CVE-2017-10923

MEDIUM

Xen through 4.8.x - Denial of Service via Invalid vCPU Array Index in SGI Handling

Title source: llm

Description

Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.

References (4)

Core 4

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1038735

Tool Signature, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/99160

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/201708-03

Mailing List, Mitigation, Vendor Advisory x_refsource_confirm

https://xenbits.xen.org/xsa/advisory-225.html

Scores

CVSS v3 6.5

EPSS 0.0078

EPSS Percentile 73.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-20

Status published

Products (8)

xen/xen 4.6.0

xen/xen 4.6.1

xen/xen 4.6.2

xen/xen 4.6.4

xen/xen 4.6.5

xen/xen 4.7.1

xen/xen 4.8.0

xen/xen 4.8.1

Published Jul 05, 2017

Tracked Since Feb 18, 2026