Table of Contents

Public Date:
522331: CVE-2009-2903 kernel: appletalk: denial of service when handling IP tunnelled over DDP datagrams

The MITRE CVE dictionary describes this issue as:

Memory leak in the appletalk subsystem in the Linux kernel 2.4.x through and 2.6.x through 2.6.31, when the appletalk and ipddp modules are loaded but the ipddp"N" device is not found, allows remote attackers to cause a denial of service (memory consumption) via IP-DDP datagrams.

Find out more about CVE-2009-2903 from the MITRE CVE dictionary dictionary and NIST NVD.


Red Hat is aware of this issue. Please see

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5, as the affected driver is not enabled in these kernels. The affected driver is available in Red Hat Enterprise MRG. It is also available in Red Hat Enterprise Linux 3, but only if the kernel-unsupported package is installed. Future kernel updates in Red Hat Enterprise Linux 3 and Red Hat Enterprise MRG will address this issue.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 8.3
Base Metrics AV:A/AC:L/Au:N/C:C/I:C/A:C
Access Vector Adjacent Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Last Modified

CVE description copyright © 2017, The MITRE Corporation