kernel: x86-64: avoid sysret to non-canonical address

It was found that the Xen hypervisor implementation as shipped with Red Hat Enterprise Linux 5 did not properly restrict the syscall return addresses in the sysret return path to canonical addresses. An unprivileged user in a 64-bit para-virtualized guest, that is running on a 64-bit host that ha...

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

Updated kernel packages that fix two security issues and multiple bugs are now available for Red Hat Enterprise Linux 5.6 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores,...

[SECURITY] Fedora 17 Update: xen-4.1.2-17.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-2012-1375

Check for the Version of xen OpenVAS Vulnerability Test Fedora Update for xen FEDORA-2012-1375 Authors: System Generated Check Copyright: Copyright c 2012 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 xen RHSA-2012:0370-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 scriptxrefname:"URL",...

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

Updated kernel packages that fix several security issues and various bugs are now available for Red Hat Enterprise Linux 5.6 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores,...

[SECURITY] Fedora 16 Update: xen-4.1.2-6.fc16

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

[SECURITY] Fedora 15 Update: xen-4.1.2-6.fc15

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

Debian Security Advisory DSA 2337-1 (xen)

The remote host is missing an update to xen announced via advisory DSA 2337-1. OpenVAS Vulnerability Test $Id: deb23371.nasl 6612 2017-07-07 12:08:03Z cfischer $ Description: Auto-generated from advisory DSA 2337-1 xen Authors: Thomas Reinke Copyright: Copyright c 2012 E-Soft Inc...

kernel: xen: x86_emulate: fix SAHF emulation

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging HAP, allows guest users to cause a denial of service invalid pointer dereference and hypervisor crash via the SAHF instruction...

kernel security update

CentOS Errata and Security Advisory CESA-2011:1479 Updated kernel packages that fix multiple security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Commo...

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

Updated kernel packages that fix multiple security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores,...

kernel security update

CentOS Errata and Security Advisory CESA-2011:1386 Updated kernel packages that fix multiple security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Commo...

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

Updated kernel packages that fix multiple security issues, several bugs, and add one enhancement are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores,...

kernel security update

CentOS Errata and Security Advisory CESA-2011:1212 Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scorin...

Fedora Update for xen FEDORA-2011-10942

Check for the Version of xen OpenVAS Vulnerability Test Fedora Update for xen FEDORA-2011-10942 Authors: System Generated Check Copyright: Copyright c 2011 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms of...

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 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...

[SECURITY] Fedora 16 Update: xen-4.1.1-3.fc16

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

RedHat Update for kernel RHSA-2011:1163-01

Check for the Version of kernel OpenVAS Vulnerability Test RedHat Update for kernel RHSA-2011:1163-01 Authors: System Generated Check Copyright: Copyright c 2011 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the ter...

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

Updated kernel packages that fix two security issues and three bugs are now available for Red Hat Enterprise Linux 5.6 Extended Update Support. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which...