{"id":"CVE-2017-17450","details":"net/netfilter/xt_osf.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for add_callback and remove_callback operations, which allows local users to bypass intended access restrictions because the xt_osf_fingers data structure is shared across all net namespaces.","modified":"2026-03-15T22:24:04.339539Z","published":"2017-12-07T00:29:00.397Z","related":["SUSE-SU-2017:3398-1","SUSE-SU-2017:3410-1","SUSE-SU-2018:0011-1","SUSE-SU-2018:0031-1","SUSE-SU-2018:0040-1","SUSE-SU-2018:0115-1","SUSE-SU-2018:0180-1","SUSE-SU-2018:0213-1","openSUSE-SU-2024:10728-1","openSUSE-SU-2024:13704-1"],"references":[{"type":"WEB","url":"https://usn.ubuntu.com/3619-2/"},{"type":"WEB","url":"https://usn.ubuntu.com/3632-1/"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html"},{"type":"WEB","url":"https://usn.ubuntu.com/3583-2/"},{"type":"WEB","url":"https://usn.ubuntu.com/3617-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3617-2/"},{"type":"WEB","url":"https://usn.ubuntu.com/3619-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3583-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3617-3/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4082"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4073"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102110"},{"type":"ADVISORY","url":"https://lkml.org/lkml/2017/12/5/982"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.14.4"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17450.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}