{"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:13","exploited":false,"fixed_versions":["6.12.19-1"],"id":"tcs_01M5NN2RSHNAMH14R5D94JZHE7","modified_at":"2026-10-31T09:47:35.943941628Z","published_at":"2025-03-27T15:15:56.510Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21886","https://security-tracker.debian.org/tracker/CVE-2025-21886"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21886","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21886"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroy_unused_implicit_child_mr() to prevent hanging during paren"}