SUSE: Security Advisory (SUSE-SU-2020:2791-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2020:2790-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2020:2786-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

SUSE: Security Advisory (SUSE-SU-2020:2788-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Xen missing error handling in MSR_MISC_ENABLE DoS (XSA-333)

A denial of service DoS vulnerability exists in Xen server due to missing error handling in MISCENABLE MSR. A malicious PV guest administrator can trigger Xen to crash, resulting in a host DoS. Note that Nessus has not tested for this issue but has instead relied only on the application's...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:2791-1)

This update for xen fixes the following issues : CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown bsc1176339,XSA-333 CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path bsc1176341,XSA-334 CVE-2020-25604: Fixed a...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:2788-1)

This update for xen fixes the following issues : CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown bsc1176339,XSA-333 CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path bsc1176341,XSA-334 CVE-2020-25604: Fixed a...

GLSA-202011-06 : Xen: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202011-06 Xen: Multiple vulnerabilities Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers referenced below for details. Impact : Please review the referenced CVE identifiers for details...

Fedora 31 : xen (2020-d46fe34349)

x86 pv: Crash when handling guest access to MSRMISCENABLE XSA-333, CVE-2020-25602 1881619 Missing unlock in XENMEMacquireresource error path XSA-334, CVE-2020-25598 1881616 race when migrating timers between x86 HVM vCPU-s XSA-336, CVE-2020-25604 1881618 PCI passthrough code reading back hardware...

Debian DSA-4769-1 : xen - security update

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, guest-to-host privilege escalation or information leaks. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debian Security Adviso...

openSUSE Security Update : xen (openSUSE-2020-1608)

This update for xen fixes the following issues : - CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown bsc1176339,XSA-333 - CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path bsc1176341,XSA-334 - CVE-2020-25604: Fix...

openSUSE: Security Advisory for xen (openSUSE-SU-2020:1608-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Security update for xen (important)

openSUSE Security Update: Security update for xen Announcement ID: openSUSE-SU-2020:1608-1 Rating: important References: 1027519 1176339 1176341 1176343 1176344 1176345 1176346 1176347 1176348 1176349 1176350 Cross-References: CVE-2020-25595 CVE-2020-25596 CVE-2020-25597 CVE-2020-25598...

[SECURITY] [DSA 4769-1] xen security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4769-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 02, 2020 https://www.debian.org/security/faq -...

SUSE-SU-2020:2791-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown bsc1176339,XSA-333 - CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path bsc1176341,XSA-334 - CVE-2020-25604: Fixe...

SUSE-SU-2020:2790-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown bsc1176339,XSA-333 - CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path bsc1176341,XSA-334 - CVE-2020-25604: Fixe...

SUSE-SU-2020:2786-1 Security update for xen

This update for xen fixes the following issues: - CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSRMISCENABLE was thrown bsc1176339,XSA-333 - CVE-2020-25598: Added a missing unlock in XENMEMacquireresource error path bsc1176341,XSA-334 - CVE-2020-25604: Fixe...

Fedora: Security Advisory for xen (FEDORA-2020-306b84fd07)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

CVE-2020-25602

CVE-2020-25602 : Xen up to 4.14.x contains a vulnerability where an x86 PV guest accessing the MISC_ENABLE MSR (0x1a0) triggers a host crash due to missing #GP fault handling when reading this Intel-specific MSR. The vulnerability can crash the host Xen instance, enabling a local Denial of Servic...

Citrix Hypervisor Security Update

Description of Problem Several security issues have been identified in Citrix Hypervisor formerly Citrix XenServer that may allow privileged code in a guest VM to cause the host to crash or become unresponsive. In addition, unprivileged code in a PV guest VM may be able to cause that guest VM to...