Security Bulletin
Summary
IBM Flex System Networking Switch Products have addressed the following vulnerability in Linux Kernel.
Vulnerability Details
Summary
IBM Flex System Networking Switch Products have addressed the following vulnerability in Linux Kernel.
Vulnerability Details:
CVEID: CVE-2017-6214
Description: Linux Kernel is vulnerable to a denial of service, caused by an error in the tcp_splice_read() function. By sending a specially crafted TCP packet, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop and consume an overly large amount of CPU resources.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/122320
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Product | Affected Version |
|---|---|
| IBM Flex System Fabric EN4093R 10Gb Scalable Switch | 7.8 |
| IBM Flex System Fabric CN4093 10Gb Converged Scalable Switch | 7.8 |
| IBM Flex System Fabric SI4093 System Interconnect Module | 7.8 |
| IBM Flex System EN2092 1Gb Ethernet Scalable Switch | 7.8 |
Remediation/Fixes:
Firmware fix versions are available on Fix Central:
http://www.ibm.com/support/fixcentral/.
| Product | Fix Version |
|---|---|
| IBM Flex System Fabric EN4093R 10Gb
Scalable Switch (ibm_fw_scsw_en4093r-7.8.18.0_anyos_noarch) |
7.8.18.0 |
| IBM Flex System Fabric CN4093 10Gb
Converged Scalable Switch (ibm_fw_scsw_cn4093-7.8.18.0_anyos_noarch) |
7.8.18.0 |
| IBM Flex System Fabric SI4093 System
Interconnect Module (ibm_fw_scsw_si4093-7.8.18.0_anyos_noarch) |
7.8.18.0 |
| IBM Flex System EN2092 1Gb Ethernet
Scalable Switch (ibm_fw_scsw_en2092-7.8.18.0_anyos_noarch) |
7.8.18.0 |
Workaround(s) & Mitigation(s):
None
References:
Related Information:
IBM
Secure Engineering Web Portal
IBM Product Security
Incident Response Blog
Lenovo
Product Security Advisories
Acknowledgement
None
Change History
21 November 2017: Original Copy Published
* The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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References
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
30 January 2019
UID
ibm1MIGR-5099693