Updated microcode packages fix security vulnerabilities

NOTE! This is a refresh of the 20191112 security update we released as MGASA-2019-0334. This update provides the Intel 20191115 microcode release that adds more microcode side fixes and mitigations for the Core Gen 6 to Core gen 10, some Xeon E series, adressing at least the following security...

Xen elevation of privilege vulnerability (CNVD-2020-07296)

Xen is an open source virtual machine monitor product. An elevation of privilege vulnerability exists in Xen 4.12. and earlier versions. The vulnerability stems from a race condition in page table upgrade and downgrade operations. An attacker could exploit this vulnerability to gain privileges on...

MGASA-2019-0333 Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 5.3.11 and fixes at least the following security issues: Insufficient access control in a subsystem for Intel R processor graphics may allow an authenticated user to potentially enable escalation of privilege via local access CVE-2019-0155. A...

Updated microcode packages fix security vulnerabilities

This update provides the Intel 20191112 microcode release that adds the microcode side fixes and mitigations for at least the following security issues: A flaw was found in the implementation of SGX around the access control of protected memory. A local attacker of a system with SGX enabled and a...

DEBIAN-CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

ALPINE-CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

Input validation

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

CVE-2018-12207

Improper invalidation for page table updates by a virtual guest operating system for multiple IntelR Processors may allow an authenticated user to potentially enable denial of service of the host system via local access...

Ubuntu 18.04 LTS : Linux kernel vulnerability and regression (USN-4184-2)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4184-2 advisory. USN-4184-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was...

Ubuntu 19.10 : Linux kernel vulnerability (USN-4183-2)

USN-4183-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. This update addresses the issue. We apologize for the inconvenience. Stephan van Schaik, Alyssa...

USN-4186-3 linux vulnerability

USN-4186-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. This update addresses the issue. We apologize for the inconvenience. Original advisory details:...

USN-4184-2 linux, linux-hwe, linux-oem-osp1 vulnerability and regression

USN-4184-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. Also, the update introduced a regression that broke KVM guests where extended page tables EPT are...

USN-4185-2 linux-azure vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4184-1: Linux kernel vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4184-1 linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.0, linux-hwe, linux-kvm, linux-oem-osp1, linux-oracle, linux-raspi2 vulnerabilities

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4185-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4185-1 advisory. Stephan van Schaik, Alyssa Milburn, Sebastian sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Mori...

Ubuntu: Security Advisory (USN-4186-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 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...

Ubuntu 19.10 : Linux kernel vulnerabilities (USN-4183-1)

Stephan van Schaik, Alyssa Milburn, Sebastian Osterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...