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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 : 2018-10-30
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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 |
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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
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Products Affected By CVE-2006-7051
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Number Of Affected Versions By Product
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References For CVE-2006-7051
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Metasploit Modules Related To CVE-2006-7051
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