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Category:   Application (Generic)  >   QEMU Vendors:   QEMU.org
QEMU Memory Access Error in VIRTIO_GPU_CMD_GET_CAPSET Command Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System
SecurityTracker Alert ID:  1037525
SecurityTracker URL:  http://securitytracker.com/id/1037525
CVE Reference:   CVE-2016-10028   (Links to External Site)
Date:  Dec 23 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in QEMU. 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 supply a specially crafted VIRTIO_GPU_CMD_GET_CAPSET command to trigger a memory access error and cause the Qemu process to crash.

Systems built with Virtio GPU Device emulator support are affected.

Impact:   A local user on the guest system can cause denial of service conditions on the host system.
Solution:   A proposed fix is available at:

https://lists.gnu.org/archive/html/qemu-devel/2016-12/msg01903.html

Vendor URL:  wiki.qemu.org/Main_Page (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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