kernel: kvm: vmx: invvpid vm exit not handled

It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid Invalidate Translations Based on VPID instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest...

UBUNTU-CVE-2015-0239

The emsysenter function in arch/x86/kvm/emulate.c in the Linux kernel before 3.18.5, when the guest OS lacks SYSENTER MSR initialization, allows guest OS users to gain guest OS privileges or cause a denial of service guest OS crash by triggering use of a 16-bit code segment for emulation of a...

DEBIAN-CVE-2010-5313

Race condition in arch/x86/kvm/x86.c in the Linux kernel before 2.6.38 allows L2 guest OS users to cause a denial of service L1 guest OS crash via a crafted instruction that triggers an L2 emulation failure report, a similar issue to CVE-2014-7842...

UBUNTU-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...

kernel: kvm: vmx: invvpid vm exit not handled

It was found that the Linux kernel's KVM subsystem did not handle the VM exits gracefully for the invvpid Invalidate Translations Based on VPID instructions. On hosts with an Intel processor and invppid VM exit support, an unprivileged guest user could use these instructions to crash the guest...

kernel: kvm: PIT timer race condition

A race condition flaw was found in the way the Linux kernel's KVM subsystem handled PIT Programmable Interval Timer emulation. A guest user who has access to the PIT I/O ports could use this flaw to crash the host...

DEBIAN-CVE-2014-3611

Race condition in the kvmmigratepittimer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service host OS crash by leveraging incorrect PIT emulation...

DEBIAN-CVE-2014-3646

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service guest OS crash via a crafted application...

PT-2014-5435 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 3.17.2 Description: The issue is related to the KVM subsystem in the Linux kernel, specifically in the arch/x86/kvm/vmx.c file. It does not have an exit handler for the INVVPID instruction, which allows guest OS...

PT-2014-5418 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions through 3.17.2 Description: A race condition in the kvm migrate pit timer function in the KVM subsystem allows guest OS users to cause a denial of service host OS crash by leveraging incorrect PIT emulation. A local gues...

UBUNTU-CVE-2014-3611

Race condition in the kvmmigratepittimer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service host OS crash by leveraging incorrect PIT emulation. A local guest user with access to the PIT i/o ports could use...

kvm: division by zero in apic_get_tmcct()

The apicgettmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service divide-by-zero error and host OS crash via crafted modifications of the TMICT value...

kvm: cross page vapic_addr access

The KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges or cause a denial of service system crash via a VAPIC synchronization operation involving a page-end address...

DEBIAN-CVE-2013-7130

The icreateimagesandbacking aka createimagesandbacking method in libvirt driver in OpenStack Compute Nova Grizzly, Havana, and Icehouse, when using KVM live block migration, does not properly create all expected files, which allows attackers to obtain snapshot root disk contents of other users vi...

DEBIAN-CVE-2013-6368

The KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges or cause a denial of service system crash via a VAPIC synchronization operation involving a page-end address...

UBUNTU-CVE-2013-6368

The KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges or cause a denial of service system crash via a VAPIC synchronization operation involving a page-end address...

UBUNTU-CVE-2013-6367

The apicgettmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service divide-by-zero error and host OS crash via crafted modifications of the TMICT value...

kvm: division by zero in apic_get_tmcct()

The apicgettmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service divide-by-zero error and host OS crash via crafted modifications of the TMICT value...

kvm: division by zero in apic_get_tmcct()

The apicgettmcct function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service divide-by-zero error and host OS crash via crafted modifications of the TMICT value...

kernel: kvm: memory leak when memory slot is moved with assigned device

Memory leak in the kvmsetmemoryregion function in virt/kvm/kvmmain.c in the Linux kernel before 3.9 allows local users to cause a denial of service memory consumption by leveraging certain device access to trigger movement of memory slots...