CVE-2016-9382

CVE Details

Release Date:	2016-11-22
Impact:	Moderate	What is this?

Description

Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode,which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.

See more information about CVE-2016-9382 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:	4.6
Vector String:	AV:N/AC:H/Au:S/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	High
Authentication:	Single
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle VM version 3.2 (xen)	OVMSA-2016-0166	2016-11-22
Oracle VM version 3.3 (xen)	OVMSA-2016-0165	2016-11-22
Oracle VM version 3.4 (xen)	OVMSA-2016-0164	2016-11-22