Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "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" } ] }