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





Category:   Application (Generic)  >   Xen Vendors:   Xen Project
Xen HLE XACQUIRE Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System
SecurityTracker Alert ID:  1042091
SecurityTracker URL:  http://securitytracker.com/id/1042091
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Nov 13 2018
Impact:   Denial of service via network
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.

A local user on the guest system can invoke a HLE transaction with the XACQUIRE prefix on the host physical memory range covering the first 4 MiB starting at the 1GiB boundary to cause denial of service conditions on the host system.

Intel based x86 systems are affected.

AMD x86 systems are not affected.

Arm systems are not affected.

Impact:   A local user on the guest system can cause denial of service conditions on the host system.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://xenbits.xen.org/xsa/advisory-282.html

Vendor URL:  xenbits.xen.org/xsa/advisory-282.html (Links to External Site)
Cause:   Access control 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

This web site uses cookies for web analytics. Learn More

Copyright 2018, SecurityGlobal.net LLC