National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2006-4623 Detail


The Unidirectional Lightweight Encapsulation (ULE) decapsulation component in dvb-core/dvb_net.c in the dvb driver in the Linux kernel allows remote attackers to cause a denial of service (crash) via an SNDU length of 0 in a ULE packet.

Source:  MITRE      Last Modified:  09/11/2006

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.8 HIGH
(AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Evaluator Solution

There is a patch available for the affected product release.

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/21/2006)

Red Hat is aware of this issue and is tracking it via the following bug for Red Hat Enterprise Linux 4: This issue does not affect Red Hat Enterprise Linux 2.1 or 3.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Patch External Source MLIST [lkml-patch] 20060821 dvb-core: Proper handling ULE SNDU length of 0 External Source CONFIRM External Source DEBIAN DSA-1304 External Source MANDRIVA MDKSA-2006:182 External Source SUSE SUSE-SA:2006:079 External Source REDHAT RHSA-2006:0689 External Source BUGTRAQ 20070615 rPSA-2007-0124-1 kernel xen External Source BUGTRAQ 20061017 rPSA-2006-0194-1 kernel Patch External Source BID 19939 External Source UBUNTU USN-489-1 External Source VUPEN ADV-2006-3551 External Source CONFIRM External Source OVAL oval:org.mitre.oval:def:9775

References to Check Content

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Technical Details

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Change History 3 change records found - show changes