{"action":"Upgrade linux to 6.5.6-1 or later.","affected":[{"fixed":"6.5.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.5.6-1"],"id":"tcs_01M5NJ6Y5CE9J13MEM55QF5YB9","modified_at":"2026-10-26T18:01:59.734012508Z","published_at":"2023-10-09T18:15:10.160Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-39189","https://security-tracker.debian.org/tracker/CVE-2023-39189"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-39189#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-39189"}],"summary":"A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NE"}