BSA-2017-326

Brocade Security Advisory ID

BSA-2017-326

Initial Publication Date

06/23/2017

Last Updated

10/13/2017

Revision

2.0: Interim

Risk Impact

High

Workaround

N/A

Component

Linux Kernel

Affected CVE

CVE-2017-7308

CVSS Score

7.0

Summary

It was found that the packet_set_ring() function of the Linux kernel's networking implementation did not properly validate certain block-size data. A local attacker with CAP_NET_RAW capability could use this flaw to trigger a buffer overflow, resulting in the crash of the system. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.

Affected Products

Product Current Assessment
Brocade Services Director Impacted: Fixed in 17.2.
Brocade Virtual Traffic Manager Impacted: Appliance fixed in 17.2 and later.

Products Confirmed Not Vulnerable

Brocade 5400 vRouter, Brocade 5600 vRouter, Brocade Fabric OS, Brocade FastIron OS, Brocade NetIron OS, Brocade Network OS, Brocade ServerIron ADX, Brocade Services Director, Brocade SLX-OS, Brocade Virtual ADX, 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 June 23, 2017
2.0 Updating to address FOS, NOS, SLX, & 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.