Citrix XenServer Multiple Security Updates
Date: 16 August 2018
The purpose of this advisory is to bring attention to recent security updates for Citrix XenServer.
The following updates are following up on Intel’s recent Security Advisory and addresses vulnerabilities in a speculative execution side-channel method called L1 Terminal Fault (L1TF). These vulnerabilities, if exploited, could allow malicious unprivileged code in guest VMs to read arbitrary host memory, including memory allocated to other guests.
- Citrix XenServer 7.5
- Citrix XenServer 7.4
- Citrix XenServer 7.1 LTSR CU1
- Citrix XenServer 7.0
CVE-2018-3620, CVE-2018-3646, CVE-2018-14007, CVE-2018-TBA1, CVE-2018-TBA2
CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.
Note to Readers
For general information, please contact Public Safety Canada's Public Affairs division at:
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