National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-7051 Detail

Description

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.

Source:  MITRE      Last Modified:  02/23/2007

Quick Info

CVE Dictionary Entry:
CVE-2006-7051
Original release date:
02/23/2007
Last revised:
10/10/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (03/14/2007)

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.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://securityreason.com/securityalert/2287 External Source SREASON 2287
http://www.securityfocus.com/archive/1/archive/1/430278/30/5790/threaded Exploit External Source BUGTRAQ 20060404 Linux Kernel Local DoS vulnerability.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25712 External Source XF linux-systimercreate-dos(25712)
https://www.exploit-db.com/exploits/1657 External Source EXPLOIT-DB 1657

Technical Details

Vulnerability Type (View All)

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