CVE-2010-4247

CVE Details

Release Date:	2011-01-11
Impact:	Moderate	What is this?

Description

The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information.

See more information about CVE-2010-4247 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:	5.5
Vector String:	AV:A/AC:L/Au:S/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Adjacent Network
Attack Complexity:	Low
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel)	ELSA-2011-0004	2011-01-04
Oracle Linux version 5 (ocfs2-2.6.18-194.32.1.0.1.el5)	ELSA-2011-0004	2011-01-04
Oracle Linux version 5 (oracleasm-2.6.18-194.32.1.0.1.el5)	ELSA-2011-0004	2011-01-04