kvm: arch/x86/kvm/x86.c: reading uninitialized stack memory

arch/x86/kvm/x86.c in the Linux kernel before 2.6.36.2 does not initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via read operations on the /dev/kvm device...

CVE-2011-2212

Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service guest crash or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."...

Ubuntu Update for qemu-kvm USN-1145-1

Ubuntu Update for Linux kernel vulnerabilities USN-1145-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN11451.nasl 7964 2017-12-01 07:32:11Z santu $ Ubuntu Update for qemu-kvm USN-1145-1 Authors: System Generated Check Copyright: Copyright c 2011 Greenbone Networks GmbH, http://www.greenbone.net Thi...

Solaris Gather Virtual Environment Detection

This module attempts to determine whether the system is running inside of a virtual environment and if so, which one. This module supports detection of Solaris Zone, VMWare, VirtualBox, Xen, and QEMU/KVM. This module requires Metasploit: https://metasploit.com/download Current source:...

Debian DSA-2241-1 : qemu-kvm - implementation error

Nelson Elhage discovered that incorrect memory handling during the removal of ISA devices in KVM, a solution for full virtualization on x86 hardware, could lead to denial of service or the execution of arbitrary code. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and...

CVE-2011-1751

The pciejwrite function in hw/acpipiix4.c in the PIIX4 Power Management emulation in qemu-kvm does not check if a device is hotpluggable before unplugging the PCI-ISA bridge, which allows privileged guest users to cause a denial of service guest crash and possibly execute arbitrary code by sendin...

CVE-2011-1750

Multiple heap-based buffer overflows in the virtio-blk driver hw/virtio-blk.c in qemu-kvm 0.14.0 allow local guest users to cause a denial of service guest crash and possibly gain privileges via a 1 write request to the virtioblkhandlewrite function or 2 read request to the virtioblkhandleread...

qemu-kvm security, bug fix, and enhancement update

qemu-kvm-0.12.1.2-2.160.el6 - kvm-virtio-blk-fail-unaligned-requests.patch bz698910 - kvm-Ignore-pci-unplug-requests-for-unpluggable-devices.patch bz699789 - Resolves: bz698910 CVE-2011-1750 virtio-blk: heap buffer overflow caused by unaligned requests rhel-6.1 - Resolves: bz699789 CVE-2011-1751...

[SECURITY] [DSA 2241-1] qemu-kvm security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2241-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff May 24, 2011 http://www.debian.org/security/faq -...

KVM security vulnerabilities

DoS on guest system I/O processing...

SuSE 11.1 Security Update : kvm (SAT Patch Number 4574)

The following bugs have been fixed : - By causing a hot-unplug of the pci-isa bridge from within guests the qemu process could access already freed memory. A privileged user inside the guest could exploit that to crash the guest instance or potentially execute arbitrary code on the host...

[SECURITY] [DSA 2241-1] qemu-kvm security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2241-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff May 24, 2011 http://www.debian.org/security/faq -...

DSA-2241-1 qemu-kvm - implementation error

Bulletin has no description...

Red Hat Enterprise Linux 6.1 Released !

Red Hat Enterprise Linux 6.1 is now available at https://www.redhat.com/rhel/. Enhancements provide improvements in system reliability, scalability and performance, coupled with support for upcoming system hardware. This release also delivers patches and security updates, while maintaining...

virtio-blk: heap buffer overflow caused by unaligned requests

Multiple heap-based buffer overflows in the virtio-blk driver hw/virtio-blk.c in qemu-kvm 0.14.0 allow local guest users to cause a denial of service guest crash and possibly gain privileges via a 1 write request to the virtioblkhandlewrite function or 2 read request to the virtioblkhandleread...

Important: Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update

Updated qemu-kvm packages that fix two security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores,...

Debian Security Advisory DSA 2230-1 (qemu-kvm)

The remote host is missing an update to qemu-kvm announced via advisory DSA 2230-1. OpenVAS Vulnerability Test $Id: deb22301.nasl 6613 2017-07-07 12:08:40Z cfischer $ Description: Auto-generated from advisory DSA 2230-1 qemu-kvm Authors: Thomas Reinke Copyright: Copyright c 2011 E-Soft Inc...

Debian: Security Advisory (DSA-2230-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2011 Greenbone AG 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-only ifdescription...

[SECURITY] [DSA 2230-1] qemu-kvm security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2230-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff May 01, 2011 http://www.debian.org/security/faq -...

Debian DSA-2230-1 : qemu-kvm - several vulnerabilities

Two vulnerabilities have been discovered in KVM, a solution for full virtualization on x86 hardware : - CVE-2011-0011 Setting the VNC password to an empty string silently disabled all authentication. - CVE-2011-1750 The virtio-blk driver performed insufficient validation of read/write I/O from th...