UBUNTU-CVE-2016-6259

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention SMAP whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service hypervisor and VM crash by triggering a safety check...

CVE-2016-1465

Cisco Nexus 1000v Application Virtual Switch AVS devices before 5.21SV31.5i allow remote attackers to cause a denial of service ESXi hypervisor crash and purple screen via a crafted Cisco Discovery Protocol packet that triggers an out-of-bounds memory access, aka Bug ID CSCuw57985...

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:...

openSUSE Security Update : xen (openSUSE-SU-2013:0636-1)

XEN was updated to fix various bugs and security issues : Security issues fixed : - bnc800275 - CVE-2013-0153: xen: interrupt remap entries shared and old ones not cleared on AMD IOMMUs - bnc797523 - CVE-2012-6075: qemu / kvm-qemu: e1000 overflows under some conditions - bnc797031 - Xen Security...

openSUSE Security Update : xen (openSUSE-SU-2013:1404-1)

XEN was updated to 4.2.2, fixing lots of bugs and several security issues. Various upstream patches were also merged into this version by our developers. Detailed buglist : - bnc824676 - Failed to setup devices for vm instance when start multiple vms simultaneously - bnc817799 - sles9sp4 guest...

CVE-2014-3124

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...

CVE-2014-3124

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...

UBUNTU-CVE-2014-3124

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...

CVE-2014-3124

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...

Design/Logic Flaw

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...

CVE-2014-3124

CVE-2014-3124 affects the Xen hypervisor (versions 4.1–4.4.x). The HVMOP_set_mem_type control can cause invalid P2M entries, enabling a local guest HVM admin to trigger a hypervisor crash (DoS) and potentially execute arbitrary code via a separate qemu-dm vulnerability that leads to invalid page ...

CVE-2014-3124

The HVMOPsetmemtype control in Xen 4.1 through 4.4.x allows local guest HVM administrators to cause a denial of service hypervisor crash or possibly execute arbitrary code by leveraging a separate qemu-dm vulnerability to trigger invalid page table translations for unspecified memory page types...

ARM hypervisor crash on guest interrupt controller access

ISSUE DESCRIPTION When handling a guest access to the virtual GIC distributor interrupt controller Xen could dereference a pointer before checking it for validity leading to a hypervisor crash and host Denial of Service. IMPACT A buggy or malicious guest can crash the host. VULNERABLE SYSTEMS Bot...

CVE-2014-1642

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service memory corruption and hypervisor crash and possibly...

CVE-2014-1642

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service memory corruption and hypervisor crash and possibly...

Double free

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service memory corruption and hypervisor crash and possibly...

CVE-2014-1642

CVE-2014-1642 affects Xen 4.2.x and 4.3.x when using device passthrough with large CPU counts. The IRQ setup frees memory that may still be in use, causing memory corruption and a hypervisor crash. Local guest administrators can trigger a denial of service, and, via the out-of-memory path, may ex...

CVE-2014-1642

The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service memory corruption and hypervisor crash and possibly...

CVE-2011-2519

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging HAP, allows guest users to cause a denial of service invalid pointer dereference and hypervisor crash via the SAHF instruction...

Null pointer dereference

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging HAP, allows guest users to cause a denial of service invalid pointer dereference and hypervisor crash via the SAHF instruction...