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CVE-2017-10914

Published: 5 July 2017

The grant-table feature in Xen through 4.8.x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
trusty
Released (4.4.2-0ubuntu0.14.04.12)
upstream Needs triage

xenial
Released (4.6.5-0ubuntu1.2)
yakkety
Released (4.7.2-0ubuntu1.3)
zesty
Released (4.8.0-1ubuntu2.2)
Binaries built from this source package are in Universe and so are supported by the community.

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H