CVE-2016-2547: Linux Kernel

Medium severity, CVSS 5.1. EPSS: 0.3% chance of exploitation in the next 30 days.

sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.

Affected products

• Linux Linux Kernel: up to and including 4.4

Published 2016-04-27. Last modified 2026-06-17.