{"action":"Upgrade linux to 6.12.19-1 or later.","affected":[{"fixed":"6.12.19-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.12.19-1"],"id":"tcs_01M5NN3G8KZ1E3HER9SKKWKEP2","modified_at":"2026-10-16T09:47:23.952804713Z","published_at":"2025-04-01T16:15:24.773Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21939","https://security-tracker.debian.org/tracker/CVE-2025-21939"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21939#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21939"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: drm/xe/hmm: Don't dereference struct page pointers without notifier lock The pnfs that we obtain from hmm_range_fault() point to pag"}