CVE-2017-10923

Publication date 5 July 2017

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
xen 17.04 zesty
Fixed 4.8.0-1ubuntu2.2
16.10 yakkety
Fixed 4.7.2-0ubuntu1.3
16.04 LTS xenial
Fixed 4.6.5-0ubuntu1.2
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Other references