Moderate: Red Hat Security Advisory: virt:8.2 and virt-devel:8.2 security update

An update for the virt:8.2 and virt-devel:8.2 modules is now available for Advanced Virtualization for RHEL 8.2.1. 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,...

hw: vt-d related privilege escalation

A flaw was found in Intel® VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is...

Important: Red Hat Security Advisory: RHV-H security update (redhat-virtualization-host) 4.3.16

An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. 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...

RHEL 7 : RHV-H security update (redhat-virtualization-host) 4.3.16 (Important) (RHSA-2021:2519)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2519 advisory. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host...

RHEL 8 : Red Hat Virtualization Host security update [ovirt-4.4.6] (Important) (RHSA-2021:2522)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:2522 advisory. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host,...

Information Disclosure Vulnerability in Extremecom EWEBS Application Virtualization System

EWEBS application virtualization system is an application virtualization system independently developed by Xi'an Newsoft Information Technology Co. EWEBS application virtualization system has an information leakage vulnerability that can be exploited by attackers to obtain sensitive information...

Huawei eCNS280_TD Resource Management Error Vulnerability

Huawei eCNS280TD is the core network equipment of Huawei's wireless broadband trunking system in China. Based on Network Functions Virtualization NFV and cloud-based architecture design, it provides network functions of traditional core networks, but also provides capacity configurations for each...

TLB Poisoning Attacks on AMD Secure Encrypted Virtualization (SEV)

Bulletin ID: AMD-SB-1023 Potential Impact: Loss of Integrity, Confidentiality and Availability Summary A malicious hypervisor HV along with an unprivileged process controlled by an attacker and executing in a guest VM, may maliciously control the process of flushing the Translation Lookaside Buff...

CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

CVE-2021-28687

HVM soft-reset crashes toolstack libxl requires all data structures passed across its public interface to be initialized before use and disposed of afterwards by calling a specific set of functions. Many internal data structures also require this initialize / dispose discipline, but not all of...

CVE-2021-28689

x86: Speculative vulnerabilities with bare non-shim 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to...

AMD 多款产品安全漏洞

AMD Platform Security Processor and others are products of AMD Corporation.AMD Platform Security Processor is a security processor.AMD Secure Encrypted Virtualization is an application software.AMD System Management Unit SMU is a system management unit. A security vulnerability exists in several...

Are Virtual Machines the New Gold for Cyber Criminals?

ARCHIVED STORY Are Virtual Machines the New Gold for Cyber Criminals? ATR Operational Intelligence Team · JUN 10, 2021 Introduction Virtualization technology has been an IT cornerstone for organization for years now. It revolutionized the way organizations can scale up IT systems in a heartbeat,...

Are Virtual Machines the New Gold for Cyber Criminals?

ARCHIVED STORY Are Virtual Machines the New Gold for Cyber Criminals? ATR Operational Intelligence Team · JUN 10, 2021 Introduction Virtualization technology has been an IT cornerstone for organization for years now. It revolutionized the way organizations can scale up IT systems in a heartbeat,...

PT-2024-11238 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.13.0-rc5-syzkaller Description: The vulnerability is related to the KVM Kernel-based Virtual Machine component of the Linux kernel. It occurs when the MMU Memory Management Unit context is not properly reset...

ALPINE-CVE-2020-24489

Incomplete cleanup in some IntelR VT-d products may allow an authenticated user to potentially enable escalation of privilege via local access...

USN-4985-1 intel-microcode vulnerabilities

It was discovered that some Intel processors may not properly invalidate cache entries used by Intel Virtualization Technology for Directed I/O VT-d. This may allow a local user to perform a privilege escalation attack. CVE-2020-24489 Joseph Nuzman discovered that some Intel processors may not...

hw: vt-d related privilege escalation

A flaw was found in Intel® VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is...

hw: vt-d related privilege escalation

A flaw was found in Intel® VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is...

hw: vt-d related privilege escalation

A flaw was found in Intel® VT-d products. Entries from the context cache on some types of context cache invalidations may not be properly invalidated which may allow an authenticated user to potentially enable escalation of privilege via local access. The highest threat from this vulnerability is...