ALPINE-CVE-2018-7541

An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service hypervisor crash or gain privileges by triggering a grant-table transition from v2 to v1...

DEBIAN-CVE-2018-7541

An issue was discovered in Xen through 4.10.x allowing guest OS users to cause a denial of service hypervisor crash or gain privileges by triggering a grant-table transition from v2 to v1...

ALPINE-CVE-2018-7540

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service host OS CPU hang via non-preemptable L3/L4 pagetable freeing...

Xen Multiple Vulnerabilities (Spectre) (Meltdown) (XSA-254)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by multiple vulnerabilities. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations or if patches were applie...

Debian DLA-1270-1 : xen security update

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation. For Debian 7 'Wheezy', these problems have been fixed in version 4.1.6.lts1-12. We recommend that you upgrade your xen packages. Please note that CVE-2017-15590 XSA-237 will not be fix...

Debian DLA-1230-1 : xen security update

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, information leaks, privilege escalation or the execution of arbitrary code. For Debian 7 'Wheezy', these problems have been fixed in version 4.1.6.lts1-11. We recommend that you upgrade...

Information leak via side effects of speculative execution

ISSUE DESCRIPTION Processors give the illusion of a sequence of instructions executed one-by-one. However, in order to most efficiently use cpu resources, modern superscalar processors actually begin executing many instructions in parallel. In cases where instructions depend on the result of...

[SECURITY] Fedora 26 Update: xen-4.8.2-9.fc26

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

Xen PV Guests Internally Used Pages Access Handling Guest-to-Host Privilege Escalation (XSA-248)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host privilege escalation vulnerability. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not check guest hardware configurations...

Xen Function M2P Entry Access Handling Guest-to-Host DoS (XSA-251)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host denial of service vulnerability. Note that x86 systems are vulnerable. ARM systems are not vulnerable. Note that Nessus has checked the changeset versions based on the...

Xen Shadow Mode Page Use Reference Counting Error Handling Guest-to-Host DoS (XSA-250)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host denial of service vulnerability. Note that x86 systems are vulnerable. ARM systems are not vulnerable. Note that Nessus has checked the changeset versions based on the...

[SECURITY] Fedora 27 Update: xen-4.9.1-4.fc27

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

The vulnerability of Xen hypervisors arises from errors in the permission copying process, which allow a violator to trigger a service failure, increase their privileges, or disclose sensitive information.

The vulnerability of Xen hypervisors is related to errors in the permission copying process. Exploiting this vulnerability can allow a malicious actor to cause service failures, increase their privileges, or expose sensitive information...

ALPINE-CVE-2017-17563

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service host OS crash or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode...

[SECURITY] Fedora 25 Update: xen-4.7.4-1.fc25

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

[SECURITY] Fedora 27 Update: xen-4.9.1-2.fc27

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

Xen Hypervisor Infinite Loop Guest-to-Host DoS (XSA-246)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by an infinite loop guest-to-host denial of service vulnerability. This issue only affects x86 systems that have 2MiB or 1GiB HAP pages enabled. ARM systems are not affected. x86 PV VMs can...

Xen Hypervisor Guest-to-Host Privilege Escalation (XSA-247)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a guest-to-host privilege escalation vulnerability. This issue only affects HVM guests. Note that Nessus has checked the changeset versions based on the xen.git change log. Nessus did not...

Xen PoD P2M Error Mishandling Vulnerability

Xen is an open source virtual machine monitor product developed at the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in X...

DEBIAN-CVE-2017-17045

An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to gain privileges on the host OS, obtain sensitive information, or cause a denial of service BUG and host OS crash by leveraging the mishandling of Populate on Demand PoD Physical-to-Machine P2M errors...