{"action":"Upgrade linux to 6.12.85-1 or later.","affected":[{"fixed":"6.12.85-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.85-1"],"id":"tcs_01M5NR3FP49BC96K0CD3KAYXYQ","modified_at":"2026-10-15T09:47:42.468022455Z","published_at":"2026-04-03T16:16:25.737Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-23439","https://security-tracker.debian.org/tracker/CVE-2026-23439"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-23439#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-23439"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: fix NULL deref caused by udp_sock_create6 when CONFIG_IPV6=n When CONFIG_IPV6 is disabled, the udp_sock_create6() functi"}