CVE-2015-2045

The HYPERVISORxenversion hypercall in Xen 3.2.x through 4.5.x does not properly initialize data structures, which allows local guest users to obtain sensitive information via unspecified vectors...

CVE-2015-2045

The HYPERVISORxenversion hypercall in Xen 3.2.x through 4.5.x does not properly initialize data structures, which allows local guest users to obtain sensitive information via unspecified vectors...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

Non-standard PCI device functionality may render pass-through insecure

ISSUE DESCRIPTION Devices with capabilities or defects that are undocumented or that virtualization software is unaware of may allow guests to control parts of the host that they shouldn't be in control of. Here are some examples of the kind of problem: While XSA-120 deals with standard PCI confi...

Hypervisor memory corruption due to x86 emulator flaw

ISSUE DESCRIPTION Instructions with register operands ignore eventual segment overrides encoded for them. Due to an insufficiently conditional assignment such a bogus segment override can, however, corrupt a pointer used subsequently to store the result of the instruction. IMPACT A malicious gues...

xen-kernel -- Hypervisor memory corruption due to x86 emulator flaw

The Xen Project reports: Instructions with register operands ignore eventual segment overrides encoded for them. Due to an insufficiently conditional assignment such a bogus segment override can, however, corrupt a pointer used subsequently to store the result of the instruction. A malicious gues...

SUSE-SU-2015:0613-1 Security update for Xen

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. -...

PT-2015-5566

Name of the Vulnerable Software and Affected Versions Xen versions 3.2.x through 4.5.x Description The issue allows local guest users to obtain sensitive information due to improper initialization of data structures by the HYPERVISOR xen version hypercall. Recommendations For versions 3.2.x throu...

RHEL 7 : qemu-kvm-rhev (RHSA-2015:0624)

Updated qemu-kvm-rhev packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Virtualization Hypervisor 7. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring Syste...

RedHat Update for virt-who RHSA-2015:0430-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Information leak through version information hypercall

ISSUE DESCRIPTION The code handling certain sub-operations of the HYPERVISORxenversion hypercall fails to fully initialize all fields of structures subsequently copied back to guest memory. Due to this hypervisor stack contents are copied into the destination of the operation, thus becoming visib...

Information leak via internal x86 system device emulation

ISSUE DESCRIPTION Emulation routines in the hypervisor dealing with certain system devices check whether the access size by the guest is a supported one. When the access size is unsupported these routines failed to set the data to be returned to the guest for read accesses, so that hypervisor sta...

Moderate: Red Hat Security Advisory: virt-who security, bug fix, and enhancement update

An updated virt-who package that fixes one security issue, several bugs, and adds various enhancements is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which...

virt-who: plaintext hypervisor passwords in world-readable /etc/sysconfig/virt-who configuration file

It was discovered that the /etc/sysconfig/virt-who configuration file, which may contain hypervisor authentication credentials, was world-readable. A local user could use this flaw to obtain authentication credentials from this file...

xen-kernel -- Information leak through version information hypercall

The Xen Project reports: The code handling certain sub-operations of the HYPERVISORxenversion hypercall fails to fully initialize all fields of structures subsequently copied back to guest memory. Due to this hypervisor stack contents are copied into the destination of the operation, thus becomin...

xen-kernel -- Information leak via internal x86 system device emulation

The Xen Project reports: Emulation routines in the hypervisor dealing with certain system devices check whether the access size by the guest is a supported one. When the access size is unsupported these routines failed to set the data to be returned to the guest for read accesses, so that...

Microsoft Virtual PC Hypervisor Virtual Machine Monitor Security Bypass Vulnerability

Windows Virtual PC is the latest Microsoft virtualization technology. A security bypass vulnerability exists in Microsoft Virtual PC Hypervisor Virtual Machine Monitor, which can be exploited by an attacker to bypass memory protection mechanisms and obtain sensitive information...

DEBIAN-CVE-2015-1563

The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged...

RHEL 6 : rhev-hypervisor6 (RHSA-2015:0126)

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2015:0126 advisory. The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization...

Critical: Red Hat Security Advisory: rhev-hypervisor6 security update

An updated rhev-hypervisor6 package that fixes multiple security issues is now available for Red Hat Enterprise Virtualization 3. Red Hat Product Security has rated this update as having Critical security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...