{"action":"Upgrade linux to 5.4.6-1 or later.","affected":[{"fixed":"5.4.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.4.6-1"],"id":"tcs_01M5NE2T1XSET915VRW9S1REE7","modified_at":"2026-09-21T07:02:53.841759370Z","published_at":"2019-12-08T01:15:10.383Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19447","https://security-tracker.debian.org/tracker/CVE-2019-19447"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19447","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19447"}],"summary":"In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orph"}