{"action":"Upgrade linux to 4.4.2-1 or later.","affected":[{"fixed":"4.4.2-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.4.2-1"],"id":"tcs_01M5NBHHGC4SC45YSSPF9BP4A1","modified_at":"2026-09-22T07:01:52.371382626Z","published_at":"2016-04-27T17:59:18.990Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-2549","https://security-tracker.debian.org/tracker/CVE-2016-2549"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-2549","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-2549"}],"summary":"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."}