National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2012-6657 Detail

Description

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.

Source:  MITRE
Description Last Modified:  09/28/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e10986d1d698140747fcfc2761ec9cb64c1d582 Exploit
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
http://marc.info/?l=bugtraq&m=142722450701342&w=2
http://marc.info/?l=bugtraq&m=142722544401658&w=2
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 Vendor Advisory
http://www.openwall.com/lists/oss-security/2014/09/15/8
https://bugzilla.redhat.com/show_bug.cgi?id=1141742
https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582 Exploit

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.5.6

Configuration 2 ( hide )
 cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-6657
NVD Published Date:
09/28/2014
NVD Last Modified:
08/22/2016