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Vulnerability Details : CVE-2012-6657

The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.
Publish Date : 2014-09-28 Last Update Date : 2016-08-22
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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 264

- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2014-1997 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:28612 unix
ELSA-2014-3108 -- Unbreakable Enterprise kernel security update (important) oval:org.mitre.oval:def:28647 unix
RHSA-2014:1997 -- kernel security and bug fix update (Important) oval:org.mitre.oval:def:27703 unix
RHSA-2014:1997: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20141997 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-2012-6657

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 3.5.1 Version Details Vulnerabilities
2 OS Linux Linux Kernel 3.5.2 Version Details Vulnerabilities
3 OS Linux Linux Kernel 3.5.3 Version Details Vulnerabilities
4 OS Linux Linux Kernel 3.5.4 Version Details Vulnerabilities
5 OS Linux Linux Kernel 3.5.5 Version Details Vulnerabilities
6 OS Linux Linux Kernel 3.5.6 Version Details Vulnerabilities
7 OS Novell Suse Linux Enterprise Server 10.0 SP4 ~~ltss~~~ Version Details Vulnerabilities
8 OS Novell Suse Linux Enterprise Server 11.0 SP1 ~~ltss~~~ Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 6
Novell Suse Linux Enterprise Server 2

- References For CVE-2012-6657

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e10986d1d698140747fcfc2761ec9cb64c1d582 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1141742 CONFIRM
https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582 CONFIRM
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 CONFIRM
http://www.openwall.com/lists/oss-security/2014/09/15/8
MLIST [oss-security] 20140915 Re: CVE request Linux kernel: net: guard tcp_set_keepalive against crash
http://marc.info/?l=bugtraq&m=142722450701342&w=2
HP HPSBGN03285
http://marc.info/?l=bugtraq&m=142722544401658&w=2
HP HPSBGN03282
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
SUSE SUSE-SU-2015:0812
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
SUSE SUSE-SU-2015:0652

- Metasploit Modules Related To CVE-2012-6657

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


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