A flaw was found in the sctp_make_strreset_req function in net sctp sm_make_chunk.c

Brocade Directors

3 more products

22356

25 September 2023

01 August 2023

CLOSED

LOW

5.5 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-0322

Brocade Security Advisory ID

BSA-2023-1890

Component

Linux

 

 

Summary

A flaw was found in the sctp_make_strreset_req function in net/sctp/sm_make_chunk.c in the SCTP network protocol in the Linux kernel with a local user privilege access. In this flaw, an attempt to use more buffer than is allocated triggers a BUG_ON issue, leading to a denial of service (DOS).

 

Products Affected

All versions of Brocade Fabric OS

 

Products Confirmed Not Affected

Brocade SANnav and Brocade ASCG are not affected by this vulnerability

 

Solution

Solution provided in Fabric OS v9.2.0 and later versions

The sctp_make_strrest_req() function is not in the execute path and Fabric OS is not exploitable.  However, the vulnerable code is found in all versions of FOS.  The open source component was upgraded in v9.2.0 to ensure that security scans no longer detect this vulnerability

 

Revision History

Version

Change

Date

1.0

Initial Publication

August 1, 2023

1.1

The vulnerable function was confirmed as not in the code path.  Risk analysis lowered and note added about FOS not being exploitable

September, 25 2023

 

Disclaimer

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