Description
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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038722
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201708-03
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3969
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/99411
Mailing List, Vendor Advisory x_refsource_confirm
https://xenbits.xen.org/xsa/advisory-218.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201710-17
Scores
CVSS v3
8.1
EPSS
0.0060
EPSS Percentile
69.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
CWE-415
Status
published
Products (1)
xen/xen
< 4.8.1
Published
Jul 05, 2017
Tracked Since
Feb 18, 2026