{"action":"Upgrade linux to 6.16.10-1 or later.","affected":[{"fixed":"6.16.10-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.16.10-1"],"id":"tcs_01M5NNR5309001YDFWAN0P65N1","modified_at":"2026-10-23T18:04:35.601853068Z","published_at":"2025-10-20T16:15:37.593Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-40009","https://security-tracker.debian.org/tracker/CVE-2025-40009"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-40009#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-40009"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: fs/proc/task_mmu: check p->vec_buf for NULL When the PAGEMAP_SCAN ioctl is invoked with vec_len = 0 reaches pagemap_scan_backout_ran"}