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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 the Red Hat
Enterprise Linux 3 kernel are now available.
This security advisory has been rated as having important security impact
by the Red Hat Security Response Team.
The Linux kernel handles the basic functions of the operating system.
These new kernel packages contain fixes for the three security issues
described below as well as an important fix for a problem that could
lead to data corruption on x86-architecture SMP systems with greater
than 4GB of memory through heavy usage of multi-threaded applications.
A flaw between execve() syscall handling and core dumping of ELF-format
executables permited local unprivileged users to cause a denial of
service (system crash) or possibly gain rights. The Common
Vulnerabilities and Exposures project has assigned the name CVE-2005-1263
to this issue.
A flaw in shared memory locking permited local unprivileged users to lock
and unlock regions of shared memory segments they did not own (CVE-2005-0176).
A flaw in the locking of SysV IPC shared memory regions permited local
unprivileged users to bypass their RLIMIT_MEMLOCK resource limit
Note: The kernel-unsupported package contains various drivers and modules
that are unsupported and therefore might contain security problems that
have not been addressed.
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.
Please also consult the RHEL3 Update 5 advisory RHSA-2005:294 for the
complete list of features added and bugs fixed in U5, which was released
only a week prior to this security update.
Solution : http://rhn.redhat.com/errata/RHSA-2005-472.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Tenable Network Security
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