NetSight
medium4.0

CVE-2011-4347

The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access …

Impact

The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service (host OS crash) via a KVM_ASSIGN_PCI_DEVICE operation.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
through 3.1.9
Versions 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5

Weakness classification

References