USN-3125-1: QEMU vulnerabilities

Zhenhao Hong discovered that QEMU incorrectly handled the Virtio module. A privileged attacker inside the guest could use this issue to cause QEMU to consume resources, resulting in a denial of service. CVE-2016-5403 Li Qiang discovered that QEMU incorrectly handled VMWARE VMXNET3 network card...

RedHat Update for qemu-kvm RHSA-2016:2585-02

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

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

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

qemu-kvm: Out-of-bounds read when creating weird vga screen surface

An integer overflow flaw and an out-of-bounds read flaw were found in the way QEMU's VGA emulator set certain VGA registers while in VBE mode. A privileged guest user could use this flaw to crash the QEMU process instance...

FreeBSD : FreeBSD -- bhyve - privilege escalation vulnerability (a479a725-9adb-11e6-a298-14dae9d210b8)

An unchecked array reference in the VGA device emulation code could potentially allow guests access to the heap of the bhyve process. Since the bhyve process is running as root, this may allow guests to obtain full control of the hosts they are running on. Impact : For bhyve virtual machines with...

FreeBSD -- bhyve - privilege escalation vulnerability

Problem Description: An unchecked array reference in the VGA device emulation code could potentially allow guests access to the heap of the bhyve process. Since the bhyve process is running as root, this may allow guests to obtain full control of the hosts they are running on. Impact: For bhyve...

qemu: incorrect banked access bounds checking in vga module

An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions VBE support performed read/write operations using I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU...

openSUSE Security Update : virtualbox (openSUSE-2016-1087)

Virtualbox was updated to 5.0.26 to fix the following issues : This update fixes various security issues. - CVE-2016-3612: An unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox before 5.0.22 allowed remote attackers to affect confidentiality via...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1703-1)

qemu was updated to fix 29 security issues. These security issues were fixed : - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avo...

USN-3047-1: QEMU vulnerabilities

Li Qiang discovered that QEMU incorrectly handled 53C9X Fast SCSI controller emulation. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default installation, when QEMU is...

Debian DLA-571-1 : xen security update (Bunker Buster)

Multiple vulnerabilities have been discovered in the Xen hypervisor. The Common Vulnerabilities and Exposures project identifies the following problems : CVE-2014-3672 XSA-180 Andrew Sorensen discovered that a HVM domain can exhaust the hosts disk space by filling up the log file. CVE-2016-3158,...

Fedora 22 : xen (2016-8fd9019541)

in systemd only try to load kernel modules that are in Fedora 1291089 x86 software guest page walk PS bit handling flaw XSA-176, CVE-2016-4480 1332657 ---- create link to /usr/bin/qemu-system-i386 from /usr/lib/xen/bin for back compatibility and for virt-manager, cleaner fix for XSA-179 on...

Security update for qemu (important)

qemu was updated to fix 29 security issues. These security issues were fixed: - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avoi...

FreeBSD : xen-tools -- QEMU: Banked access to VGA memory (VBE) uses inconsistent bounds checks (e6ce6f50-4212-11e6-942d-bc5ff45d0f28)

The Xen Project reports : Qemu VGA module allows banked access to video memory using the window at 0xa00000 and it supports different access modes with different address calculations. Qemu VGA module allows guest to edit certain registers in 'vbe' and 'vga' modes. A privileged guest user could us...

[SECURITY] [DLA 539-1] qemu-kvm security update

Package : qemu-kvm Version : 1.1.2+dfsg-6+deb7u13 CVE ID : CVE-2016-3710 CVE-2016-3712 Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution for Linux hosts on x86 hardware with x86 guests. CVE-2016-3710 Wei Xiao and Qinghao Tang of 360.cn Inc discovered an...

SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1)

qemu was updated to fix 37 security issues. These security issues were fixed : - CVE-2016-4439: Avoid OOB access in 53C9X emulation bsc980711 - CVE-2016-4441: Avoid OOB access in 53C9X emulation bsc980723 - CVE-2016-4952: Avoid OOB access in Vmware PV SCSI emulation bsc981266 - CVE-2015-8817: Avo...

RHEL 6 : qemu-kvm-rhev (RHSA-2016:1224)

An update for qemu-kvm-rhev is now available for RHEV-H and Agents for RHEL-6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

qemu: multiple issues

CVE-2015-8558 denial of service An infinite-loop issue was found in the QEMU emulator built with USB EHCI emulation support. The flaw occurred during communication between the host controller interfaceEHCI and a respective device driver. These two communicate using an isochronous transfer...

qemu-arch-extra: multiple issues

CVE-2015-8558 denial of service An infinite-loop issue was found in the QEMU emulator built with USB EHCI emulation support. The flaw occurred during communication between the host controller interfaceEHCI and a respective device driver. These two communicate using an isochronous transfer...

QEMU 'vmsvga_fifo_run' function denial of service vulnerability

QEMU is a suite of analog processor software. A security vulnerability in the 'vmsvgafiforun' function in QEMU's hw/display/vmwarevga.c file allows a local attacker to crash the QEMU process with a VGA command...