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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
Detailed Explanation for this Vulnerability Assessment
Several serious problems have been discovered in the Linux kernel.
This update takes care of Linux 2.4.19 for the MIPS architecture. The
Common Vulnerabilities and Exposures project identifies the following
problems that will be fixed with this update:
A vulnerability has been discovered in the R128 DRI driver in the Linux
kernel which could potentially lead a possible hacker to gain
unauthorised rights. Alan Cox and Thomas Biege developed a
correction for this.
Arjan van de Ven discovered a stack-based buffer overflow in the
ncp_lookup function for ncpfs in the Linux kernel, which could
lead a possible hacker to gain unauthorised rights. Petr Vandrovec
developed a correction for this.
zen-parse discovered a buffer overflow vulnerability in the
ISO9660 filesystem component of Linux kernel which could be abused
by a possible hacker to gain unauthorised root access. Sebastian
Krahmer and Ernie Petrides developed a correction for this.
Solar Designer discovered an information leak in the ext3 code of
Linux. In a worst case a possible hacker could read sensitive data such
as cryptographic keys which would otherwise never hit disk media.
Theodore Ts'o developed a correction for this.
Andreas Kies discovered a denial of service condition in the Sound
Blaster driver in Linux. He also developed a correction for this.
These problems are also fixed by upstream in Linux 2.4.26 and will be
fixed in Linux 2.6.6.
The following security matrix explains which kernel versions for which
architectures are already fixed and which will be removed instead.
We recommend that you upgrade your kernel packages immediately, either
with a Debian provided kernel or with a self compiled one.
Vulnerability matrix for CVE-2004-0109
Solution : http://www.debian.org/security/2004/dsa-491
Network Security Threat Level: High
Networks Security ID: 10141, 10152, 10152, 9570, 9691, 9985
Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi
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