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Last updated: 9/20/2014 10:09:19 PM

CVE Publication rate: 29.77

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Vulnerability Workload Index: 9.45
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National Cyber Awareness System

Vulnerability Summary for CVE-2012-3375

Original release date: 10/03/2012
Last revised: 08/17/2013
Source: US-CERT/NIST

Overview

The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLL_CTL_ADD operations, which allows local users to cause a denial of service (file-descriptor consumption and system crash) via a crafted application that attempts to create a circular epoll dependency. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1083.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.9 (MEDIUM) (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

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=13d518074a952d33d47c428419693f63389547e9
Type: Patch Information
External Source: CONFIRM
Name: https://downloads.avaya.com/css/P8/documents/100165733
External Source: UBUNTU
Name: USN-1529-1
External Source: SECUNIA
Name: 51164
External Source: CONFIRM
Name: https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=837502
External Source: SECTRACK
Name: 1027237
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
External Source: MLIST
Name: [oss-security] 20120704 Re: CVE Request -- kernel: epoll: can leak file descriptors when returning -ELOOP

Vulnerable software and versions

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Collapse Configuration 1Configuration 1
Collapse OROR
* cpe:/o:linux:linux_kernel:3.2.23 and previous versions
* cpe:/o:linux:linux_kernel:3.2.22
* cpe:/o:linux:linux_kernel:3.2.21
* cpe:/o:linux:linux_kernel:3.2.20
* cpe:/o:linux:linux_kernel:3.2.19
* cpe:/o:linux:linux_kernel:3.2.18
* cpe:/o:linux:linux_kernel:3.2.17
* cpe:/o:linux:linux_kernel:3.2.16
* cpe:/o:linux:linux_kernel:3.2.15
* cpe:/o:linux:linux_kernel:3.2.14
* cpe:/o:linux:linux_kernel:3.2.13
* cpe:/o:linux:linux_kernel:3.2.12
* cpe:/o:linux:linux_kernel:3.2.11
* cpe:/o:linux:linux_kernel:3.2.10
* cpe:/o:linux:linux_kernel:3.2.9
* cpe:/o:linux:linux_kernel:3.2.8
* cpe:/o:linux:linux_kernel:3.2.7
* cpe:/o:linux:linux_kernel:3.2.6
* cpe:/o:linux:linux_kernel:3.2.5
* cpe:/o:linux:linux_kernel:3.2.4
* cpe:/o:linux:linux_kernel:3.2.3
* cpe:/o:linux:linux_kernel:3.2.2
* cpe:/o:linux:linux_kernel:3.2.1
* cpe:/o:linux:linux_kernel:3.1.10
* cpe:/o:linux:linux_kernel:3.1.9
* cpe:/o:linux:linux_kernel:3.1.8
* cpe:/o:linux:linux_kernel:3.1.7
* cpe:/o:linux:linux_kernel:3.1.6
* cpe:/o:linux:linux_kernel:3.1.5
* cpe:/o:linux:linux_kernel:3.1.4
* cpe:/o:linux:linux_kernel:3.1.3
* cpe:/o:linux:linux_kernel:3.1.2
* cpe:/o:linux:linux_kernel:3.1.1
* cpe:/o:linux:linux_kernel:3.0.27
* cpe:/o:linux:linux_kernel:3.0.26
* cpe:/o:linux:linux_kernel:3.0.25
* cpe:/o:linux:linux_kernel:3.0.4
* cpe:/o:linux:linux_kernel:3.0.3
* cpe:/o:linux:linux_kernel:3.0.2
* cpe:/o:linux:linux_kernel:3.0.1
* cpe:/o:linux:linux_kernel:3.0.34
* cpe:/o:linux:linux_kernel:3.0.5
* cpe:/o:linux:linux_kernel:3.0.32
* cpe:/o:linux:linux_kernel:3.0.33
* cpe:/o:linux:linux_kernel:3.0.7
* cpe:/o:linux:linux_kernel:3.0.30
* cpe:/o:linux:linux_kernel:3.0.6
* cpe:/o:linux:linux_kernel:3.0.31
* cpe:/o:linux:linux_kernel:3.0.9
* cpe:/o:linux:linux_kernel:3.0.28
* cpe:/o:linux:linux_kernel:3.0.8
* cpe:/o:linux:linux_kernel:3.0.29
* cpe:/o:linux:linux_kernel:3.0.24
* cpe:/o:linux:linux_kernel:3.0.22
* cpe:/o:linux:linux_kernel:3.0.23
* cpe:/o:linux:linux_kernel:3.0.20
* cpe:/o:linux:linux_kernel:3.0.21
* cpe:/o:linux:linux_kernel:3.0.18
* cpe:/o:linux:linux_kernel:3.0.19
* cpe:/o:linux:linux_kernel:3.0.16
* cpe:/o:linux:linux_kernel:3.0.17
* cpe:/o:linux:linux_kernel:3.0.14
* cpe:/o:linux:linux_kernel:3.0.15
* cpe:/o:linux:linux_kernel:3.0.12
* cpe:/o:linux:linux_kernel:3.0.13
* cpe:/o:linux:linux_kernel:3.0.10
* cpe:/o:linux:linux_kernel:3.0.11
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)