Linux DoS Xen 4.2.0 2012-5525

This module causes a hypervisor crash in Xen 4.2.0 when invoked from a paravirtualized VM, including from dom0. Successfully tested on Debian 7 3.2.0-4-amd64 with Xen 4.2.0. This module requires Metasploit: https://metasploit.com/download Current source:...

qemu disk backend (qdisk) resource leak

ISSUE DESCRIPTION The qdisk PV disk backend in the qemu-xen flavour of qemu "upstream qemu" can be influenced by a malicious frontend to leak mapped grant references. IMPACT A malicious HVM guest can cause the backend domain to run out of grant references, leading to a DoS for any other domain...

Fedora 18 : xen-4.2.0-6.fc18 (2012-19652)

A guest can cause xen to crash XSA-26, CVE-2012-5510 883082 An HVM guest can cause xen to run slowly or crash XSA-27, CVE-2012-5511 883084 A PV guest can cause xen to crash and might be able escalate privileges XSA-29, CVE-2012-5513 883088 An HVM guest can cause xen to hang XSA-30, CVE-2012-5514...