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Category:   Application (Generic)  >   Xen Vendors:   Xen Project
Xen Memory Leak Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System
SecurityTracker Alert ID:  1037847
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Feb 16 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.4.x, 4.5.x, 4.6.x, 4.7.x, 4.8.x
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 a guest system without a pass-through device can repeatedly reboot the guest system to trigger a memory leak and consume excessive memory on the host system.

ARM systems and x86 AMD systems are affected.

Oleksandr Tyshchenko of EPAM Systems reported this vulnerability.

Impact:   A local user on the guest system can consume excessive memory on the host system.
Solution:   The vendor has issued a fix (xsa207-4.4.patch and xsa207.patch).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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