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CVE-2017-14319

Published: 12 September 2017

A grant unmapping issue was discovered in Xen through 4.9.x. When removing 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.

Priority

Medium

CVSS 3 base score: 8.8

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Does not exist

trusty Does not exist
(trusty was released [4.4.2-0ubuntu0.14.04.14])
xenial
Released (4.6.5-0ubuntu1.4)
zesty
Released (4.8.0-1ubuntu2.4)
Binaries built from this source package are in Universe and so are supported by the community.