CVE-2016-9794: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Race condition in the snd_pcm_period_elapsed function in sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel before 4.7 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted SNDRV_PCM_TRIGGER_START command.

Affected products

• Linux Linux Kernel: before 3.2.85 (fixed in 3.2.85); from 3.3, before 3.10.105 (fixed in 3.10.105); from 3.11, before 3.12.69 (fixed in 3.12.69); from 3.13, before 3.16.40 (fixed in 3.16.40); from 3.17, before 3.18.52 (fixed in 3.18.52); from 3.19, before 4.4.37 (fixed in 4.4.37); …

Published 2016-12-28. Last modified 2026-06-17.