Security update for xen

Open Source Vulnerabilities SUSE-SU-2015:1952-1

xen was updated to fix eight security issues. These security issues were fixed: - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).