CVE-2021-26311

CVE-2021-26311 concerns AMD SEV/SEV-ES where memory can be rearranged in the guest address space without attestation detection, potentially enabling arbitrary code execution in a guest VM if a malicious administrator with server-hypervisor access acts. Documents cite the vulnerability in SEV/SEV-...

CVE-2021-26311 AMD Secure Encrypted Virtualization

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to...

CVE-2020-12967 AMD Secure Encrypted Virtualization

The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor...

CVE-2020-12967: Improper Neutralization of Special Elements used in a Command

The lack of nested page table protection in the AMD SEV/SEV-ES feature could potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor...

PT-2021-9518

Name of the Vulnerable Software and Affected Versions AMD SEV/SEV-ES feature affected versions not specified Description The issue is related to the lack of nested page table protection in the AMD SEV/SEV-ES feature. This could potentially lead to arbitrary code execution within the guest VM if a...

CVE-2021-26311: Improper Neutralization of Special Elements used in a Command

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to...

Hotfix XS82E020 - For Citrix Hypervisor 8.2

Who Should Install This Hotfix? This is a hotfix for customers running Citrix Hypervisor 8.2. Information About this Hotfix Component| Details ---|--- Prerequisite| None Post-update tasks| Restart the XAPI Toolstack Content live patchable| No Baselines for Live Patch| N/A Revision History|...

How to upgrade NVIDIA drivers on Citrix Hypervisor

How to upgrade NVIDIA drivers on Citrix Hypervisor...

CVE-2021-26311

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to...

AMD Secure Encrypted Virtualization

Bulletin ID: AMD-SB-1004 Potential Impact: Arbitrary Code Execution Severity: Medium Summary AMD is aware of 2 research papers related to AMD’s Secure Encrypted Virtualization SEV which will be presented at this year’s 15th IEEE Workshop on Offensive Technologies WOOT’21. In the paper titled...

2019.2 IPU – Intel® Processor Machine Check Error Advisory

Summary: A potential security vulnerability in some Intel® Processors may allow denial of service. Intel has coordinated with OS and hypervisor vendors to provide updates which will mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2018-12207 Description: Improper...

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Multiple Vulnerabilities (NS-SA-2021-0025)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by multiple vulnerabilities: - An issue was discovered in the Linux kernel before 5.2.3. There is a NULL pointer dereference caused by a malicious USB device in the...

Parallels Desktop Elevation of Privilege Vulnerability

Parallels Desktop is a virtual machine software that runs on Mac computers. An elevation of privilege vulnerability exists in the e1000e virtual appliance in Parallels Desktop version 16.1.1-49141. The vulnerability stems from a lack of proper locking when performing operations on objects. An...

Parallels Desktop Toolgate Directory Traversal Arbitrary File Deletion Vulnerability

Parallels Desktop is a virtual machine software that runs on Mac computers. A security vulnerability exists in the Toolgate component in Parallels Desktop version 16.1.1-49141. The vulnerability stems from failure to properly validate a user-supplied path before using it in a file operation. An...

CVE-2021-31432

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw...

CVE-2021-31422

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.1-49141. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists withi...

CVE-2021-31417

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw...

CVE-2021-31423

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw...

CVE-2021-31427

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw...

CVE-2021-31424

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within...