{"id":"CVE-2018-18690","details":"In the Linux kernel before 4.17, a local attacker able to set attributes on an xfs filesystem could make this filesystem non-operational until the next mount by triggering an unchecked error condition during an xfs attribute change, because xfs_attr_shortform_addname in fs/xfs/libxfs/xfs_attr.c mishandles ATTR_REPLACE operations with conversion of an attr from short to long form.","modified":"2026-03-15T22:19:37.828545Z","published":"2018-10-26T18:29:00.227Z","related":["SUSE-SU-2018:3688-1","SUSE-SU-2018:3689-1","SUSE-SU-2018:3773-1","SUSE-SU-2019:0095-1","SUSE-SU-2019:0439-1","SUSE-SU-2019:1289-1"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3847-3/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3848-1/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3849-2/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/105753"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3848-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3849-1/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=1105025"},{"type":"REPORT","url":"https://bugzilla.kernel.org/show_bug.cgi?id=199119"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/7b38460dc8e4eafba06c78f8e37099d3b34d473c"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7b38460dc8e4eafba06c78f8e37099d3b34d473c"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18690.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.17"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"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":"8.0"}]}]}}],"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"}]}