UBUNTU-CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

DEBIAN-CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

DEBIAN-CVE-2018-10471

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service out-of-bounds zero write and hypervisor crash via unexpected INT 80 processing, because of an incorrect fix for CVE-2017-5754...

Debian: Security Advisory (DLA-1300-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] Fedora 27 Update: xen-4.9.1-5.fc27

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

Xen arch_domain_create() Function Local APIC Assumption NULL Pointer Dereference Guest-to-host DoS (XSA-256)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability. 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 we...

Xen gnttab_map_frame() Function Missing Mapping Check Upgrade Guest-to-host DoS (XSA-255)

According to its self-reported version number, the Xen hypervisor installed on the remote host is affected by a denial of service vulnerability. 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 we...

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...

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...

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...

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 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...

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...

[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...