CVE-2017-14319

CVE Details

Release Date:	2017-09-12
Impact:	Important	What is this?

Description

A grant unmapping issue was discovered in Xen through 4.9.x. Whenremoving or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were taken into account.

See more information about CVE-2017-14319 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 VM version 3.2 (xen)	OVMSA-2017-0159	2017-10-24
Oracle VM version 3.3 (xen)	OVMSA-2017-0158	2017-10-24
Oracle VM version 3.4 (xen)	OVMSA-2017-0157	2017-10-24