{"action":"Upgrade linux to 5.14.16-1 or later.","affected":[{"fixed":"5.14.16-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.14.16-1"],"id":"tcs_01M5NG1ZEXNNH8D1TY1KC6CYH9","modified_at":"2026-10-23T18:04:16.880626529Z","published_at":"2024-06-20T12:15:10.447Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-4439","https://security-tracker.debian.org/tracker/CVE-2021-4439"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-4439#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-4439"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: isdn: cpai: check ctr->cnr to avoid array index out of bound The cmtp_add_connection() would add a cmtp session to a controller and"}