{"id":"CVE-2018-10840","details":"Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.","modified":"2026-03-15T22:18:20.320822Z","published":"2018-07-16T20:29:00.377Z","related":["CGA-wx2w-7gqg-c45f","MGASA-2018-0324","MGASA-2018-0340","MGASA-2018-0341"],"references":[{"type":"ADVISORY","url":"https://usn.ubuntu.com/3752-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3752-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3752-3/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/104858"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0162"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-10840.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}