Security bulletin covering VENOM
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Last week a vulnerability in QEUM was reported with the marketing name of "VENOM", but which is more correctly known as CVE-2015-3456. Citrix have released a security bulletin covering CVE-2015-3456 which has been updated to include hotfixes for XenServer 6.5, 6.5 SP1 and XenServer 6.2 SP1.
Learning about new XenServer hotfixes
When a hotfix is released for XenServer, it will be posted to the Citrix support web site. You can receive alerts from the support site by registering at http://support.citrix.com/profile/watches and following the instructions there. You will need to create an account if you don't have one, but the account is completely free. Whenever a security hotfix is released, there will be an accompanying security advisory in the form of a CTX knowledge base article for it, and those same KB articles will be linked on xenserver.org in the download page.
Patching XenServer hosts
XenServer admins are encouraged to schedule patching of their XenServer installations at their earliest opportunity. Please note that this bulletin does impact XenServer 6.2 hosts, and to apply the patch, all XenServer 6.2 hosts will first need to be patched to service pack 1 which can be found on the XenServer download page.
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