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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 security related problems have been discovered in the Linux
kernel which may lead to a denial of service or even the execution of
arbitrary code. The Common Vulnerabilities and Exposures project
identifies the following problems:
A buffer overflow in NFS readlink handling permits a malicious
remote server to cause a denial of service.
Diego Calleja Garcia discovered a buffer overflow in the DVD
handling code that could be exploited by a specially crafted DVD
USB storage device to execute arbitrary code.
A bug in the SCSI driver permits a local user to cause a denial of
Patrick McHardy discovered a bug in the SNMP NAT helper that
permits remote attackers to cause a denial of service.
A race condition in the socket buffer handling permits remote
attackers to cause a denial of service.
Wei Wang discovered a bug in the SCTP implementation that permits
local users to cause a denial of service and possibly gain root
David Miller reported a problem with the fix for CVE-2006-3745
that permits local users to crash the system via an SCTP
socket with a certain SO_LINGER value.
The following matrix explains which kernel version for which
architecture fixes the problem mentioned above:
For the unstable distribution (sid) these problems won't be fixed
anymore in the 2.4 kernel series.
We recommend that you upgrade your kernel package and reboot the
machine. If you have built a custom kernel from the kernel source
package, you will need to rebuild to take advantage of these fixes.
Solution : http://www.debian.org/security/2006/dsa-1183
Network Security Threat Level: High
Networks Security ID: 18081, 18101, 18847, 19666, 20087
Vulnerability Assessment Copyright: This script is (C) 2006 Michel Arboi
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