Virtual Machine Manager, one for the Virtual Machine Manager serv...

VMs Freezing or Poor Performance (xenvbd event ID 129)

VMs are encountering hang or poor performance issue related with disk I/O. xenvbd event ID 129 . From VM event log: ++++++++++ xenvbd event ID 129 \Device\RaidPort0 reset ++++++++++ - From XenServer messages log: ++++++++++ messages.1: Mar 8 14:11:35 MXVDIS01X tap-ctl1481: tap-err:tapctlreadraw:...

Scientific Linux Security Update : kernel on SL5.x i386/x86_64

a flaw in the ISDN CAPI subsystem that allowed a remote user to cause a denial of service or potential remote access. Exploitation would require the attacker to be able to send arbitrary frames over the ISDN network to the victim's machine. CVE-2007-1217, Moderate - a flaw in the perfmon...

Scientific Linux Security Update : kernel on SL4.x i386/x86_64

These new kernel packages contain fixes for the security issues described below : - a flaw in the ISDN CAPI subsystem that allowed a remote user to cause a denial of service or potential remote access. Exploitation would require the attacker to be able to send arbitrary frames over the ISDN netwo...