openSUSE Leap 15.1: Important Security Update for Xen Issues

This update for xen fixes the following issues:

- CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm

(bsc#1158003 XSA-307).

- CVE-2019-19582: Fixed a potential infinite loop when x86 accesses to

bitmaps with a compile time known size of 64 (bsc#1158003 XSA-307).

- CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH

guest userspace code to crash the guest,leading to a guest denial of

service (bsc#1158004 XSA-308).

- CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could

have caused hypervisor crash resulting in denial of service affecting

the entire host (bsc#1158005 XSA-309).

- CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest

administrator could have been able to escalate their privilege to that

of the host (bsc#1158006 XSA-310).

- CVE-2019-19577: Fixed an issue where a malicious guest administrator

could have caused Xen to access data structures...