{"action":"Upgrade linux to 6.12.21-1 or later.","affected":[{"fixed":"6.12.21-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.21-1"],"id":"tcs_01M5NN44G2S870774N1XD0FDEV","modified_at":"2026-09-01T20:05:43.749780441Z","published_at":"2025-04-03T08:15:15.127Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21997","https://security-tracker.debian.org/tracker/CVE-2025-21997"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21997#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21997"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xp_create_and_assign_umem() Since the i and pool->chunk_size variables are of type 'u32', their prod"}