Xen vCPU context-switch implementation process security bypass vulnerability

Xen is an open source virtual machine monitor product developed at the University of Cambridge in the United Kingdom. A security vulnerability in Xen's vCPU context-switch implementation allows an attacker to exploit the vulnerability to compromise ASLR and other protection mechanisms...

Xen 'xen/arch/arm/vgic.c' Denial of Service Vulnerability

Xen is an open source virtual machine monitor product developed at the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A denial of service vulnerability...

Spice Buffer Overflow Vulnerability

SPICE Simple Protocol for Independent Computing Environment is a virtualization technology acquired by Red Hat with the acquisition of Qumranet. SPICE can be used to deploy virtual desktops on servers and remote computers such as desktops and thin client devices. Spice suffers from a buffer...

USN-2843-2 linux-lts-wily vulnerabilities

Jan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS. CVE-2015-8104 郭永刚 discovered that the pp...

USN-2842-2 linux-lts-vivid vulnerabilities

Jan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS. CVE-2015-8104 郭永刚 discovered that the pp...

UBUNTU-CVE-2015-7970

The p2mpodemergencysweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service CPU consumption and possibly reboot via crafted memory contents that triggers a "time-consuming linear scan,"...

Virtio-win Denial of Service Vulnerability

virtio-win is a driver product for Windows systems. A denial of service vulnerability exists in virtio-win, which allows attackers to exploit the vulnerability to crash a virtual machine system...

DEBIAN-CVE-2014-7842

Race condition in arch/x86/kvm/x86.c in the Linux kernel before 3.17.4 allows guest OS users to cause a denial of service guest OS crash via a crafted application that performs an MMIO transaction or a PIO transaction to trigger a guest userspace emulation error report, a similar issue to...

DEBIAN-CVE-2014-3647

arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service guest OS crash via a crafted application...

kernel: kvm: buffer overflow in handling of MSR_KVM_SYSTEM_TIME

The kvmsetmsrcommon function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required timepage alignment during an MSRKVMSYSTEMTIME operation, which allows guest OS users to cause a denial of service buffer overflow and host OS memory corruption or possibly have...

UBUNTU-CVE-2013-0420

Unspecified vulnerability in the VirtualBox component in Oracle Virtualization 4.0, 4.1, and 4.2 allows local users to affect integrity and availability via unknown vectors related to Core. NOTE: The previous information was obtained from the January 2013 Oracle CPU. Oracle has not commented on...