Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2012-6657

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
28/09/2014
Last modified:
12/04/2025

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.

Impact

Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.5.6 (including)
cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:*
cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools