CVE-2020-2732

A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest...

RHEL 8 : virt:8.1 and virt-devel:8.1 (RHSA-2020:0555)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:0555 advisory. The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM hypervisor in environments managed by...

Moderate: Red Hat Security Advisory: virt:8.1 and virt-devel:8.1 security update

An update for the virt:8.1 and virt-devel:8.1 modules is now available for Advanced Virtualization for RHEL 8.1.0. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

Mbed TLS -- Cache attack against RSA key import in SGX

Janos Follath reports: If Mbed TLS is running in an SGX enclave and the adversary has control of the main operating system, they can launch a side channel attack to recover the RSA private key when it is being imported. The attack only requires access to fine grained measurements to cache usage...

Citrix Director displays multiple Hypervisor health alerts

Background Citrix Director displays alerts on the dashboard and other high level views to monitor infrastructure. Alerts from various hypervisors including XenServer and vSphere, help monitor the hypervisor parameters and states. Starting with CVAD 2411, Citrix Director introduces bulk dismissal ...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5535)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5535 advisory. - KVM: x86: fix out-of-bounds write in KVMGETEMULATEDCPUID CVE-2019-19332 Paolo Bonzini Orabug: 30658695 CVE-2019-19332 - rtlwifi: Fix potential...

Important: Red Hat Bug Fix Advisory: Satellite 6.6.2 Async Bug Fix Update

Updated Satellite 6.6 packages that fix several bugs are now available for Red Hat Satellite. Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other clien...

The vulnerability of Xen hypervisors relates to the situation where an operation is performed outside the buffer boundaries of memory, allowing a malicious actor to cause a service failure.

The vulnerability of Xen hypervisors relates to the execution of operations beyond the buffer in memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. The cryptoreport function mishandles resource cleanup on error. A local attacker able to induce the error conditions could use this flaw to crash the system. The highest threat from this vulnerability is to system availability. CVE-2019-19062 ...

CVE-2019-19273

On Samsung mobile devices with O8.0 and P9.0 software and an Exynos 8895 chipset, RKP aka the Samsung Hypervisor EL2 implementation allows arbitrary memory write operations. The Samsung ID is SVE-2019-16265...

Code injection

On Samsung mobile devices with O8.0 and P9.0 software and an Exynos 8895 chipset, RKP aka the Samsung Hypervisor EL2 implementation allows arbitrary memory write operations. The Samsung ID is SVE-2019-16265...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel. The cryptoreport function mishandles resource cleanup on error. A local attacker able to induce the error conditions could use this flaw to crash the system. The highest threat from this vulnerability is to system availability. CVE-2019-19062 ...

CVE-2014-4859

Integer overflow in the Drive Execution Environment DXE phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data...

[SECURITY] Fedora 30 Update: xen-4.11.3-3.fc30

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

Fedora: Security Advisory for xen (FEDORA-2020-2d9a75fadb)

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...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5528)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5528 advisory. 4.14.35-1902.10.4.1.el7uek - IB/mlx4: Fix use after free in RDMA CM disconnect code path Manjunath Patil Orabug: 30815818 - IB/mlx4: Fix leak in...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4258-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4258-1 advisory. It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not properly validate device metadata. A physically...

USN-4254-2: Linux kernel (Xenial HWE) vulnerabilities

USN-4254-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. It was discovered that the Linux kernel did not properly clear data structures on...

USN-4258-1: Linux kernel vulnerabilities

It was discovered that the Atheros 802.11ac wireless USB device driver in the Linux kernel did not properly validate device metadata. A physically proximate attacker could use this to cause a denial of service system crash. CVE-2019-15099 It was discovered that a race condition existed in the...

Ubuntu: Security Advisory (USN-4254-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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...