Zero-Day Advisory

Fortinet Discovers Dell EMC Isilon OneFS and IsilonSD Edge Remote Kernel Crash Vulnerability


Fortinet's FortiGuard Labs has discovered a remote Kernel crash vulnerability in the Dell EMC Isilon OneFS and IsilonSD Edge.

EMC Isilon OneFS operating system provides the intelligence behind EMC Isilon scale-out NAS storage solutions. Isilon OneFS combines the three layers of traditional storage architectures: file system, volume manager, and data protection into one unified software layer, creating a single intelligent file system that spans all nodes within a cluster.

EMC IsilonSD Edge is software-defined storage for small businesses and remote offices of enterprise companies that need to manage a growing amount of unstructured data.

The remote Kernel crash vulnerability exists in the isi_drive_d process. An unauthenticated attacker may potentially exploit this vulnerability to crash the server operating system by sending specially crafted packet to the affected system.


FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Released Aug 24, 2017

Users should apply the solution provided by EMC.


Fortinet reported the vulnerability to EMC on May 27, 2017.

EMC confirmed the vulnerability on June 1, 2017.

EMC patched the vulnerability on September 14, 2018.


This vulnerability was discovered by Honggang Ren of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.