Linux Kernel 2.6.16.9 add_del_listener resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 2.6.16.9. Impacted is the function add_del_listener. Such manipulation leads to resource management. This vulnerability is listed as CVE-2011-2484. There is no available exploit.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System). It has been rated as critical. Affected by this issue is the function add_del_listener. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

The add_del_listener function in kernel/taskstats.c in the Linux kernel 2.6.39.1 and earlier does not prevent multiple registrations of exit handlers, which allows local users to cause a denial of service (memory and CPU consumption), and bypass the OOM Killer, via a crafted application.

The issue has been introduced in 03/20/2006. The weakness was presented 06/24/2011 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2011-2484 since 06/15/2011. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 1922 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 56569 (CentOS 5 : kernel (CESA-2011:1386)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216036 (VMware ESXi and ESX Third Party Libraries Updates (VMSA-2012-0013)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (68150), Tenable (56569), SecurityFocus (BID 48383†) and Vulnerability Center (SBV-32792†). See VDB-4416, VDB-4468, VDB-5260 and VDB-56641 for similar entries. 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: 6.2
VulDB Meta Temp Score: 6.2

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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: 56569
Nessus Name: CentOS 5 : kernel (CESA-2011:1386)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881021
OpenVAS Name: CentOS Update for kernel CESA-2011:1386 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/20/2006 🔍
06/15/2011 +1913 days 🔍
06/16/2011 +1 days 🔍
06/22/2011 +6 days 🔍
06/24/2011 +2 days 🔍
06/24/2011 +0 days 🔍
08/21/2011 +58 days 🔍
03/23/2015 +1310 days 🔍
11/13/2021 +2427 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2011:1241
Status: Confirmed

CVE: CVE-2011-2484 (🔍)
GCVE (CVE): GCVE-0-2011-2484
GCVE (VulDB): GCVE-100-57788

OVAL: 🔍
IAVM: 🔍

X-Force: 68150
SecurityFocus: 48383 - Linux Kernel 'taskstats.c' Local Denial of Service Vulnerability
Vulnerability Center: 32792 - Linux Kernel 2.6.39.1 and earlier Local Denial of Service Vulnerability via a Crafted Application, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/13/2021 14:50
Changes: 03/23/2015 16:50 (63), 03/30/2017 09:36 (12), 11/13/2021 14:50 (4)
Complete: 🔍
Cache ID: 216:E6B:103

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