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Vulnerability Details : CVE-2012-3375

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.
Publish Date : 2012-10-03 Last Update Date : 2013-08-17
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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 Service
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.9
AV:L/AC:N/Au:N/C:N/I:N/A:C 2012-04-27 2012-03-27
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-1061 -- kernel security and bug fix update (moderate) oval:org.mitre.oval:def:27701 unix
ELSA-2012-1061-1 -- kernel security and bug fix update (moderate) oval:org.mitre.oval:def:27194 unix
ELSA-2012-2026 -- Unbreakable Enterprise kernel Security update (important) oval:org.mitre.oval:def:27735 unix
ELSA-2012:1061: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:23333 unix
RHSA-2012:1061: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:21242 unix
RHSA-2012:1061: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20121061 unix
SUSE-SU-2014:0287-1 -- Security update for Linux kernel oval:org.mitre.oval:def:24665 unix
USN-1529-1 -- linux vulnerabilities oval:org.mitre.oval:def:17909 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-3375

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.0.1 Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.0.2 Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.0.3 Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.0.4 Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.0.5 Version Details Vulnerabilities
6 OS Linux Linux Kernel 3.0.6 Version Details Vulnerabilities
7 OS Linux Linux Kernel 3.0.7 Version Details Vulnerabilities
8 OS Linux Linux Kernel 3.0.8 Version Details Vulnerabilities
9 OS Linux Linux Kernel 3.0.9 Version Details Vulnerabilities
10 OS Linux Linux Kernel 3.0.10 Version Details Vulnerabilities
11 OS Linux Linux Kernel 3.0.11 Version Details Vulnerabilities
12 OS Linux Linux Kernel 3.0.12 Version Details Vulnerabilities
13 OS Linux Linux Kernel 3.0.13 Version Details Vulnerabilities
14 OS Linux Linux Kernel 3.0.14 Version Details Vulnerabilities
15 OS Linux Linux Kernel 3.0.15 Version Details Vulnerabilities
16 OS Linux Linux Kernel 3.0.16 Version Details Vulnerabilities
17 OS Linux Linux Kernel 3.0.17 Version Details Vulnerabilities
18 OS Linux Linux Kernel 3.0.18 Version Details Vulnerabilities
19 OS Linux Linux Kernel 3.0.19 Version Details Vulnerabilities
20 OS Linux Linux Kernel 3.0.20 Version Details Vulnerabilities
21 OS Linux Linux Kernel 3.0.21 Version Details Vulnerabilities
22 OS Linux Linux Kernel 3.0.22 Version Details Vulnerabilities
23 OS Linux Linux Kernel 3.0.23 Version Details Vulnerabilities
24 OS Linux Linux Kernel 3.0.24 Version Details Vulnerabilities
25 OS Linux Linux Kernel 3.0.25 Version Details Vulnerabilities
26 OS Linux Linux Kernel 3.0.26 Version Details Vulnerabilities
27 OS Linux Linux Kernel 3.0.27 Version Details Vulnerabilities
28 OS Linux Linux Kernel 3.0.28 Version Details Vulnerabilities
29 OS Linux Linux Kernel 3.0.29 Version Details Vulnerabilities
30 OS Linux Linux Kernel 3.0.30 Version Details Vulnerabilities
31 OS Linux Linux Kernel 3.0.31 Version Details Vulnerabilities
32 OS Linux Linux Kernel 3.0.32 Version Details Vulnerabilities
33 OS Linux Linux Kernel 3.0.33 Version Details Vulnerabilities
34 OS Linux Linux Kernel 3.0.34 Version Details Vulnerabilities
35 OS Linux Linux Kernel 3.1.1 Version Details Vulnerabilities
36 OS Linux Linux Kernel 3.1.2 Version Details Vulnerabilities
37 OS Linux Linux Kernel 3.1.3 Version Details Vulnerabilities
38 OS Linux Linux Kernel 3.1.4 Version Details Vulnerabilities
39 OS Linux Linux Kernel 3.1.5 Version Details Vulnerabilities
40 OS Linux Linux Kernel 3.1.6 Version Details Vulnerabilities
41 OS Linux Linux Kernel 3.1.7 Version Details Vulnerabilities
42 OS Linux Linux Kernel 3.1.8 Version Details Vulnerabilities
43 OS Linux Linux Kernel 3.1.9 Version Details Vulnerabilities
44 OS Linux Linux Kernel 3.1.10 Version Details Vulnerabilities
45 OS Linux Linux Kernel 3.2.1 Version Details Vulnerabilities
46 OS Linux Linux Kernel 3.2.2 Version Details Vulnerabilities
47 OS Linux Linux Kernel 3.2.3 Version Details Vulnerabilities
48 OS Linux Linux Kernel 3.2.4 Version Details Vulnerabilities
49 OS Linux Linux Kernel 3.2.5 Version Details Vulnerabilities
50 OS Linux Linux Kernel 3.2.6 Version Details Vulnerabilities
51 OS Linux Linux Kernel 3.2.7 Version Details Vulnerabilities
52 OS Linux Linux Kernel 3.2.8 Version Details Vulnerabilities
53 OS Linux Linux Kernel 3.2.9 Version Details Vulnerabilities
54 OS Linux Linux Kernel 3.2.10 Version Details Vulnerabilities
55 OS Linux Linux Kernel 3.2.11 Version Details Vulnerabilities
56 OS Linux Linux Kernel 3.2.12 Version Details Vulnerabilities
57 OS Linux Linux Kernel 3.2.13 Version Details Vulnerabilities
58 OS Linux Linux Kernel 3.2.14 Version Details Vulnerabilities
59 OS Linux Linux Kernel 3.2.15 Version Details Vulnerabilities
60 OS Linux Linux Kernel 3.2.16 Version Details Vulnerabilities
61 OS Linux Linux Kernel 3.2.17 Version Details Vulnerabilities
62 OS Linux Linux Kernel 3.2.18 Version Details Vulnerabilities
63 OS Linux Linux Kernel 3.2.19 Version Details Vulnerabilities
64 OS Linux Linux Kernel 3.2.20 Version Details Vulnerabilities
65 OS Linux Linux Kernel 3.2.21 Version Details Vulnerabilities
66 OS Linux Linux Kernel 3.2.22 Version Details Vulnerabilities
67 OS Linux Linux Kernel 3.2.23 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 67

- References For CVE-2012-3375

http://www.openwall.com/lists/oss-security/2012/07/04/2
MLIST [oss-security] 20120704 Re: CVE Request -- kernel: epoll: can leak file descriptors when returning -ELOOP
http://secunia.com/advisories/51164
SECUNIA 51164
https://downloads.avaya.com/css/P8/documents/100165733 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=837502 CONFIRM
http://www.securitytracker.com/id?1027237
SECTRACK 1027237
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24 CONFIRM
http://ubuntu.com/usn/usn-1529-1
UBUNTU USN-1529-1
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=13d518074a952d33d47c428419693f63389547e9 CONFIRM
https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9 CONFIRM

- Metasploit Modules Related To CVE-2012-3375

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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