Linux Kernel 2.6.6 hooks.c memory corruption

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.6. The impacted element is an unknown function of the file hooks.c. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2006-1052. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.6 (Operating System). It has been rated as problematic. This issue affects an unknown functionality of the file hooks.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The selinux_ptrace logic in hooks.c in SELinux for Linux 2.6.6 allows local users with ptrace permissions to change the tracer SID to an SID of another process.

The bug was discovered 03/13/2006. The weakness was shared 05/05/2006 by Stephen Smalley (Website). It is possible to read the advisory at ubuntu.com. The identification of this vulnerability is CVE-2006-1052 since 03/07/2006. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 52 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22276 (CentOS 4 : kernel (CESA-2006:0575)), 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 115389 (Linux Kernel Unspecified Socket Buffer Handling Remote Denial of Service Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (22276), SecurityFocus (BID 17830†), OSVDB (25232†), Secunia (SA19955†) and Vulnerability Center (SBV-11444†). The entries VDB-2071, VDB-2099, VDB-27880 and VDB-30335 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for 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: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 22276
Nessus Name: CentOS 4 : kernel (CESA-2006:0575)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57408
OpenVAS Name: Debian Security Advisory DSA 1184-1 (kernel-source-2.6.8)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/07/2006 🔍
03/13/2006 +6 days 🔍
05/04/2006 +52 days 🔍
05/04/2006 +0 days 🔍
05/05/2006 +0 days 🔍
05/05/2006 +0 days 🔍
05/05/2006 +0 days 🔍
05/16/2006 +11 days 🔍
08/23/2006 +99 days 🔍
08/30/2006 +7 days 🔍
03/12/2015 +3116 days 🔍
06/21/2025 +3754 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ubuntu.com
Researcher: Stephen Smalley
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-1052 (🔍)
GCVE (CVE): GCVE-0-2006-1052
GCVE (VulDB): GCVE-100-30059

OVAL: 🔍

SecurityFocus: 17830 - Linux Kernel SELinux_PTrace Local Denial of Service Vulnerability
Secunia: 19955
OSVDB: 25232 - Linux Kernel SELinux Module Tracer SID Local DoS
Vulnerability Center: 11444 - SELinux for Linux Local DoS, Medium

See also: 🔍

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/21/2025 22:17
Changes: 03/12/2015 12:19 (77), 06/18/2019 08:37 (5), 06/21/2025 22:17 (20)
Complete: 🔍
Cache ID: 216:30E:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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