{"action":"Upgrade linux to 6.17.6-1 or later.","affected":[{"fixed":"6.17.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.17.6-1"],"id":"tcs_01M5NNTAFBCFWR4YERGRGJ6AKZ","modified_at":"2026-10-23T18:04:36.431291710Z","published_at":"2025-12-04T16:16:17.100Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40240","https://security-tracker.debian.org/tracker/CVE-2025-40240"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40240#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40240"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk->skb pointer is dereferenced in the if-block where it's suppose"}