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Vulnerability Details : CVE-2006-7051 (1 public exploit)

The sys_timer_create function in posix-timers.c for Linux kernel 2.6.x allows local users to cause a denial of service (memory consumption) and possibly bypass memory limits or cause other processes to be killed by creating a large number of posix timers, which are allocated in kernel memory but are not treated as part of the process' memory.
Publish Date : 2007-02-23 Last Update Date : 2008-09-05
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceBypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

This issue can only be exploited if pending signals (ulimit -i) is set to "unlimited". In case of Red Hat Enterprise Linux version 2.1, 3 and 4 this is not the case and therefore they are not vulnerable to this issue.
Source: Redhat

- Products Affected By CVE-2006-7051

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.18.0 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.6.18.1 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.6.18.2 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.6.18.3 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.6.18.4 Version Details Vulnerabilities
6 OS Linux Linux Kernel 2.6.18.5 Version Details Vulnerabilities
7 OS Linux Linux Kernel 2.6.18.6 Version Details Vulnerabilities
8 OS Linux Linux Kernel 2.6.18.7 Version Details Vulnerabilities
9 OS Linux Linux Kernel 2.6.19.0 Version Details Vulnerabilities
10 OS Linux Linux Kernel 2.6.19.1 Version Details Vulnerabilities
11 OS Linux Linux Kernel 2.6.19.2 Version Details Vulnerabilities
12 OS Linux Linux Kernel 2.6.19.3 Version Details Vulnerabilities
13 OS Linux Linux Kernel 2.6.19.4 Version Details Vulnerabilities
14 OS Linux Linux Kernel 2.6.20 Version Details Vulnerabilities
15 OS Linux Linux Kernel 2.6.20.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 15

- References For CVE-2006-7051

Exploit! http://www.milw0rm.com/exploits/1657
MILW0RM 1657
http://www.securityfocus.com/archive/1/archive/1/430278/30/5790/threaded
BUGTRAQ 20060404 Linux Kernel Local DoS vulnerability.
http://xforce.iss.net/xforce/xfdb/25712
XF linux-systimercreate-dos(25712)
http://securityreason.com/securityalert/2287
SREASON 2287

- Metasploit Modules Related To CVE-2006-7051

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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