{"action":"Upgrade linux to 4.9.6-1 or later.","affected":[{"fixed":"4.9.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.9.6-1"],"id":"tcs_01M5NCF4Z83XAVTRSACJ34JYVC","modified_at":"2026-09-01T20:03:48.480221550Z","published_at":"2017-02-06T06:59:00.717Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-5551","https://security-tracker.debian.org/tracker/CVE-2017-5551"],"severity":{"label":"medium","score":4.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-5551#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-5551"}],"summary":"The simple_set_acl function in fs/posix_acl.c in the Linux kernel before 4.9.6 preserves the setgid bit during a setxattr call involving a tmpfs filesystem, which allows local users to gain group priv"}