Linux Kernel 2.6.16 mempolicy.c get_nodes memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.16. Affected is the function get_nodes of the file mempolicy.c. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2006-0557. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.16 (Operating System). It has been declared as problematic. Affected by this vulnerability is the function get_nodes of the file mempolicy.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

sys_mbind in mempolicy.c in Linux kernel 2.6.16 and earlier does not sanity check the maxnod variable before making certain computations for the get_nodes function, which has unknown impact and attack vectors.

The bug was discovered 03/10/2006. The weakness was shared 03/12/2006 by Mike O'Connor (Website). The advisory is shared at linux.bkbits.net. This vulnerability is known as CVE-2006-0557 since 02/06/2006. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 21375 (Ubuntu 5.04 / 5.10 : linux-source-2.6.10, linux-source-2.6.12 vulnerabilities (USN-281-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25204), Tenable (21375), SecurityFocus (BID 16924†), OSVDB (23895†) and Secunia (SA19955†). The entry VDB-30059 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider 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: 5.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21375
Nessus Name: Ubuntu 5.04 / 5.10 : linux-source-2.6.10, linux-source-2.6.12 vulnerabilities (USN-281-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57028
OpenVAS Name: Debian Security Advisory DSA 1103-1 (kernel-source-2.6.8)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

02/06/2006 🔍
03/02/2006 +24 days 🔍
03/10/2006 +8 days 🔍
03/10/2006 +0 days 🔍
03/12/2006 +2 days 🔍
03/12/2006 +0 days 🔍
03/12/2006 +0 days 🔍
03/14/2006 +2 days 🔍
03/20/2006 +5 days 🔍
05/04/2006 +45 days 🔍
05/13/2006 +9 days 🔍
05/16/2006 +3 days 🔍
03/12/2015 +3222 days 🔍
06/18/2019 +1559 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: linux.bkbits.net
Researcher: Mike O'Connor
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-0557 (🔍)
GCVE (CVE): GCVE-0-2006-0557
GCVE (VulDB): GCVE-100-29149

OVAL: 🔍

X-Force: 25204
SecurityFocus: 16924 - Linux Kernel sys_mbind System Call Local Denial of Service Vulnerability
Secunia: 19955
OSVDB: 23895 - Linux Kernel get_nodes() Function Crafted Value Local DoS
SecurityTracker: 1015752
Vulnerability Center: 11441 - Linux Kernel mempolicy.c sys_mbind Local DoS due to Lack of Sanity Checks, Medium
Vupen: ADV-2006-2554

See also: 🔍

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/18/2019 08:24
Changes: 03/12/2015 12:19 (81), 06/18/2019 08:24 (10)
Complete: 🔍
Cache ID: 216::103

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