QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seektosector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "qemu-system-misc": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-guest-agent": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-utils": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-user": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-kvm": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-aarch64": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-user-static": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-arm": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-x86": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-ppc": "2.0.0~rc1+dfsg-0ubuntu3", "qemu": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-common": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-keymaps": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-sparc": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-system-mips": "2.0.0~rc1+dfsg-0ubuntu3", "qemu-common": "2.0.0~rc1+dfsg-0ubuntu3" } ] }