sound/core/timer.c in the Linux kernel before 4.4.1 retains certain linked lists after a close or stop action, which allows local users to cause a denial of service (system crash) via a crafted ioctl call, related to the (1) snd_timer_close and (2) _snd_timer_stop functions.
openSUSE 13.2 SUSE Linux Enterprise Desktop 11 SP4 SUSE Linux Enterprise Desktop 12 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Module for Public Cloud 15 SP2 SUSE Linux Enterprise Real Time Extension 11 SP4 SUSE Linux Enterprise Server 11 SP1-TERADATA SUSE Linux Enterprise Server 11 SP2-LTSS SUSE Linux Enterprise Server 11 SP3-LTSS SUSE Linux Enterprise Server 11 SP3-TERADATA SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 11 SP1-TERADATA SUSE Linux Enterprise Server for SAP Applications 11 SP2-LTSS SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 11 SP3-TERADATA SUSE Linux Enterprise Server for SAP Applications 11 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Software Development Kit 11 SP4 SUSE Linux Enterprise Storage 7 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.1 SUSE OpenStack Cloud 5