MS KB3108638: Update for Windows Hyper-V to Address CPU Weakness

Medium Nessus Plugin ID 86818


The remote Windows host is affected by multiple denial of service vulnerabilities.


The remote Windows host is affected by multiple denial of service vulnerabilities that can be triggered with certain central processing unit (CPU) chipsets. A local attacker with kernel-mode privileges on a Hyper-V guest can exploit this to cause all Hyper-V guests to become unresponsive.


Microsoft has released a set of patches for Windows 2008, 2008 R2, 8, 2012, 8.1, 2012 R2, and 10.

See Also

Plugin Details

Severity: Medium

ID: 86818

File Name: smb_kb3108638.nasl

Version: 1.8

Type: local

Agent: windows

Family: Windows

Published: 2015/11/10

Updated: 2018/11/15

Dependencies: 57033, 44871, 13855

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.9

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/11/10

Vulnerability Publication Date: 2015/11/10

Reference Information

CVE: CVE-2015-5307, CVE-2015-8104

IAVB: 2015-B-0136

MSKB: 3108638, 3105213, 3108604