Linux Kernel tcf_act_police_dump resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

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

The tcf_act_police_dump function in net/sched/act_police.c in the actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc4 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel memory via vectors involving a dump operation. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-2942.

The issue has been introduced in 03/20/2006. The weakness was published 09/21/2010 by Eugene Teo as confirmed git commit (GIT Repository). The advisory is shared for download at This vulnerability is handled as CVE-2010-3477. 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 1646 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 50790 (CentOS 4 : kernel (CESA-2010:0779)), 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 119701 (VMware ESX Updates to Third Party Libraries and ESX Service Console (VMSA-2011-0012)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at

The vulnerability is also documented in the databases at X-Force (61959) and Tenable (50790). Similar entries are available at 55628, 54954, 54791 and 54636.







CPE 2.3info

CPE 2.2info


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: 🔍



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

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 50790
Nessus Name: CentOS 4 : kernel (CESA-2010:0779)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 68662
OpenVAS Name: Debian Security Advisory DSA 2126-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 0f04cfd098fb81fded74e78ea1a1b86cc6c6c31e


03/20/2006 🔍
08/18/2010 +1612 days 🔍
08/18/2010 +0 days 🔍
09/21/2010 +33 days 🔍
09/21/2010 +0 days 🔍
09/21/2010 +0 days 🔍
10/24/2010 +33 days 🔍
03/19/2015 +1607 days 🔍
09/25/2021 +2382 days 🔍



Advisory: RHSA-2010:0779
Researcher: Eugene Teo
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-3477 (🔍)

X-Force: 61959
Vulnerability Center: 27823 - Linux kernel Before 2.6.36-rc4 Local Information Disclosure Vulnerability, Medium
SecurityFocus: 42529 - Linux Kernel 'net/sched/act_police.c' File Memory Leak Local Information Disclosure Vulnerability
Secunia: 42890

See also: 🔍


Created: 03/19/2015 02:37 PM
Updated: 09/25/2021 10:17 AM
Changes: 03/19/2015 02:37 PM (66), 03/08/2017 03:25 PM (12), 09/25/2021 10:06 AM (7), 09/25/2021 10:12 AM (1), 09/25/2021 10:17 AM (2)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!