QEMU 'hw/net/vmxnet3.c' Denial of Service Vulnerability

QEMU is a simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A denial-of-service vulnerability exists in QEMU 'hw/net/vmxnet3.c', which allows attackers to exploit the vulnerability to crash the application, resulting in a denial...

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...

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...

Fedora 23 : qemu-2.4.1-6.fc23 (2016-42778e8c82)

CVE-2015-8745: vmxnet3: don't assert reading registers in bar0 bz 1295442 CVE-2015-8567: net: vmxnet3: host memory leakage bz 1289818 CVE-2016-1922: i386: avoid NULL pointer dereference bz 1292766 CVE-2015-8613: buffer overflow in megasasctrlgetinfo bz 1284008 CVE-2015-8701: Buffer overflow in...

Fedora 22 : xen-4.5.2-7.fc22 (2016-e1784417af)

PV superpage functionality missing sanity checks XSA-167, CVE-2016-1570 VMX: intercept issue with INVLPG on non-canonical address XSA-168, CVE-2016-1571 Qemu: pci: NULL pointer dereference issue CVE-2015-7549 qemu: DoS by infinite loop in ehciadvancestate CVE-2015-8558 qemu: Heap-based buffer...

Fedora 23 : qemu-2.4.1-5.fc23 (2016-e9bba2bb01)

CVE-2015-7549: pci: NULL pointer dereference issue bz 1291138 CVE-2015-8558: DoS by infinite loop in ehciadvancestate bz 1291309 CVE-2015-8666: Heap-based buffer overrun during VM migration bz 1294027 CVE-2015-8744: vmxnet3: fix crash with short packets bz 1295440 CVE-2015-8745: vmxnet3: don't...

Debian Security Advisory DSA 3471-1 (qemu - security update)

Several vulnerabilities were discovered in qemu, a full virtualization solution on x86 hardware. CVE-2015-7295 Jason Wang of Red Hat Inc. discovered that the Virtual Network Device support is vulnerable to denial-of-service, that could occur when receiving large packets. CVE-2015-7504 Qinghao Tan...

Ubuntu: Security Advisory (USN-2891-1)

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...

Ubuntu 14.04 LTS : QEMU vulnerabilities (USN-2891-1)

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2891-1 advisory. Qinghao Tang discovered that QEMU incorrectly handled PCI MSI-X support. An attacker inside the guest could use this issue to cause QEMU to crash,...

USN-2891-1 qemu, qemu-kvm vulnerabilities

Qinghao Tang discovered that QEMU incorrectly handled PCI MSI-X support. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. CVE-2015-7549 Lian Yihan discovered that QEMU incorrectl...

QEMU 'vmxnet3.c' Denial of Service Vulnerability

QEMU is a suite of analog processor software developed by French programmer Fabrice Bellard. A denial of service vulnerability exists in QEMU, which can be exploited by an attacker to cause a QEMU instance to crash, resulting in a denial of service...

openSUSE Security Update : xen (openSUSE-2016-35)

This update for xen fixes the following security issues : - CVE-2015-8568 CVE-2015-8567: xen: qemu: net: vmxnet3: host memory leakage boo959387 - CVE-2015-8550: xen: paravirtualized drivers incautious about shared memory contents XSA-155, boo957988 - CVE-2015-8558: xen: qemu: usb: infinite loop i...

openSUSE Security Update : xen (openSUSE-2016-36)

This update for xen fixes the following issues : - CVE-2015-8567,CVE-2015-8568: xen: qemu: net: vmxnet3: host memory leakage boo959387 - CVE-2015-8550: xen: paravirtualized drivers incautious about shared memory contents XSA-155, boo957988 - CVE-2015-8558: xen: qemu: usb: infinite loop in...

QEMU 'net/vmxnet3.c' Denial of Service Vulnerability

QEMU is a suite of simulation processor software. The software is fast and cross-platform. A security vulnerability exists in QEMU 'net/vmxnet3.c', which can be exploited by remote attackers to crash the QEMU process and perform denial of service...

qemu内存泄露漏洞(CVE-2015-8567)

No description provided by source. !/bin/bash 这可能是最简单的exp吧．．． 原理很简单，根据详情分析，发现重新启动网卡就会调用vmxnet3activatedevice 然后堆就不停的分配内存 直到进程漰溃 这是一段bash shell脚本 eth1是我这里虚拟机上的vmxnet3设备 从开始运行直到漰溃用了我一個午觉时间，大概40分钟 其实具体情况按照自己本机机器来定，时间长短不一 root权限执行 while true do ifconfig eth1 down && echo 'Down!' ifconfig eth1 up &&...

QEMU 'net/vmxnet3.c' Denial of Service Vulnerability

QEMU is a simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A denial of service vulnerability exists in QEMU. An attacker can exploit this vulnerability to disclose host memory and crash the host, denying service to legitimate...

QEMU 'net/vmxnet3.c' denial of service vulnerability (CNVD-2016-00106)

QEMU is a simulation processor software developed by French programmer Fabrice Bellard. The software is fast and cross-platform. A denial of service vulnerability exists in QEMU. An attacker can exploit this vulnerability to disclose host memory and crash the host, denying service to legitimate...

CVE-2015-8745

QEMU aka Quick Emulator built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers IMR. A privileged CAPSYSRAWIO guest user could use this flaw to crash the QEMU process instance resulting in DoS...

FreeBSD : qemu -- denial of service vulnerability in VMWARE VMXNET3 NIC support (9ad8993e-b1ba-11e5-9728-002590263bf5)

Prasad J Pandit, Red Hat Product Security Team, reports : Qemu emulator built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to a memory leakage flaw. It occurs when a guest repeatedly tries to activate the vmxnet3 device. A privileged guest user could use this flaw to leak...

3 6 0 Marvel Team virtualization vulnerabilities the fourth bomb: CVE-2 0 1 5-8 5 6 7 vulnerability analysis-vulnerability warning-the black bar safety net

2 0 1 5 years is“the cloud leap”year, is also a virtualization vulnerability really is people cognition, attention of a year, unwilling to“like the wind”3 6 0 Marvel Team take the initiative, with practical actions for cloud computing escort. As of today, we accumulated in kvm, xen, vmware platfo...