Security update for xen

Open Source Vulnerabilities SUSE-SU-2015:2338-1

This update fixes the following security issues: - bsc#955399 - Fix xm migrate --log_progress. Due to logic error progress was not logged when requested. - bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list - bsc#956592 - xen: virtual PMU is unsupported (XSA-163) - bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159) - bsc#956409 - CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160) - bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162) - bsc#947165 - CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142) - bsc#955399 - Fix xm migrate --live. The options were not passed due to a merge error. As a result the migration was not live, instead the suspended guest was migrated. - bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception - bsc#954018 - CVE-2015-5307: xen: x86: CPU lockup during fault delivery (XSA-156) - bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150) - bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand balloon size inaccuracy can crash guests (XSA-153) - Drop 5604f239-x86-PV-properly-populate-descriptor-tables.patch - bsc#950703 - CVE-2015-7969: xen: leak of main per-domain vcpu pointer array (DoS) (XSA-149) - bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain profiling-related vcpu pointer array (DoS) (XSA-151) - bsc#950706 - CVE-2015-7971: xen: x86: some pmu and profiling hypercalls log without rate limiting (XSA-152)