{"id":"CVE-2017-12192","details":"The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.","modified":"2026-03-12T22:33:54.828265Z","published":"2017-10-12T00:29:00.207Z","references":[{"type":"WEB","url":"https://usn.ubuntu.com/3583-1/"},{"type":"WEB","url":"https://usn.ubuntu.com/3583-2/"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:0151"},{"type":"ADVISORY","url":"https://lkml.org/lkml/2017/9/18/764"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1493435"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=37863c43b2c6464f252862bf2e9768264e961678"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/37863c43b2c6464f252862bf2e9768264e961678"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.13.4"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-12192.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:N/A:H"}]}