{"action":"Upgrade linux to 6.12.16-1 or later.","affected":[{"fixed":"6.12.16-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.16-1"],"id":"tcs_01M5NN1KBT6KAMYVAWN9VMTH0D","modified_at":"2026-10-15T09:47:34.854503038Z","published_at":"2025-02-27T03:15:16.960Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21763","https://security-tracker.debian.org/tracker/CVE-2025-21763"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21763#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21763"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in __neigh_notify() __neigh_notify() can be called without RTNL or RCU protection. Use RCU protection"}