Linux Kernel 2.6.9 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.9. It has been declared as problematic. The impacted element is an unknown function. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2006-1862. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.9 (Operating System). It has been declared as problematic. This vulnerability affects some unknown processing. 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 virtual memory implementation in Linux kernel 2.6.x allows local users to cause a denial of service (panic) by running lsof a large number of times in a way that produces a heavy system load.

The bug was discovered 05/24/2006. The weakness was published 01/28/2007 (Website). The advisory is shared for download at redhat.com. This vulnerability was named CVE-2006-1862 since 04/19/2006. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 582 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21997 (CentOS 4 : kernel (CESA-2006:0493)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (21997), OSVDB (31663†), Secunia (SA20237†) and Vulnerability Center (SBV-11679†). Similar entries are available at VDB-1833, VDB-2134, VDB-2178 and VDB-2476. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21997
Nessus Name: CentOS 4 : kernel (CESA-2006:0493)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/19/2004 🔍
04/19/2006 +547 days 🔍
05/24/2006 +35 days 🔍
05/24/2006 +0 days 🔍
05/24/2006 +0 days 🔍
05/24/2006 +0 days 🔍
05/29/2006 +5 days 🔍
07/05/2006 +37 days 🔍
01/28/2007 +207 days 🔍
01/28/2007 +0 days 🔍
03/12/2015 +2964 days 🔍
06/19/2019 +1560 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-1862 (🔍)
GCVE (CVE): GCVE-0-2006-1862
GCVE (VulDB): GCVE-100-30400

OVAL: 🔍

Secunia: 20237
OSVDB: 31663 - Linux kernel Local lsof DoS
Vulnerability Center: 11679 - Linux Kernel Denial of Service via Multiple lsof Executions, Medium

See also: 🔍

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/19/2019 14:51
Changes: 03/12/2015 12:19 (66), 06/19/2019 14:51 (5)
Complete: 🔍
Cache ID: 216:134:103

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