{"action":"Upgrade linux to 6.12.17-1 or later.","affected":[{"fixed":"6.12.17-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.17-1"],"id":"tcs_01M5NN2GAFTNR3MBHXMJXM3169","modified_at":"2026-10-15T09:47:39.961308862Z","published_at":"2025-03-12T10:15:18.720Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21858","https://security-tracker.debian.org/tracker/CVE-2025-21858"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21858#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21858"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in geneve_find_dev(). syzkaller reported a use-after-free in geneve_find_dev() [0] without repro. geneve_"}