CVE-2017-10918

CRITICAL

Xen < 4.8.1 - Privilege Escalation via P2M Memory Allocation

Title source: llm
STIX 2.1

Description

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038732
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 vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201710-17
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/99161
Mailing List, Mitigation, Third Party Advisory x_refsource_confirm
https://xenbits.xen.org/xsa/advisory-222.html

Scores

CVSS v3 10.0
EPSS 0.0167
EPSS Percentile 82.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
xen/xen < 4.8.1
Published Jul 05, 2017
Tracked Since Feb 18, 2026