An update for Xen was just released to address a vulnerability where a buggy or malicious HVM guest can crash the host or read data relating to other guests or the hypervisor itself.
source:hostingseclist
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Xen security updates issued
Numerous updates were just released to address various security vulnerabilities and it is recommended that you update as soon as possible. (XSA-145 to XSA-153) Official Link: http://xenbits.xen.org/xsa/ Source: Hostingseclist
29 Oct 2015
Xen Security Advisories (XSA-182 & XSA-183)
An update for Xen was just released to address two major security vulnerabilities and it is recommended that you update as soon as possible.
25 Jul 2016
VMware Update Fixes Critical Remote Code Execution Vulnerability
VMware has fixed a critical flaw in its vCenter Server that could be exploited to execute code remotely. The vulnerability affects vCenter versions 6.5 and 6.0. Users are urged to upgrade to versions 6.5c or 6.0U3b. US-CERT warned about the vulnerability, stressing exploitation could result in an attacker taking…
19 Apr 2017