SecurityTracker.com
Keep Track of the Latest Vulnerabilities
with SecurityTracker!
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 
Sign Up
Sign Up for Your FREE Weekly SecurityTracker E-mail Alert Summary
Instant Alerts
Buy our Premium Vulnerability Notification Service to receive customized, instant alerts
Affiliates
Put SecurityTracker Vulnerability Alerts on Your Web Site -- It's Free!
Partners
Become a Partner and License Our Database or Notification Service
Report a Bug
Report a vulnerability that you have found to SecurityTracker
bugs
@
securitytracker.com






Category:   Application (Generic)  >   Xen Vendors:   Xen Project
Xen hugetlbfs Support Lets Local Users on a Guest System Cause Denial of Service Conditions on the Guest System
SecurityTracker Alert ID:  1035569
SecurityTracker URL:  http://securitytracker.com/id/1035569
CVE Reference:   CVE-2016-3961   (Links to External Site)
Date:  Apr 14 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.5.x
Description:   A vulnerability was reported in Xen. A local user on the guest system can cause denial of service conditions on the guest system.

A local user on the guest system can run a specially crafted program that invokes hugetlbfs functions to trigger an infinite page fault loop and potentially cause the guest system to crash.

x86 Linux systems running as PV Xen guests are affected.

ARM systems are not affected.

x86 HVM guests are not affected.

Vitaly Kuznetsov from Red Hat reported this vulnerability.

Impact:   A local user on the guest system can cause the guest system to crash.
Solution:   The vendor has issued a fix (xsa174.patch).

The vendor's advisory is available at:

http://xenbits.xen.org/xsa/advisory-174.html

Vendor URL:  xenbits.xen.org/xsa/advisory-174.html (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any)

Message History:   None.


 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

Copyright 2017, SecurityGlobal.net LLC