{"id":"CVE-2017-17807","details":"The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's \"default request-key keyring\" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.","modified":"2026-03-15T22:15:33.917699Z","published":"2017-12-20T23:29:00.423Z","references":[{"type":"WEB","url":"https://usn.ubuntu.com/3617-3/"},{"type":"WEB","url":"https://usn.ubuntu.com/3632-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3620-1/"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/01/msg00004.html"},{"type":"WEB","url":"https://usn.ubuntu.com/3620-2/"},{"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/3619-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-4073"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4082"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/102301"},{"type":"REPORT","url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.6"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4dca6ea1d9432052afb06baf2e3ae78188a4410b"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/4dca6ea1d9432052afb06baf2e3ae78188a4410b"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"4.14.6"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17807.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:N/I:L/A:N"}]}