Red Hat Enterprise Linux 4.0 usercopy.c rw_vm denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Red Hat Enterprise Linux 4.0. It has been rated as problematic. The impacted element is the function rw_vm of the file usercopy.c. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2005-2100. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Red Hat Enterprise Linux 4.0 (Operating System). This affects the function rw_vm of the file usercopy.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

The rw_vm function in usercopy.c in the 4GB split patch for the Linux kernel in Red Hat Enterprise Linux 4 does not perform proper bounds checking, which allows local users to cause a denial of service (crash).

The weakness was shared 10/25/2005 as Bug 165547 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2005-2100 since 06/30/2005. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 21943 (CentOS 4 : kernel (CESA-2005:514)), 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 117811 (CentOS Security Update for Kernel (CESA-2005:514)).

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

The vulnerability is also documented in the databases at Tenable (21943), OSVDB (20424†), Secunia (SA17073†) and Vulnerability Center (SBV-9620†). The entries VDB-1288, VDB-1289, VDB-1290 and VDB-1560 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 21943
Nessus Name: CentOS 4 : kernel (CESA-2005:514)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/30/2005 🔍
10/05/2005 +97 days 🔍
10/05/2005 +0 days 🔍
10/25/2005 +20 days 🔍
10/25/2005 +0 days 🔍
11/14/2005 +20 days 🔍
07/05/2006 +233 days 🔍
03/11/2015 +3171 days 🔍
06/11/2019 +1553 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: Bug 165547
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-2100 (🔍)
GCVE (CVE): GCVE-0-2005-2100
GCVE (VulDB): GCVE-100-26649

OVAL: 🔍

Secunia: 17073 - Red Hat update for kernel, Less Critical
OSVDB: 20424 - CVE-2005-2100 - Red Hat - Enterprise - Denial-of-service Issue
Vulnerability Center: 9620 - Red Hat Enterprise Linux Local DoS via usercopy.c in the 4GB Split Patch for Kernel, Low

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/11/2019 11:49
Changes: 03/11/2015 23:39 (67), 06/11/2019 11:49 (8)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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