Ubuntu Security Notice 1406-1 - Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Stephan B=C3=A4rwolf discovered a flaw in the KVM (kernel-based virtual machine) subsystem of the Linux kernel. A local unprivileged user can crash use this flaw to crash VMs causing a deny of service. Various other issues were also addressed.
daec70c79148be4f16814b730209fb95008de030d988a2c710ae8fd2ecd47c4a