An EPYC escape: Case-study of a KVM breakout

Posted by Felix Wilhelm, Project Zero Introduction KVM for Kernel-based Virtual Machine is the de-facto standard hypervisor for Linux-based cloud environments. Outside of Azure, almost all large-scale cloud and hosting providers are running on top of KVM, turning it into one of the fundamental...

Important: Red Hat Security Advisory: dpdk security update

An update for dpdk is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Linux kernel denial of service vulnerability (CNVD-2021-24271)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel 5.11.8 and earlier versions, which originates in a user-space application that may cause a system crash. No details of the...

SAMSUNG Mobile devices 安全漏洞

Samsung SMR is a system firmware from Samsung South Korea. It provides storage for system applications. A security vulnerability exists in SMR MAR-2021 Release 1, which stems from an improper access control vulnerability that exposes sensitive kernel information to user space. No detailed...

Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel 5.11.8 and earlier versions, which originates in a user-space application that may cause a system crash. No details of the...

PT-2021-2511 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 5.11.8 Description: The issue is related to a user-tolerable buffer overflow in the RPA PCI Hotplug driver when writing a new device name to the driver from userspace, allowing userspace to write data to the kern...

DEBIAN-CVE-2021-28375

An issue was discovered in the Linux kernel through 5.11.6. fastrpcinternalinvoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308...

Low: Red Hat Security Advisory: virt:rhel and virt-devel:rhel security update

An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

Fedora: Security Advisory for dpdk (FEDORA-2021-fba11d37ee)

The remote host is missing an update for the Copyright C 2021 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...

[SECURITY] Fedora 33 Update: dpdk-20.11-1.fc33

The Data Plane Development Kit is a set of libraries and drivers for fast packet processing in the user space...

ALSA-2021:0711 Important: virt:rhel and virt-devel:rhel security update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...

CVE-2020-11282

Improper access control when using mmap with the kgsl driver with a special offset value that can be provided to map the memstore of the GPU to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile,...

Improper access control

Improper access control when using mmap with the kgsl driver with a special offset value that can be provided to map the memstore of the GPU to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile,...

CVE-2020-11282

Improper access control when using mmap with the kgsl driver with a special offset value that can be provided to map the memstore of the GPU to user space in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile,...

Moderate: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 and Red Hat Virtualization Engine 4.3. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which give...

Qualcomm Graphics Access Control Error Vulnerability

Qualcomm Graphics is a Qualcomm graphics support firmware for use on processors. A security vulnerability exists in Qualcomm Graphics that stems from the use of mmap, where the kgsl driver has a special offset value that can be supplied to map the GPU memstore to user space...

Race condition

Race condition occurs while calling user space ioctl from two different threads can results to use after free issue in video in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables...

ByteDance-HIDS - A Cloud-Native Host-Based Intrusion Detection Solution Project To Provide Next-Generation Threat Detection And Behavior Audition With Modern Architecture

ByteDance-HIDS is a Cloud-Native Host-Based Intrusion Detection solution project to provide next-generation Threat Detection and Behavior Audition with modern architecture. ByteDance-HIDS comprises three major components： ByteDance-HIDS Agent, co-worked with ByteDance-HIDS Driver , is the...

CVE-2020-27777

A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on top of PowerVM or KVM hypervisors pseries platform a root like local user could use this flaw to further increase their privileges to...

virt:rhel bug fix update

Kernel-based Virtual Machine KVM offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the...