CVE-2017-12134

CVE Details

Release Date:	2017-08-15
Impact:	Moderate	What is this?

Description

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c inXen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.

See more information about CVE-2017-12134 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:	7.2
Vector String:	AV:L/AC:L/Au:N/C:C/I:C/A:C
Version:	2.0
Attack Vector:	Local
Attack Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Linux version 5 (kernel-uek)	ELSA-2017-3622	2017-09-20
Oracle Linux version 6 (dtrace-modules-3.8.13-118.19.7.el6uek)	ELSA-2017-3621	2017-09-20
Oracle Linux version 6 (dtrace-modules-4.1.12-103.3.8.el6uek)	ELSA-2017-3609	2017-08-23
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3609	2017-08-23
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3621	2017-09-20
Oracle Linux version 6 (kernel-uek)	ELSA-2017-3622	2017-09-20
Oracle Linux version 7 (dtrace-modules-3.8.13-118.19.7.el7uek)	ELSA-2017-3621	2017-09-20
Oracle Linux version 7 (dtrace-modules-4.1.12-103.3.8.el7uek)	ELSA-2017-3609	2017-08-23
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3609	2017-08-23
Oracle Linux version 7 (kernel-uek)	ELSA-2017-3621	2017-09-20
Oracle VM version 3.3 (kernel-uek)	OVMSA-2017-0152	2017-09-21
Oracle VM version 3.4 (kernel-uek)	OVMSA-2017-0145	2017-08-23