Brocade Security Advisory

Brocade Security Advisory ID:

BSA-2017-265

 

Risk Impact:

High

Initial Publication Date:

May 2, 2017

 

Workaround:

N/A

Last Updated:

October 13, 2017

 

Component:

Linux Kernel

Revision:

2.0: Interim

 

CVSS Score:

8.0

 

Affected CVE(s):

CVE-2017-6074

 

 

 

 

 

 

 

Summary

The dccp_rcv_state_process function in net/dccp/input.c in the Linux kernel through 4.9.11 mishandles DCCP_PKT_REQUEST packet data structures in the LISTEN state, which allows local users to obtain root privileges or cause a denial of service (double free) via an application that makes an IPV6_RECVPKTINFO setsockopt system call.

Affected Products

Brocade is investigating its product lines to determine which products may be affected by this vulnerability and the impact on each affected product.

Products Confirmed Not Vulnerable

Brocade 5400 vRouter, Brocade 5600 vRouter, Brocade Fabric OS, Brocade FastIron OS, Brocade Network Advisor, Brocade NetIron OS, Brocade Network OS, Brocade SDN Controller, Brocade ServerIron ADX, Brocade Services Director, Brocade SLX-OS, Brocade Virtual Traffic Manager, Brocade Virtual Web Application Firewall, and Brocade Workflow Composer are confirmed not affected by this vulnerability.

Workaround

There are no workarounds that address this vulnerability.

Revision History

Version

Change

Date

1.0

Initial Publication

May 2, 2017

2.0

Updating to address BNA, FOS, NI, & WC

October 13, 2017

Disclaimer

THIS DOCUMENT IS PROVIDED ON AN AS-IS BASIS SOLELY FOR INFORMATIONAL PURPOSES AND DOES NOT IMPLY ANY KIND OF GUARANTY OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. YOUR USE OF THE INFORMATION CONTAINED HEREIN IS AT YOUR OWN RISK. ALL INFORMATION PROVIDED HEREIN IS BASED ON BROCADE'S CURRENT KNOWLEDGE AND UNDERSTANDING OF THE VULNERABILITY AND IMPACT TO BROCADE HARDWARE AND SOFTWARE PRODUCTS. BROCADE RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.