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Family: Red Hat Local Security Checks --> Category: infos

RHSA-2004-260: kernel Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the kernel packages

Detailed Explanation for this Vulnerability Test

Updated kernel packages for Red Hat Enterprise Linux 2.1 that fix security
vulnerabilities are now available.

The Linux kernel handles the basic functions of the operating system.

A flaw was found in Linux kernel versions 2.4 and 2.6 for x86 and x86_64
that allowed local users to cause a denial of service (system crash) by
triggering a signal handler with a certain sequence of fsave and frstor
instructions. The Common Vulnerabilities and Exposures project
( has assigned the name CVE-2004-0554 to this issue.

Enhancements were committed to the 2.6 kernel by Al Viro which enabled the
Sparse source code checking tool to check for a certain class of kernel
bugs. A subset of these fixes also applies to various drivers in the 2.4
kernel. These flaws could lead to privilege escalation or access to kernel
memory. The Common Vulnerabilities and Exposures project (
has assigned the name CVE-2004-0495 to these issues.

All Red Hat Enterprise Linux 2.1 users are advised to upgrade their kernels
to the packages associated with their machine architectures and
configurations as listed in this erratum. These packages contain
backported patches to correct these issues.

Solution :
Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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