CVE-2014-4654: The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kerne...

Security readout for executives and security teams

CVE-2014-4654 is a Linux kernel ALSA sound-control flaw. A local user with access to ALSA control devices could trigger removal of kernel sound controls and crash the system. This is primarily an availability risk, not a documented remote compromise path. Exposure is most likely on Linux systems running kernels before 3.15.2 or affected vendor kernels, where local users can access /dev/snd/controlC* ALSA control devices. Systems without exposed sound devices are less likely affected, but kernel and device access should be verified. Prioritize patching on shared Linux workstations, multi-user systems, and hosts where local users can access sound devices. This is not shown as internet-exploitable, but a reliable local crash can disrupt operations. Mitigation focus: Apply the relevant vendor kernel update for the affected distribution.; Confirm the running kernel includes the upstream fix for Linux 3.15.2 or vendor backport.; Review vendor advisories from Ubuntu, Red Hat, or SUSE for package-specific guidance..

Prepared

Jun 14, 2026, 13:53 UTC (UTC+00:00)

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