CVE-2025-21888

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix a WARN during deregmr for DM type Memory regions MR of type DM device memory do not have an associated umem. In the mlx5ibderegmr - mlx5freeprivdescs flow, the code incorrectly takes the wrong branch, attempting to...

CVE-2025-21888

Technical details about CVE-2025-21888 are not provided in the supplied Connected documents. Public disclosures in these sources reference the CVE among broader Ubuntu kernel advisories, but do not expose affected products, impact, or fixes here. Monitor for updates.