The vulnerability of Xen hypervisors allows a perpetrator to execute arbitrary code.

The vulnerability of the QEMU hypervisor component in Xen is caused by an overflow in the buffer of dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code by sending specially crafted packets containing fields such as TXSTATUSSTARTPACKET and TXSTATUSDEVIC...

[SECURITY] Fedora 20 Update: xen-4.3.4-6.fc20

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 22 Update: xen-4.5.0-11.fc22

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 21 Update: xen-4.4.2-5.fc21

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

DEBIAN-CVE-2015-4103

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service host interrupt handling confusion via vectors related to qemu and accessing spanning multiple fields...

openSUSE Security Update : xen (openSUSE-2015-391) (Venom)

The XEN hypervisor was updated to fix two security issues : - Fixed a buffer overflow in the floppy drive emulation, which could be used to denial of service attacks or potential code execution against the host. CVE-2015-3456 - Xen did not initialize certain fields, which allowed certain remote...

[SECURITY] Fedora 22 Update: xen-4.5.0-9.fc22

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 20 Update: xen-4.3.4-4.fc20

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 21 Update: xen-4.4.2-4.fc21

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

SUSE SLED12 / SLES12 Security Update : Xen (SUSE-SU-2015:0613-1)

The XEN hypervisor received updates to fix various security issues and bugs. The following security issues were fixed : - CVE-2015-2151: XSA-123: A hypervisor memory corruption due to x86 emulator flaw. - CVE-2015-2045: XSA-122: Information leak through version information hypercall. -...

SUSE SLES10 Security Update : Xen (SUSE-SU-2014:0411-1)

The SUSE Linux Enterprise Server 10 Service Pack 4 LTSS Xen hypervisor and toolset have been updated to fix various security issues. The following security issues have been addressed : - XSA-82: CVE-2013-6885: The microcode on AMD 16h 00h through 0Fh processors does not properly handle the...

SUSE SLES11 Security Update : Xen (SUSE-SU-2014:0446-1)

The SUSE Linux Enterprise Server 11 Service Pack 1 LTSS Xen hypervisor and toolset have been updated to fix various security issues and some bugs. The following security issues have been addressed : XSA-84: CVE-2014-1894: Xen 3.2 and presumably earlier exhibit both problems with the overflow issu...

[SECURITY] Fedora 20 Update: xen-4.3.4-3.fc20

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 21 Update: xen-4.4.2-3.fc21

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

CVE-2015-3340

Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a 1 XENDOMCTLgettscinfo or 2 XENSYSCTLgetdomaininfolist request...

[SECURITY] Fedora 22 Update: xen-4.5.0-8.fc22

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 22 Update: xen-4.5.0-7.fc22

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 20 Update: xen-4.3.4-2.fc20

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

[SECURITY] Fedora 21 Update: xen-4.4.2-2.fc21

This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...

CentOS 5 : kernel (CESA-2015:0783)

Updated kernel packages that fix two security issues and two bugs are now available for Red Hat Enterprise Linux 5. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...