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Rewterz Threat Advisory – Oracle Solaris Multiple Third Party Components Multiple Vulnerabilities
March 22, 2019
Rewterz Threat Advisory – Mozilla Firefox / Firefox ESR Multiple Vulnerabilities
March 25, 2019

Rewterz Threat Advisory – F5 Multiple Products Linux Kernel Denial of Service Vulnerability

March 25, 2019

Severity

Medium

Analysis Summary

CVE-2018-5390
Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.\

Impact

Denial of Service

Affected Products

F5 BIG-IP Local Traffic Manager (LTM) 11.x
F5 BIG-IP Application Security Manager (ASM) 11.x
F5 BIG-IP Local Traffic Manager (LTM) 12.x
F5 BIG-IP Application Security Manager (ASM) 12.x
F5 BIG-IP Local Traffic Manager (LTM) 13.x
F5 BIG-IP Application Security Manager (ASM) 13.x
F5 BIG-IP Local Traffic Manager (LTM) 14.x
F5 TMOS 11.x
F5 BIG-IP Global Traffic Manager (GTM) 11.x
F5 BIG-IP Access Policy Manager (APM) 11.x
F5 BIG-IP Application Acceleration Manager (AAM) 11.x
F5 BIG-IP Advanced Firewall Manager (AFM) 11.x
F5 BIG-IP Analytics (AVR) 11.x
F5 BIG-IP Link Controller 11.x
F5 BIG-IP Policy Enforcement Manager (PEM) 11.x
F5 BIG-IP Access Policy Manager (APM) 12.x
F5 BIG-IP Access Policy Manager (APM) 13.x
F5 BIG-IP Advanced Firewall Manager (AFM) 12.x
F5 BIG-IP Advanced Firewall Manager (AFM) 13.x
F5 TMOS 12.x
F5 BIG-IP DNS (formerly Global Traffic Manager (GTM)) 12.x

Remediation

Update to version 14.1.0, 13.1.1.4, 12.1.4, 11.6.4 or 11.5.9.

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