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Last updated: 10/23/2014 1:51:14 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2005-3271

Original release date: 10/20/2005
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

Exec in Linux kernel 2.6 does not properly clear posix-timers in multi-threaded environments, which results in a resource leak and could allow a large number of multiple local users to cause a denial of service by using more posix-timers than specified by the quota for a single user.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 (LOW) (AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
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

References to Advisories, Solutions, and Tools

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External Source: MANDRAKE
Name: MDKSA-2005:219
External Source: CONFIRM
Name: http://linux.bkbits.net:8080/linux-2.6/cset@414b332fsZQvEUsfzKJIo-q2_ZH0hg
Type: Patch Information
External Source: MANDRIVA
Name: MDKSA-2005:219
External Source: BID
Name: 15533
External Source: SECUNIA
Name: 18056
External Source: UBUNTU
Name: USN-219-1
External Source: SECUNIA
Name: 17917
External Source: DEBIAN
Name: DSA-922
External Source: MANDRAKE
Name: MDKSA-2005:218
External Source: MLIST
Name: [linux-kernel] 20040911 [PATCH] exec: fix posix-timers leak and pending signal loss
Type: Advisory
External Source: SECUNIA
Name: 17826
External Source: SUSE
Name: SUSE-SA:2005:067

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