CVE-2011-4110

CVE Details

Release Date:	2012-01-27
Impact:	Moderate	What is this?

Description

The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and updating a negative key into a fully instantiated key.

See more information about CVE-2011-4110 from MITRE CVE dictionary and NIST NVD

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

CVSS v2 metrics

Base Score:	2.1
Vector String:	AV:L/AC:L/Au:N/C:N/I:N/A:P
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel)	ELSA-2011-1479	2011-11-29
Oracle Linux version 5 (kernel-uek)	ELSA-2011-2037	2011-12-14
Oracle Linux version 5 (ocfs2-2.6.18-274.12.1.0.1.el5)	ELSA-2011-1479	2011-11-29
Oracle Linux version 5 (ofa-2.6.32-300.3.1.el5uek)	ELSA-2011-2037	2011-12-14
Oracle Linux version 5 (oracleasm-2.6.18-274.12.1.0.1.el5)	ELSA-2011-1479	2011-11-29
Oracle Linux version 6 (kernel)	ELSA-2011-1530	2011-12-14
Oracle Linux version 6 (kernel-uek)	ELSA-2011-2037	2011-12-14
Oracle Linux version 6 (ofa-2.6.32-300.3.1.el6uek)	ELSA-2011-2037	2011-12-14