{"id":"CVE-2023-4385","details":"A NULL pointer dereference flaw was found in dbFree in fs/jfs/jfs_dmap.c in the journaling file system (JFS) in the Linux Kernel. This issue may allow a local attacker to crash the system due to a missing sanity check.","modified":"2026-03-13T07:44:39.429486Z","published":"2023-08-16T17:15:11.327Z","related":["SUSE-SU-2023:3601-1","SUSE-SU-2023:3680-1","SUSE-SU-2023:3681-1","SUSE-SU-2023:3684-1","SUSE-SU-2023:3687-1","SUSE-SU-2023:3705-1","SUSE-SU-2023:3785-1","SUSE-SU-2023:4028-1"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2023-4385"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2219272"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/0d4837fdb796f99369cf7691d33de1b856bcaf1f"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"5.18.19"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-4385.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"}]}