Home / vulnerabilities Secunia Security Advisory 43522
Posted on 24 March 2011
Source : packetstormsecurity.org Link
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TITLE:
Linux Kernel epoll Denial of Service Vulnerability
SECUNIA ADVISORY ID:
SA43522
VERIFY ADVISORY:
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http://secunia.com/advisories/43522/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=43522
RELEASE DATE:
2011-03-24
DISCUSS ADVISORY:
http://secunia.com/advisories/43522/#comments
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http://secunia.com/advisories/43522/
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DESCRIPTION:
A vulnerability has been discovered in the Linux Kernel, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).
The vulnerability is caused due to an error within the epoll
implementation, which can be exploited to cause a high CPU
consumption via nested epoll structures.
The vulnerability is confirmed in version 2.6.37. Other versions may
also be affected.
SOLUTION:
Restrict access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
Nelson Elhage
ORIGINAL ADVISORY:
http://thread.gmane.org/gmane.linux.kernel/1105744
OTHER REFERENCES:
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DEEP LINKS:
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EXTENDED DESCRIPTION:
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EXTENDED SOLUTION:
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EXPLOIT:
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