Vulnerability Monitor

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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.

Security Impact Summary

CVE-2012-6657 is a security vulnerability that . Impacting 2 products from linux, from novell organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-09-28T10:55:10.033

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	≤ 3.5.6	Yes
Operating System	linux	linux_kernel	3.5.1	Yes
Operating System	linux	linux_kernel	3.5.2	Yes
Operating System	linux	linux_kernel	3.5.3	Yes
Operating System	linux	linux_kernel	3.5.4	Yes
Operating System	linux	linux_kernel	3.5.5	Yes
Operating System	novell	suse_linux_enterprise_server	10.0	Yes
Operating System	novell	suse_linux_enterprise_server	11.0	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html ([email protected])
http://marc.info/?l=bugtraq&m=142722450701342&w=2 ([email protected])
http://marc.info/?l=bugtraq&m=142722544401658&w=2 ([email protected])
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2014/09/15/8 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1141742 ([email protected])
https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582 Exploit ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=142722450701342&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=142722544401658&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/09/15/8 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1141742 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582 Exploit (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.