CVE-2016-2549: Linux Kernel

Medium severity, CVSS 6.2. EPSS: 0.5% chance of exploitation in the next 30 days.

sound/core/hrtimer.c in the Linux kernel before 4.4.1 does not prevent recursive callback access, which allows local users to cause a denial of service (deadlock) 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.