CVE-2018-1062

A vulnerability was discovered in oVirt 4.1.x before 4.1.9, where the combination of Enable Discard and Wipe After Delete flags for VM disks managed by oVirt, could cause a disk to be incompletely zeroed when removed from a VM. If the same storage blocks happen to be later allocated to a new disk attached to another VM, potentially sensitive data could be revealed to privileged users of that VM.

A vulnerability was discovered in oVirt 4.1.x before 4.1.9, where the combination of Enable Discard and Wipe After Delete flags for VM disks managed by oVirt, could cause a disk to be incompletely zeroed when removed from a VM. If the same storage blocks happen to be later allocated to a new disk attached to another VM, potentially sensitive data could be revealed to privileged users of that VM.

Se ha descubierto una vulnerabilidad en versiones 4.1.x anteriores a la 4.1.9 de oVirt, donde la combinación de las marcas Enable Discard y Wipe After Delete para los discos de máquinas virtuales gestionados por oVirt podría provocar que el disco tome el valor cero al eliminarse de una VM. Si los mismos bloques de almacenamiento se reasignan a un nuevo disco conectado a otra máquina virtual, datos potencialmente sensibles podrían revelarse a usuarios privilegiados de esa máquina virtual.