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Security Update:The CERT Coordination Center (CERT/CC) has released information on TCP networking vulnerabilities affecting Linux and FreeBSD kernels

Status Type

Security Update

Date and Time

Tuesday, June 25, 2019 - 09:59

Reason

Security update

Impact

Linux and FreeBSD kernels users

WHAT HAPPENED?

The CERT Coordination Center (CERT/CC) has released information on TCP networking vulnerabilities affecting Linux and FreeBSD kernels.

 

Advanced Users: For a complete description of the security enhancement and affected software refer to Vulnerability Note VU# 905115 (Multiple TCP Selective Acknowledgement (SACK) and Maximum Segment Size (MSS) networking vulnerabilities may cause denial-of-service conditions in Linux and FreeBSD kernels) at: https://www.kb.cert.org/vuls/id/905115/

 

Available updates FOR:

  • See the vulnerability note listed above.

 

WHAT'S THE PROBLEM?

A remote attacker may be able to trigger a denial-of-service condition against a system with an available open port.

 

HOW DO I PROTECT MY COMPUTER?

Update your software

1. If you are supported by ITFS or have different IT support, no action on your part is required.

2. If you do not have IT support or they do not support your computer, refer to the vulnerability note listed above for patching information.

 

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