kvm: emulator privilege escalation IOPL/CPL level check

The x86 emulator in KVM 83, when a guest is configured for Symmetric Multiprocessing SMP, does not use the Current Privilege Level CPL and I/O Privilege Level IOPL to restrict instruction execution, which allows guest OS users to cause a denial of service guest OS crash or gain privileges on the...

PT-2010-2100 · Linux +1 · Kvm +1

Name of the Vulnerable Software and Affected Versions: KVM version 83 Description: The issue arises from the pit ioport read function in the Programmable Interval Timer PIT emulation, specifically in the i8254.c file. This function does not properly utilize the pit state data structure, allowing...

Linux Kernel 2.6.x - KVM pit_ioport_read() Local Denial of Service

Linux Kernel 2.6.x - KVM pitioportread Local Denial of Service source: https://www.securityfocus.com/bid/38038/info The Linux kernel is prone to a local denial-of-service vulnerability that affects the Kernel-based Virtual Machine KVM. Attackers with local access to a guest operating system can...

Important: Red Hat Security Advisory: rhev-hypervisor security and bug fix update

An updated rhev-hypervisor package that fixes security issues and several bugs is now available. This update has been rated as having important security impact by the Red Hat Security Response Team. The rhev-hypervisor package provides a Red Hat Enterprise Virtualization RHEV Hypervisor ISO disk...

Fedora Update for kvm FEDORA-2008-1973

Check for the Version of kvm OpenVAS Vulnerability Test Fedora Update for kvm FEDORA-2008-1973 Authors: System Generated Check Copyright: Copyright c 2009 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms of t...