Xen through 4.11.x Concurrent Execution using Shared Resource with Improper Synchronization (‘Race Condition’) Vulnerability
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users
The information has been provided by Jan Beulich
The original article can be found at:https://xenbits.xen.org/xsa/advisory-285.html
Cause a denial of service or gain privileges by leveraging a page-writability race condition during addition of a passed-through PCI device.
Xen through 4.11.x