CVE-2016-7092

Published: 21 September 2016

The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.

Priority

Cvss 3 Severity Score

8.2

Score breakdown

Status

Package	Release	Status
xen Launchpad, Ubuntu, Debian	precise	Released (4.1.6.1-0ubuntu0.12.04.12)
	trusty	Released (4.4.2-0ubuntu0.14.04.7)
	upstream	Needed
	xenial	Released (4.6.0-1ubuntu4.2)
	Binaries built from this source package are in Universe and so are supported by the community.

Severity score breakdown

Parameter	Value
Base score	8.2
Attack vector	Local
Attack complexity	Low
Privileges required	High
User interaction	None
Scope	Changed
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

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