Brocade Security Advisory

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Brocade Security Advisory ID:

BSA-2017-326

 

Risk Impact:

High

Initial Publication Date:

June 23, 2017

 

Workaround:

N/A

Last Updated:

October 13, 2017

 

Component:

Linux Kernel

Revision:

2.0: Interim

 

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 Fabric OS, Brocade FastIron OS, Brocade NetIron OS, Brocade Network OS, Brocade ServerIron ADX, Brocade SLX-OS , Brocade Virtual ADX, Brocade Virtual Traffic Manager: Software, 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.