{"id":"CVE-2020-8992","details":"ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.","modified":"2026-03-13T00:45:58.796348Z","published":"2020-02-14T05:15:13.667Z","related":["SUSE-SU-2020:0511-1","SUSE-SU-2020:0558-1","SUSE-SU-2020:0559-1","SUSE-SU-2020:0560-1","SUSE-SU-2020:0580-1","SUSE-SU-2020:0584-1","SUSE-SU-2020:0649-1","SUSE-SU-2020:0667-1","SUSE-SU-2020:0688-1","SUSE-SU-2020:1255-1","SUSE-SU-2020:1275-1","SUSE-SU-2020:1663-1","openSUSE-SU-2020:0336-1"],"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200313-0003/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4318-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4324-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4342-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4344-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4419-1/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html"},{"type":"FIX","url":"https://patchwork.ozlabs.org/patch/1236118/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.5.3"}]},{"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"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-8992.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}