CVE-2016-1570

CVE Details

Release Date:	2016-01-20
Impact:	Important	What is this?

Description

The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1,and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.

See more information about CVE-2016-1570 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:	6.0
Vector String:	AV:N/AC:M/Au:S/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Medium
Authentication:	Single
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle VM version 3.2 (xen)	OVMSA-2016-0008	2016-01-25
Oracle VM version 3.3 (xen)	OVMSA-2016-0007	2016-01-25