Linux Kernel up to 2.6.15.6 unaligned.c die_if_kernel denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 2.6.15.6. The affected element is the function die_if_kernel of the file arch/ia64/kernel/unaligned.c. Executing a manipulation can lead to denial of service. The identification of this vulnerability is CVE-2006-0742. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 2.6.15.6 (Operating System) and classified as problematic. This vulnerability affects the function die_if_kernel of the file arch/ia64/kernel/unaligned.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The die_if_kernel function in arch/ia64/kernel/unaligned.c in Linux kernel 2.6.x before 2.6.15.6, possibly when compiled with certain versions of gcc, has the "noreturn" attribute set, which allows local users to cause a denial of service by causing user faults on Itanium systems.

The bug was discovered 03/07/2006. The weakness was shared 03/07/2006 by Alan and Gareth (Website). The advisory is available at kernel.org. This vulnerability was named CVE-2006-0742 since 02/17/2006. The attack can only be initiated within the local network. A single authentication is required for exploitation. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22135 (CentOS 3 : kernel (CESA-2006:0437)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117668 (CentOS Security Update for Kernel (CESA-2006:0437)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25068), Tenable (22135), SecurityFocus (BID 16993†), OSVDB (23660†) and Secunia (SA19078†). The entries VDB-2114, VDB-2172, VDB-29289 and VDB-29029 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.7
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22135
Nessus Name: CentOS 3 : kernel (CESA-2006:0437)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56956
OpenVAS Name: Debian Security Advisory DSA 1097-1 (kernel-source-2.4.27)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: kernel.org

Timelineinfo

02/17/2006 🔍
03/05/2006 +16 days 🔍
03/05/2006 +0 days 🔍
03/06/2006 +1 days 🔍
03/07/2006 +0 days 🔍
03/07/2006 +0 days 🔍
03/07/2006 +0 days 🔍
03/09/2006 +2 days 🔍
03/09/2006 +0 days 🔍
03/29/2006 +20 days 🔍
08/03/2006 +127 days 🔍
08/04/2006 +1 days 🔍
06/16/2019 +4699 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Alan, Gareth
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-0742 (🔍)
GCVE (CVE): GCVE-0-2006-0742
GCVE (VulDB): GCVE-100-2074

OVAL: 🔍

X-Force: 25068 - Linux kernel die_if_kernel() denial of service, Medium Risk
SecurityFocus: 16993 - Linux Kernel die_if_kernel Local Denial of Service Vulnerability
Secunia: 19078 - Linux Kernel "die_if_kernel()" Potential Denial of Service, Not Critical
OSVDB: 23660 - Linux Kernel die_if_kernel() Function Unspecified Return Issue
Vulnerability Center: 10855 - Linux Kernel Local DoS via die_if_kernel Function, Medium
Vupen: ADV-2006-0856

See also: 🔍

Entryinfo

Created: 03/09/2006 10:39
Updated: 06/16/2019 06:21
Changes: 03/09/2006 10:39 (98), 06/16/2019 06:21 (2)
Complete: 🔍
Cache ID: 216:D41:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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