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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 fix several security issues in Red Hat
Enterprise Linux 3 are now available.
The Linux kernel handles the basic functions of the operating system.
Paul Starzetz discovered flaws in the Linux kernel when handling file
offset pointers. These consist of invalid conversions of 64 to 32-bit file
offset pointers and possible race conditions. A local unprivileged user
could make use of these flaws to access large portions of kernel memory.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CVE-2004-0415 to this issue.
These packages contain a patch written by Al Viro to correct these flaws.
Red Hat would like to thank iSEC Security Research for disclosing this
issue and a number of vendor-sec participants for reviewing and working on
the patch to this issue.
In addition, these packages correct a number of minor security issues:
An bug in the e1000 network driver. This bug could be used by local users
to leak small amounts of kernel memory (CVE-2004-0535).
A bug in the SoundBlaster 16 code which does not properly handle certain
sample sizes. This flaw could be used by local users to crash a system
A possible NULL-pointer dereference in the Linux kernel prior to 2.4.26 on
the Itanium platform could permit a local user to crash a system
Inappropriate permissions on /proc/scsi/qla2300/HbaApiNode (CVE-2004-0587).
All Red Hat Enterprise Linux 3 users are advised to upgrade their
kernels to the packages associated with their machine architectures
and configurations as listed in this erratum.
Solution : http://rhn.redhat.com/errata/RHSA-2004-413.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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