Linux Distros Unpatched Vulnerability : CVE-2020-29566

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device...

GLSA-202107-30 : Xen: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202107-30 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...

SUSE: Security Advisory (SUSE-SU-2020:14578-1)

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-2020:3881-1)

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-2020:3915-1)

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-2020:3880-1)

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-2020:3914-1)

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-2020:3945-1)

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...

openSUSE Security Update : xen (openSUSE-2020-2313)

This update for xen fixes the following issues : - CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. - CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

openSUSE Security Update : xen (openSUSE-2020-2331)

This update for xen fixes the following issues : - CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. - CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

SUSE SLES12 Security Update : xen (SUSE-SU-2020:3945-1)

This update for xen fixes the following issues : CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

Fedora 32 : xen (2020-df772b417b)

xenstore watch notifications lacking permission checks XSA-115, CVE-2020-29480 1908091 Xenstore: new domains inheriting existing node permissions XSA-322, CVE-2020-29481 1908095 Xenstore: wrong path length check XSA-323, CVE-2020-29482 1908096 Xenstore: guests can crash xenstored via watchs...

Fedora: Security Advisory for xen (FEDORA-2020-64859a826b)

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...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:3915-1)

This update for xen fixes the following issues : CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests bsc117949 XSA-115. CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions bsc1179498...

CVE-2020-29566

An issue was discovered in Xen through 4.14.x. When they require assistance from the device model, x86 HVM guests must be temporarily de-scheduled. The device model will signal Xen when it has completed its operation, via an event channel, so that the relevant vCPU is rescheduled. If the device...

CVE-2020-29566

CVE-2020-29566 affects Xen 4.14.x and earlier on x86, where a device model operation could be signalled as completed before completion, causing a re-schedule loop and potential stack overflow. This could enable a malicious or buggy stubdomain serving an HVM guest to crash the Xen host, resulting ...