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Citrix XenServer Multiple Security Updates (CTX201145)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a guest VM to crash the host. These vulnerabilities affect all currently supported versions of Citrix XenServer up to and including Citrix XenServer 6.5 Service Pack 1. The following vulnerabilities have been addressed: - CVE-2015-4106: Unmediated PCI register access in qemu. - CVE-2015-4163: GNTTABOP_swap_grant_ref operation misbehavior. - CVE-2015-4164: vulnerability in the iret hypercall handler - CVE-2015-2756: Unmediated PCI command register access in qemu - CVE-2015-4103: Potential unintended writes to host MSI message data field via qemu. - CVE-2015-4104: PCI MSI mask bits inadvertently exposed to guests. - CVE-2015-4105: Guest triggerable qemu MSI-X pass-through error messages
Affected Software
Affected Software
XenServer 6.5 XenServer 6.2.0 XenServer 6.0 XenServer 6.0.2 XenServer 6.1.0
Detection Method
Detection Method
Check the installed hotfixes
Solution
Solution
Apply the hotfix referenced in the advisory.