SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (Generic)  >   Citrix XenServer Vendors:   Citrix
(Citrix Issues Fix for Citrix XenServer) Xen REP MOVS Acceleration Support Access Control Flaw Lets Local Guest Users Deny Service on the Host System
SecurityTracker Alert ID:  1031349
SecurityTracker URL:  http://securitytracker.com/id/1031349
CVE Reference:   CVE-2014-8867   (Links to External Site)
Date:  Dec 11 2014
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Xen. A local user on the guest system can cause denial of service conditions on the host system. Citrix XenServer is affected.

A local user on a guest system can exploit a memory access flaw in the acceleration support for the 'REP MOVS' instruction to cause the host system to crash.

x86 systems are affected. ARM systems are not affected.

Jan Beulich of SUSE reported this vulnerability.

Impact:   A local user on the guest system can cause denial of service conditions on the target host system.
Solution:   Citrix has issued a fix for XenServer.

For 6.0.0: CTX141721
For 6.0.2 Common Criteria: CTX141719
For 6.0.2: CTX141720
For 6.1: CTX141718
For 6.2 Service Pack 1: CTX141717

The Citrix advisory is available at:

http://support.citrix.com/article/CTX200288

Vendor URL:  www.xen.org/ (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Nov 28 2014 Xen REP MOVS Acceleration Support Access Control Flaw Lets Local Guest Users Deny Service on the Host System



 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2020, SecurityGlobal.net LLC