CVE-2016-4569: The snd_timer_user_params function in sound/core/timer.c in the Linux kernel through 4.6 does not initializ...

Security readout for executives and security teams

CVE-2016-4569 is a Linux kernel information leak in the ALSA timer interface. A local user could cause the kernel to expose data from stack memory. The business risk is mainly on shared or multi-user Linux systems, where leaked kernel memory could support further attacks. Exposure is limited to Linux systems running affected kernels or distro kernels that had not yet received vendor backports. Risk is higher where untrusted users have local accounts or workloads with access to the ALSA timer interface. Treat this as a routine but real kernel patching item, not an internet-wide emergency. Prioritize environments with shared Linux access, hosting, research, or build systems where local users are not fully trusted. Mitigation focus: Apply kernel updates from the relevant Linux distribution advisory.; Reboot systems so the fixed kernel is actually running.; Prioritize shared, multi-user, and workload-hosting Linux systems..

Prepared

Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.