MGASA-2020-0110 Updated kernel packages fix security vulnerability

This update is based on upstream 5.5.6 and fixes at least the following security vulnerability: A flaw was found in the way KVM hypervisor handled instruction emulation for the L2 guest when nested=1 virtualization is enabled. In the instruction emulation, the L2 guest could trick the L0 hypervis...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5543)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5543 advisory. - KVM: nVMX: Check IO instruction VM-exit conditions Oliver Upton Orabug: 30944739 CVE-2020-2732 - KVM: nVMX: Refactor IO bitmap checks into helper function...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5542)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5542 advisory. - KVM: nVMX: Check IO instruction VM-exit conditions Oliver Upton Orabug: 30847137 CVE-2020-2732 - KVM: nVMX: Refactor IO bitmap checks into helper function...

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5540)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2020-5540 advisory. - KVM: nVMX: Check IO instruction VM-exit conditions Oliver Upton Orabug: 30847136 CVE-2020-2732 - KVM: nVMX: Refactor IO bitmap checks into helper function...

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,...

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: 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 ...

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 ...

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...

USN-4254-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that a race condition existed in the Virtual Video Test Drive...

USN-4254-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that a race condition existed in the Virtual Video Test Drive...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4254-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4254-1 advisory. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacke...

Huawei EulerOS: Security Advisory for kvm (EulerOS-SA-2018-1269)

The remote host is missing an update for the Huawei EulerOS 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...

Huawei EulerOS: Security Advisory for kernel (EulerOS-SA-2019-1302)

The remote host is missing an update for the Huawei EulerOS 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...