CVE-2011-3638

CVE Details

Release Date:

2011-09-28

Description

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.

See more information about CVE-2011-3638 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:	4	Base Metrics:	AV:L/AC:H/Au:N/C:N/I:N/A:C
Access Vector:	Local network	Attack Complexity:	High
Authentication:	None required	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel)	ELSA-2012-0107	2012-02-09
Oracle Linux version 5 (kernel-uek)	ELSA-2011-2037	2011-12-14
Oracle Linux version 5 (ocfs2-2.6.18-274.18.1.0.1.el5)	ELSA-2012-0107	2012-02-09
Oracle Linux version 5 (ofa-2.6.32-300.3.1.el5uek)	ELSA-2011-2037	2011-12-14
Oracle Linux version 5 (oracleasm-2.6.18-274.18.1.0.1.el5)	ELSA-2012-0107	2012-02-09
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

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