{"action":"Upgrade linux to 4.13.4-2 or later.","affected":[{"fixed":"4.13.4-2","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.13.4-2"],"id":"tcs_01M5NBZDKA6S3KBQ8SRSACE893","modified_at":"2026-09-01T20:03:42.035304474Z","published_at":"2017-10-12T00:29:00.207Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-12192","https://security-tracker.debian.org/tracker/CVE-2017-12192"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-12192#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-12192"}],"summary":"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 instan"}