5611 matches found
Moderate: Red Hat Security Advisory: rhev 3.2 - vdsm security and bug fix update
Updated vdsm packages that fix one security issue and various bugs are now available. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available from the C...
[SECURITY] [DSA 2666-1] xen security update
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2666-1 [email protected] http://www.debian.org/security/ Salvatore Bonaccorso May 12, 2013 http://www.debian.org/security/faq -...
Hypervisor crash due to missing exception recovery on XSETBV
ISSUE DESCRIPTION Processors do certain validity checks on the register values passed to XSETBV. For the PV emulation path for that instruction the hypervisor code didn't check for certain invalid bit combinations, thus exposing itself to a fault occurring when invoking that instruction on behalf...
Hypervisor crash due to missing exception recovery on XRSTOR
ISSUE DESCRIPTION Processors do certain validity checks on the data passed to XRSTOR. While the hypervisor controls the placement of that memory block, it doesn't restrict the contents in any way. Thus the hypervisor exposes itself to a fault occurring on XRSTOR. Other than for FXRSTOR, which...
guest denial of service on syscall/sysenter exception generation
ISSUE DESCRIPTION When guest user code running inside a Xen guest operating system attempts to execute a syscall or sysenter instruction, but when the guest operating system has not registered a handler for that instruction, a General Protection Fault may need to be injected into the guest. It ha...
64-bit PV guest privilege escalation vulnerability
ISSUE DESCRIPTION Rafal Wojtczuk has discovered a vulnerability which can allow a 64-bit PV guest kernel running on a 64-bit hypervisor to escalate privileges to that of the host by arranging for a system call to return via sysret to a non-canonical RIP. Intel CPUs deliver the resulting exception...
Cisco Nexus 1000V ESXi Hypervisor Denial of Service Vulnerability
A vulnerability in the Cisco Nexus 1000V Virtual Ethernet Module VEM kernel driver for VMware ESXi could allow an unauthenticated, remote attacker to cause the ESXi hypervisor to crash, resulting in a purple screen of death PSOD. The vulnerability is due to insufficient validation of STUN protoco...
[SECURITY] Fedora 19 Update: xen-4.2.2-5.fc19
This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...
[SECURITY] Fedora 18 Update: xen-4.2.2-5.fc18
This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...
[SECURITY] Fedora 17 Update: xen-4.1.5-4.fc17
This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor...
Fedora Update for xen FEDORA-2013-8590
Check for the Version of xen OpenVAS Vulnerability Test Fedora Update for xen FEDORA-2013-8590 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms of t...
Fedora Update for xen FEDORA-2013-8571
Check for the Version of xen OpenVAS Vulnerability Test Fedora Update for xen FEDORA-2013-8571 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms of t...
RedHat Update for kernel RHSA-2013:0847-01
Check for the Version of kernel OpenVAS Vulnerability Test RedHat Update for kernel RHSA-2013:0847-01 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the ter...
Scientific Linux Security Update : kernel on SL5.x i386/x86_64 (20130521)
This update fixes the following security issue : - A flaw was found in the way the Xen hypervisor AMD IOMMU driver handled interrupt remapping entries. By default, a single interrupt remapping table is used, and old interrupt remapping entries are not cleared, potentially allowing a privileged...
CentOS Update for kernel CESA-2013:0847 centos5
The remote host is missing an update for the SPDX-FileCopyrightText: 2013 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...
kernel security update
CentOS Errata and Security Advisory CESA-2013:0847 Updated kernel packages that fix one security issue and multiple bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring...
Moderate: Red Hat Security Advisory: kernel security and bug fix update
Updated kernel packages that fix one security issue and multiple bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...
CVE-2013-1964
Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service host crash, obtain sensitive information, or possibly have other impacts via unspecified vectors...
Fedora Update for xen FEDORA-2013-7426
Check for the Version of xen OpenVAS Vulnerability Test Fedora Update for xen FEDORA-2013-7426 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms of t...
Fedora Update for xen FEDORA-2013-7432
Check for the Version of xen OpenVAS Vulnerability Test Fedora Update for xen FEDORA-2013-7432 Authors: System Generated Check Copyright: Copyright c 2013 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms of t...