Description
This update for xen to version 4.7.2 fixes the following issues:
These security issues were fixed:
- CVE-2017-7228: Broken check in memory_exchange() permited PV guest
breakout (bsc#1030442).
- XSA-206: Unprivileged guests issuing writes to xenstore were able to
stall progress of the control domain or driver domain, possibly leading
to a Denial of Service (DoS) of the entire host (bsc#1030144).
- CVE-2017-6505: The ohci_service_ed_list function in hw/usb/hcd-ohci.c
allowed local guest OS users to cause a denial of service (infinite loop) via vectors involving the number of link endpoint list descriptors (bsc#1028235).