FreeBSD -- bhyve SVM guest escape

Problem Description: A number of AMD virtualization instructions operate on host physical addresses, are not subject to nested page table translation, and guest use of these instructions was not trapped. Impact: From kernel mode a malicious guest can write to arbitrary host memory with some...

FreeBSD-SA-20:29.bhyve_svm

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-20:29.bhyvesvm Security Advisory The FreeBSD Project Topic: bhyve SVM guest escape Category: core Module: bhyve Announced: 2020-09-15 Credits: Maxime Villard...

CVE-2020-1308

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

CVE-2020-1308

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

CVE-2020-1245

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data;...

CVE-2020-1245

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data;...

CVE-2020-1053

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

CVE-2020-1053

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

Privilege escalation

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

CVE-2020-1245: Undefined Security Weakness

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data;...

CVE-2020-1308: Undefined Security Weakness

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

CVE-2020-1053: Undefined Security Weakness

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

Microsoft Windows/Windows Server Elevation of Privilege Vulnerability (CNVD-2021-68749)

Microsoft Windows and Microsoft Windows Server are both products of Microsoft Corporation, an operating system for personal devices, and Microsoft Windows Server, a server operating system. An elevation of privilege vulnerability exists in Microsoft Windows/Windows Server, which stems from a...

Microsoft Windows/Windows Server Elevation of Privilege Vulnerability (CNVD-2021-68741)

Microsoft Windows and Microsoft Windows Server are both products of Microsoft Corporation, an operating system for personal devices, and Microsoft Windows Server, a server operating system. An elevation of privilege vulnerability exists in Microsoft Windows/Windows Server, which stems from a...

Microsoft Windows/Windows Server Elevation of Privilege Vulnerability (CNVD-2021-68750)

Microsoft Windows and Microsoft Windows Server are both products of Microsoft Corporation, an operating system for personal devices, and Microsoft Windows Server, a server operating system. An elevation of privilege vulnerability exists in Microsoft Windows/Windows Server, which stems from a...

Vulnerability Spotlight: Privilege escalation in Windows 10 CLFS driver

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a privilege escalation vulnerability in the Windows 10 Common Log File System. CLFS is a general-purpose logging service that can be used by software clients running in user-mo...

Win32k Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data;...

DirectX Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

DirectX Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with...

PT-2020-4042 · Microsoft · Windows +1

Name of the Vulnerable Software and Affected Versions: Windows affected versions not specified Description: The issue is related to errors in handling objects in memory by the DirectX component of the Windows operating system. This could allow an attacker to elevate their privileges using a...