{"id":"CVE-2017-17448","details":"net/netfilter/nfnetlink_cthelper.c in the Linux kernel through 4.14.4 does not require the CAP_NET_ADMIN capability for new, get, and del operations, which allows local users to bypass intended access restrictions because the nfnl_cthelper_list data structure is shared across all net namespaces.","modified":"2026-03-15T22:15:31.625619Z","published":"2017-12-07T00:29:00.317Z","related":["SUSE-SU-2017:3398-1","SUSE-SU-2017:3410-1","SUSE-SU-2018:0031-1","SUSE-SU-2018:0115-1","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/3620-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3632-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3617-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3617-3/"},{"type":"WEB","url":"https://usn.ubuntu.com/3619-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3617-2/"},{"type":"WEB","url":"https://usn.ubuntu.com/3620-2/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102117"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4082"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0654"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0676"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:1062"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4073"},{"type":"FIX","url":"https://patchwork.kernel.org/patch/10089373/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17448.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.14.4"}]}]}}],"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"}]}