{"id":"CVE-2017-18241","details":"fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure.","modified":"2026-03-12T22:36:57.378057Z","published":"2018-03-21T16:29:00.200Z","related":["SUSE-SU-2018:1772-1","SUSE-SU-2018:1816-1","SUSE-SU-2018:1855-1","SUSE-SU-2018:1855-2"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3910-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3910-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4187"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4188"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-18241.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.13"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}