{"id":"CVE-2019-19807","details":"In the Linux kernel before 5.3.11, sound/core/timer.c has a use-after-free caused by erroneous code refactoring, aka CID-e7af6307a8a5. This is related to snd_timer_open and snd_timer_close_locked. The timeri variable was originally intended to be for a newly created timer instance, but was used for a different purpose after refactoring.","modified":"2026-03-12T23:10:40.689660Z","published":"2019-12-15T23:15:11.023Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200103-0001/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4225-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4227-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4227-2/"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/e7af6307a8a54f0b873960b32b6a644f2d0fbd97"},{"type":"FIX","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e7af6307a8a54f0b873960b32b6a644f2d0fbd97"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-19807.json","unresolved_ranges":[{"events":[{"introduced":"4.9.199"},{"fixed":"4.9.201"}]},{"events":[{"introduced":"4.14.152"},{"fixed":"4.14.154"}]},{"events":[{"introduced":"4.19.82"},{"fixed":"4.19.84"}]},{"events":[{"introduced":"5.2"},{"fixed":"5.3.11"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.10"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}