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AUSCERT External Security Bulletin Redistribution
ESB-2018.3107.2
Linux kernel vulnerability CVE-2017-6346
17 February 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: F5 BIG-IP products
Publisher: F5 Networks
Operating System: Network Appliance
Impact/Access: Root Compromise -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-6346
Reference: ASB-2017.0141
ESB-2018.0717
ESB-2018.0600
ESB-2017.3201
ESB-2017.3083
ESB-2017.3060
Original Bulletin:
https://support.f5.com/csp/article/K11023978
Revision History: February 17 2020: Vendor updated advisory that no current products are vulnerable
October 12 2018: Initial Release
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K11023978:Linux kernel vulnerability CVE-2017-6346
Security Advisory
Original Publication Date: 13 Apr, 2017
Latest Publication Date: 15 Feb, 2020
Security Advisory Description
Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13
allows local users to cause a denial of service (use-after-free) or possibly
have unspecified other impact via a multithreaded application that makes
PACKET_FANOUT setsockopt system calls. (CVE-2017-6346)
Impact
There is no impact; F5 products are not affected by this vulnerability.
Security Advisory Status
F5 Product Development has evaluated the currently supported releases for
potential vulnerability, and no F5 products were found to be vulnerable.
Note: F5 previously evaluated CVE-2017-6346 as Vulnerable but has since
re-evaluated it as Not Vulnerable.
Security Advisory Recommended Actions
None
Supplemental Information
o K51812227: Understanding Security Advisory versioning
o K41942608: Overview of Security Advisory articles
o K4602: Overview of the F5 security vulnerability response policy
o K9970: Subscribing to email notifications regarding F5 products
o K9957: Creating a custom RSS feed to view new and updated documents
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