CVE-2012-2136

CVE Details

Release Date:

2012-08-09

Description

The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.

See more information about CVE-2012-2136 from MITRE CVE dictionary and NIST NVD

CVSS v2.0 metrics

NOTE: The following CVSS v2.0 metrics and score provided are preliminary and subject to review.

Base Score:	7.2	Base Metrics:	AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector:	Local network	Attack Complexity:	Low
Authentication:	None required	Confidentiality Impact:	Complete
Integrity Impact:	Complete	Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel)	ELSA-2012-0690	2012-05-30
Oracle Linux version 5 (kernel)	ELSA-2012-0690-1	2012-05-30
Oracle Linux version 5 (kernel-uek)	ELSA-2012-2020	2012-06-19
Oracle Linux version 5 (mlnx_en-2.6.32-300.27.1.el5uek)	ELSA-2012-2020	2012-06-19
Oracle Linux version 5 (ocfs2-2.6.18-308.8.1.0.1.el5)	ELSA-2012-0690-1	2012-05-30
Oracle Linux version 5 (ocfs2-2.6.18-308.8.1.el5)	ELSA-2012-0690	2012-05-30
Oracle Linux version 5 (ofa-2.6.32-300.27.1.el5uek)	ELSA-2012-2020	2012-06-19
Oracle Linux version 5 (oracleasm-2.6.18-308.8.1.0.1.el5)	ELSA-2012-0690-1	2012-05-30
Oracle Linux version 5 (oracleasm-2.6.18-308.8.1.el5)	ELSA-2012-0690	2012-05-30
Oracle Linux version 6 (kernel)	ELSA-2012-0743	2012-06-18
Oracle Linux version 6 (kernel-uek)	ELSA-2012-2020	2012-06-19
Oracle Linux version 6 (mlnx_en-2.6.32-300.27.1.el6uek)	ELSA-2012-2020	2012-06-19
Oracle Linux version 6 (ofa-2.6.32-300.27.1.el6uek)	ELSA-2012-2020	2012-06-19

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team