Xenstore: guests can disturb domain cleanup

ISSUE DESCRIPTION Xenstored and guests communicate via a shared memory page using a specific protocol. When a guest violates this protocol, xenstored will drop the connection to that guest. Unfortunately this is done by just removing the guest from xenstored's internal management, resulting in th...

Vault Auth Groups Not Removed In Certain Circumstances

Summary A vulnerability was identified in Vault and Vault Enterprise “Vault” such that, under certain circumstances, an Entity’s Group membership may inadvertently include external Groups the Entity no longer has permissions to. This vulnerability, CVE-2020-10660, affects Vault and Vault Enterpri...

insufficient cache write-back under VT-d

ISSUE DESCRIPTION When page tables are shared between IOMMU and CPU, changes to them require flushing of both TLBs. Furthermore, IOMMUs may be non-coherent, and hence prior to flushing IOMMU TLBs CPU cached also needs writing back to memory after changes were made. Such writing back of cached dat...

Arbitrary Code Execution

kvm is vulnerable to arbirary code execution. Gust OS users are able to read and write arbitrary QEMU memory by modifying the address used by Cairo for memory mappings...

Update Rollup 11 for System Center 2012 R2 Operations Manager

Update Rollup 11 for System Center 2012 R2 Operations Manager Introduction This article describes the issues that are fixed in Update Rollup 11 for Microsoft System Center 2012 R2 Operations Manager. It also contains the installation instructions for this update. Issues that are fixed in this...

CVE-2017-18676

An issue was discovered on Samsung mobile devices with N7.0 Qualcomm chipsets software. There is an RKP kernel protection bypass in which unwanted memory mappings may occur because of a lack of MSR trapping. The Samsung ID is SVE-2016-7901 April 2017...

CVE-2017-18676

An issue was discovered on Samsung mobile devices with N7.0 Qualcomm chipsets software. There is an RKP kernel protection bypass in which unwanted memory mappings may occur because of a lack of MSR trapping. The Samsung ID is SVE-2016-7901 April 2017...

Huawei EulerOS: Security Advisory for posrgresql (EulerOS-SA-2017-1216)

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...

nopCommerce Cross-Site Scripting Vulnerability

nopCommerce is a set of open source general e-commerce platform. nopCommerce 4.20 and earlier versions of PresentationNop.WebAreasAdminControllersNewsController.cs and PresentationNop. WebAreasAdminControllersBlogController.cs components have a cross-site scripting vulnerability in the...

The vulnerability of the pg_user_mappings component in the PostgreSQL database management system allows a hacker to gain access to the login information of a third-party server.

The vulnerability of the pgusermappings component in the PostgreSQL database management system is related to insufficient protection of registration data. Exploiting this vulnerability can allow a perpetrator with USAGE privileges to remotely access the login credentials of a third-party server...

CVE-2019-12996

CVE-2019-12996 affects Mendix 7.23.5 and earlier. The issue arises in XML import mappings where DOCTYPE declarations in the XML input can be processed, described as potentially unsafe. The connected documents confirm the affected version range but do not provide concrete exploit details, affected...

Linux: No grant table and foreign mapping limits

ISSUE DESCRIPTION Virtual device backends and device models running in domain 0, or other backend driver domains, need to be able to map guest memory either via grant mappings, or via the foreign mapping interface. Inside Xen, mapped grants are tracked by the maptrack structure. The size of this...

Ubuntu 18.04 LTS : Linux kernel vulnerability (USN-4031-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4031-1 advisory. It was discovered that the Linux kernel did not properly separate certain memory mappings when creating new userspace processes on 64-bit Power ppc64el systems. A...

USN-4031-1 linux, linux-hwe vulnerability

It was discovered that the Linux kernel did not properly separate certain memory mappings when creating new userspace processes on 64-bit Power ppc64el systems. A local attacker could use this to access memory contents or cause memory corruption of other processes on the system...

Debian DLA-1799-2 : linux security update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. This updated advisory text adds a note about the need to install new binary packages. CVE-2018-5995 ADLab of VenusTech discovered that the kernel logge...

USN-3982-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3982-1 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 for Ubuntu 14.04 LTS. Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas,...

Sensitive Information Disclosure

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues: A flaw was found in the way the Linux kernel's IPv6 implementation handled certain UDP packets when the UDP Fragmentation Offload UFO feature was enabled. A remot...

Linux kernel vfio-type1-DMA-Mappings Denial of Service Vulnerability

Linux kernel is an open source operating system. A security vulnerability in Linux kernel vfio-type1-DMA-Mappings allows local attackers to exploit the vulnerability to submit special requests that can crash the system...

Fedora 28 : xen (2019-bce6498890)

xen: various flaws 1685577 grant table transfer issues on large hosts XSA-284 race with pass-through device hotplug XSA-285 x86: stealpage violates pagestruct access discipline XSA-287 x86: Inconsistent PV IOMMU discipline XSA-288 missing preemption in x86 PV page table unvalidation XSA-290 x86/P...

Fedora 29 : xen (2018-2fde555d91)

insufficient TLB flushing / improper large page mappings with AMD IOMMUs XSA-275 1651665 resource accounting issues in x86 IOREQ server handling XSA-276 x86: incorrect error handling for guest p2m page removals XSA-277 x86: DoS from attempting to use INVPCID with a non-canonical addresses XSA-279...