The vulnerability of the VMware ESXi hypervisor allows a malicious individual to escalate privileges or cause service failures.

Buffer overflow in the XPDM driver in VMware ESXi 4.0, 4.1, and 5.0; VMware ESX 4.0 and 4.1 allows users of the guest operating system to increase privileges or cause a service failure...

The vulnerability of the Linux operating system, which allows a malicious individual to trigger a service failure

The zero-division state allows the guest user to trigger a service failure on the host emergency termination of operations...

DLA-540-1 qemu - security update

Bulletin has no description...

DLA-539-1 qemu-kvm - security update

Bulletin has no description...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

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...

Scientific Linux Security Update : qemu-kvm on SL6.x i386/x86_64 (20160510)

Security Fixes : - 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 via I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 6.0 Juno for RHEL 7. 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,...

Debian Security Advisory DSA 3573-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a fast processor emulator. CVE-2016-3710 Wei Xiao and Qinghao Tang of 360.cn Inc discovered an out-of-bounds read and write flaw in the QEMU VGA module. A privileged guest user could use this flaw to execute arbitrary code on the host with the...

DSA-3573-1 qemu - security update

Bulletin has no description...

Fedora 22 : xen-4.5.2-8.fc22 (2016-f8121efdac)

x86: inconsistent cachability flags on guest mappings XSA-154, CVE-2016-2270 1309324 VMX: guest user mode may crash guest with non-canonical RIP XSA-170, CVE-2016-2271 1309323 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security...

FreeBSD : xen-kernel -- VMX: guest user mode may crash guest with non-canonical RIP (81f9d6a4-ddaf-11e5-b2bd-002590263bf5)

The Xen Project reports : VMX refuses attempts to enter a guest with an instruction pointer which doesn't satisfy certain requirements. In particular, the instruction pointer needs to be canonical when entering a guest currently in 64-bit mode. This is the case even if the VM entry information...

RedHat Update for qemu-kvm RHSA-2016:0083-01

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...

FreeBSD : qemu -- code execution on host machine (aea8d90e-b0c1-11e5-8d13-bc5ff45d0f28)

Petr Matousek of Red Hat Inc. reports : Due converting PIO to the new memory read/write api we no longer provide separate I/O region lenghts for read and write operations. As a result, reading from PIT Mode/Command register will end with accessing pit-channels with invalid index and potentially...

qemu -- denial of service vulnerability in MegaRAID SAS HBA emulation

Prasad J Pandit, Red Hat Product Security Team, reports: Qemu emulator built with the SCSI MegaRAID SAS HBA emulation support is vulnerable to a stack buffer overflow issue. It occurs while processing the SCSI controller's CTRLGETINFO command. A privileged guest user could use this flaw to crash...

Xen Debugging Exception Handling Denial of Service Vulnerability

Xen is a virtualization technology for the Linux kernel that allows multiple operating systems to run simultaneously. A security vulnerability exists in Xen's handling of debugging exceptions, which allows the guest user to trigger a denial-of-service attack...

CVE-2015-6855

hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WINREADNATIVEMAX command to an empty drive, which triggers a...

Updated qemu packages fixes security vulnerabilities

Qinghao Tang of QIHU 360 Inc. discovered an infinite loop issue in the NE2000 NIC emulation. A privileged guest user could use this flaw to mount a denial of service QEMU process crash. CVE-2015-5278 Qinghao Tang of QIHU 360 Inc. discovered a heap buffer overflow flaw in the NE2000 NIC emulation....

spice: insufficient validation of surface_id parameter can cause crash

A heap-based buffer overflow flaw was found in the way spice handled certain QXL commands related to the "surfaceid" parameter. A user in a guest could use this flaw to crash the host QEMU-KVM process or, possibly, execute arbitrary code with the privileges of the host QEMU-KVM process...

Spice 'surface_id' Heap Overflow Vulnerability

SPICE Simple Protocol for Independent Computing Environments is one of the three main technology components of Red Hat Enterprise Virtualized Desktop Edition, an adaptive remote submission protocol that delivers the exact same end-user experience as a physical desktop. A security vulnerability...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

Updated qemu-kvm-rhev packages that fix one security issue are now available for Red Hat Enterprise Virtualization Hypervisor 7. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severi...