{"action":"Upgrade linux to 6.12.43-1 or later.","affected":[{"fixed":"6.12.43-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.43-1"],"id":"tcs_01M5NNMA5152BQQTNWD1BEVJ0R","modified_at":"2026-10-23T18:04:11.806979806Z","published_at":"2025-09-04T16:15:36.557Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-38686","https://security-tracker.debian.org/tracker/CVE-2025-38686"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-38686","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-38686"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a crash in UFFDIO_MOVE when PMD is a migration entry When UFFDIO_MOVE encounters a migration PMD entry, it proceeds"}