{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NN2SCSSF6KJC24SP6A6ZGN","modified_at":"2026-10-23T18:04:33.544178313Z","published_at":"2025-03-27T15:15:56.710Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21888","https://security-tracker.debian.org/tracker/CVE-2025-21888"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21888","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21888"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix a WARN during dereg_mr for DM type Memory regions (MR) of type DM (device memory) do not have an associated umem. In"}