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

RHSA-2003-239: kernel Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the kernel packages

Detailed Explanation for this Vulnerability Test

Updated kernel packages that address various security vulnerabilities are
now available for Red Hat Enterprise Linux.

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

Security issues have been found that affect the versions of the Linux
kernel shipped with Red Hat Enterprise Linux:

CVE-2003-0462: Paul Starzetz discovered a file read race condition existing
in the execve() system call, which could cause a local crash.

CVE-2003-0501: The /proc filesystem in Linux allows local users to obtain
sensitive information by opening various entries in /proc/self before
executing a setuid program. This causes the program to fail to change the
ownership and permissions of already opened entries.

CVE-2003-0550: The STP protocol is known to have no security, which could
allow attackers to alter the bridge topology. STP is now turned off by

CVE-2003-0551: STP input processing was lax in its length checking, which
could lead to a denial of service (DoS).

CVE-2003-0552: Jerry Kreuscher discovered that the Forwarding table could
be spoofed by sending forged packets with bogus source addresses the same
as the local host.

CVE-2003-0619: An integer signedness error in the decode_fh function of
nfs3xdr.c allows remote attackers to cause a denial of service (kernel
panic) via a negative size value within XDR data of an NFSv3 procedure

CVE-2003-0699: The C-Media PCI sound driver in Linux kernel versions prior
to 2.4.21 accesses userspace without using the get_user function, which is
a potential security hole.

All users are advised to upgrade to these erratum packages, which contain
backported security patches correcting these vulnerabilities.

Solution :
Threat Level: High

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


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