{"action":"Upgrade linux to 6.12.48-1 or later.","affected":[{"fixed":"6.12.48-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.48-1"],"id":"tcs_01M5NNQ57DVRTS3N1FGGK6XQCE","modified_at":"2026-10-23T18:05:18.586938531Z","published_at":"2025-10-01T08:15:32.620Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-39899","https://security-tracker.debian.org/tracker/CVE-2025-39899"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-39899","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-39899"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix kmap_local LIFO ordering for CONFIG_HIGHPTE With CONFIG_HIGHPTE on 32-bit ARM, move_pages_pte() maps PTE pages u"}