CVE-2011-2512

The virtioqueuenotify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service guest crash and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed...

qemu-kvm security and bug fix update

qemu-kvm-0.12.1.2-2.160.el61.2 - kvm-virtio-guard-against-negative-vq-notifies.patch bz717403 - Resolves: bz717403 qemu-kvm: OOB memory access caused by negative vq notifies rhel-6.1.z qemu-kvm-0.12.1.2-2.160.el61 - kvm-Fix-phys-memory-client-pass-guest-physical-address-n.patch bz701771 -...

Debian DSA-2270-1 : qemu-kvm - programming error

It was discovered that incorrect sanitising of virtio queue commands in KVM, a solution for full virtualization on x86 hardware, could lead to denial of service or the execution of arbitrary code. The oldstable distribution lenny is not affected by this problem. %NASLMINLEVEL 70300 C Tenable...

[BSA-039] Security Update for qemu-kvm

Michael Tokarev uploaded new packages for qemu-kvm which fixed the following security issues: 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 the guest...

[SECURITY] [DSA 2270-1] qemu-kvm security update

------------------------------------------------------------------------- Debian Security Advisory DSA-2270-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff July 01, 2011 http://www.debian.org/security/faq -...

DSA-2270-1 qemu-kvm - programming error

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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-2011-1750

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...

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...

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

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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...