SUSE-SU-2015:1853-1

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SUSE-SU-2015:1853-1

Summary: Security update for xen

Details: xen was updated to fix nine 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-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165). - 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). These non-security issues were fixed: - bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed - bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC - bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed - bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed - bsc#941074: Device 51728 could not be connected. Hotplug scripts not working

References: https://www.suse.com/support/update/announcement/2015/suse-su-20151853-1/, https://bugzilla.suse.com/877642, https://bugzilla.suse.com/907514, https://bugzilla.suse.com/910258, https://bugzilla.suse.com/918984, https://bugzilla.suse.com/923967, https://bugzilla.suse.com/932267, https://bugzilla.suse.com/941074, https://bugzilla.suse.com/944463, https://bugzilla.suse.com/944697, https://bugzilla.suse.com/947165, https://bugzilla.suse.com/950367, https://bugzilla.suse.com/950703, https://bugzilla.suse.com/950705, https://bugzilla.suse.com/950706, https://www.suse.com/security/cve/CVE-2014-0222, https://www.suse.com/security/cve/CVE-2015-4037, https://www.suse.com/security/cve/CVE-2015-5239, https://www.suse.com/security/cve/CVE-2015-6815, https://www.suse.com/security/cve/CVE-2015-7311, https://www.suse.com/security/cve/CVE-2015-7835, https://www.suse.com/security/cve/CVE-2015-7969, https://www.suse.com/security/cve/CVE-2015-7971