Patch

CVE-2019-11478

with vRx

Vulnerability Overview

CVE Name

CVE-2019-11478

Severity

7.5

High

CVE Description

Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service...

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Latest Patch info

Patch Name

https://www.oracle.com/security-alerts/cpuoct2020.html

Date

21.10.2020

Script

Script Type

Remediation script

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This script will mitigate CVE-2019-11478 by disabling the SACK Processing as the following guide https://tuxcare.com/blog/linux-kernel-vulnerabilities-to-know-and-mitigate-without-reboot/#SACK-Panic-and-Slowness-CVE-2019-11477

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Affected OS & Apps

Connect Secure

Ivanti

Big-Ip Fraud Protection Service

Big-Ip Domain Name System

Connect Secure

Ivanti

Big-Ip Fraud Protection Service

Big-Ip Domain Name System

Big-Ip Policy Enforcement Manager

Big-Ip Webaccelerator

Big-Ip Application Security Manager

Big-Ip Link Controller

Big-Ip Global Traffic Manager

Big-Ip Edge Gateway

Big-Ip Advanced Firewall Manager

Big-Ip Local Traffic Manager

Big-Ip Application Acceleration Manager

Big-Ip Analytics

Big-Ip Access Policy Manager

Pulse Policy Secure

Pulsesecure

Pulse Connect Secure

Pulsesecure

Traffix Signaling Delivery Controller

Traffix SDC

Enterprise MRG

Redhat

Enterprise Linux Atomic Host

Redhat

Linux Kernel

Linux

Enterprise Linux

Redhat

Enterprise Linux EUS

Redhat

Ubuntu Linux

Canonical

Enterprise Linux AUS

Redhat

Enterprise MRG

Redhat

Virtualization

Redhat

4.7

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