Description
Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.
References (8)
Core 8
Core References
Patch, Third Party Advisory x_refsource_confirm
https://support.citrix.com/article/CTX225941
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-228.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100346
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3969
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/08/15/3
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1477651
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201801-14
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039175
Scores
CVSS v3
7.8
EPSS
0.0002
EPSS Percentile
5.2%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-362
Status
published
Products (21)
citrix/xenserver
6.0.2
citrix/xenserver
6.2.0
citrix/xenserver
6.5
citrix/xenserver
7.0
citrix/xenserver
7.1
citrix/xenserver
7.2
debian/debian_linux
8.0
debian/debian_linux
9.0
xen/xen
4.6.0
xen/xen
4.6.1
... and 11 more
Published
Aug 24, 2017
Tracked Since
Feb 18, 2026