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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.
Vulnerability Assessment Details
Check for the version of the kernel packages
Detailed Explanation for this Vulnerability Assessment
Updated kernel packages that address various security vulnerabilities, fix
number of bugs, and update various drivers are now available.
The Linux kernel handles the basic functions of the operating system.
The execve system call in Linux 2.4.x records the file descriptor of the
executable process in the file table of the calling process, which permits
local users to gain read access to restricted file descriptors. The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CVE-2003-0476 to this issue.
A number of bugfixes are included, including important fixes for the ext3
file system and timer code.
New features include limited support for non-cached NFS file sytems, Serial
ATA (SATA) devices, and new alt-sysreq debugging options.
In addition, the following drivers have been updated:
- e100 2.3.30-k1
- e1000 5.2.20-k1
- fusion 2.05.05+
- ips 6.10.52
- aic7xxx 6.2.36
- aic79xxx 1.3.10
- megaraid 2 2.00.9
- cciss 2.4.49
All users are advised to upgrade to these erratum packages, which contain
backported patches addressing these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2003-408.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security
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