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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Linux 2.4 NFSv3 DoS

Vulnerability Assessment Summary checks the presence of a DoS in the remote knfsd Detailed Explanation for this Vulnerability Assessment The remote host is running knfsd, a kernel NFS daemon. There is a bug in this version which may permit a possible hacker to disable the remote host by sending a malformed GETATTR request with an invalid length field. A possible hacker may exploit this flaw to prevent this host from working correctly. Solution : Upgrade to the latest version of Linux 2.4, or do not use knfsd. Network Security Threat Level: High Networks Security ID: 1160, 8298 Vulnerability Assessment Copyright: This script is Copyright (C) 2003 Renaud Deraison

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